{"id":1141,"date":"2026-02-18T15:41:32","date_gmt":"2026-02-18T15:41:32","guid":{"rendered":"https:\/\/www.siekmann-rohrbogen.de\/coudes-de-tuyauterie-en-tube-sans-soudure\/"},"modified":"2026-02-18T15:41:37","modified_gmt":"2026-02-18T15:41:37","slug":"coudes-de-tuyauterie-en-tube-sans-soudure","status":"publish","type":"page","link":"https:\/\/www.siekmann-rohrbogen.de\/fr\/","title":{"rendered":"Coudes de tuyauterie en tube sans soudure"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull is-light has-parallax has-custom-content-position is-position-bottom-right\" style=\"min-height:860px;aspect-ratio:unset;\"><div role=\"img\" aria-label=\"Rohrbogen beim Hamburger Verfahren\" class=\"wp-block-cover__image-background wp-image-46 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160418-IMG_1204.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-black-background-color has-background-dim-20 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p><\/p>\n\n\n\n<p class=\"has-text-align-right has-large-font-size\">SIEKMANN Rohrbogen<br\/>special. elbow. production.  <\/p>\n<\/div><\/div>\n\n<h1 class=\"wp-block-heading\">Coudes de tuyauterie directement du fabricant \u2013 Siekmann<\/h1>\n\n<p>La soci\u00e9t\u00e9 Siekmann GmbH &amp; Co. KG est depuis des d\u00e9cennies votre partenaire fiable pour les coudes de tuyauterie en tube sans soudure \u2013 fabriqu\u00e9s en Allemagne.<br\/>Nous transformons l\u2019acier et l\u2019acier inoxydable et sommes sp\u00e9cialis\u00e9s dans la fabrication de coudes soud\u00e9s \u00e0 paroi \u00e9paisse ainsi que de coudes sp\u00e9ciaux. <\/p>\n\n<p>Notre comp\u00e9tence cl\u00e9 est la mise en forme de haute pr\u00e9cision, y compris pour de petites s\u00e9ries et des d\u00e9lais de livraison courts.<br\/>En tant que fabricant, nous maintenons un stock limit\u00e9 de pi\u00e8ces brutes, ce qui nous permet de fournir rapidement des positions unitaires. <\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h4 class=\"wp-block-heading\">Aper\u00e7u de notre gamme de produits :<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coudes sans soudure \u00e0 forte \u00e9paisseur de paroi<\/li>\n\n\n\n<li>Rayons sp\u00e9ciaux et coudes avec prolongement des extr\u00e9mit\u00e9s<br\/><\/li>\n\n\n\n<li>Acier, alliages fortement alli\u00e9s et acier inoxydable<br\/> <\/li>\n\n\n\n<li>Coudes \u00e0 45\u00b0, 90\u00b0 et 180\u00b0, avec possibilit\u00e9 de dimensions interm\u00e9diaires<br\/><\/li>\n\n\n\n<li>Coudes type B selon EN 10253-2, EN 10253-4 ou DIN 2605 partie 2, avec taux d\u2019utilisation maximal<br\/><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675-1024x683.jpg\" alt=\"Coudes de tuyauterie&lt;br&gt;\" class=\"wp-image-671\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675-1024x683.jpg 1024w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675-768x512.jpg 768w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675-1536x1024.jpg 1536w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/K1600_IMG_7675.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n<p>Nos coudes de tuyauterie sont utilis\u00e9s dans le monde entier dans les secteurs les plus divers \u2013 notamment dans les raffineries, les centrales \u00e9lectriques, les centrales \u00e0 gaz \u00e0 haut rendement, les plateformes de forage p\u00e9trolier, les \u00e9changeurs de chaleur, la construction m\u00e9canique ainsi que dans de nombreuses autres applications industrielles.<\/p>\n\n<div class=\"inherit-container-width wp-block-group alignfull has-pale-cyan-blue-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<p>Si vous souhaitez acheter des coudes de tuyauterie, n\u2019h\u00e9sitez pas \u00e0 nous contacter.<br\/>Nous nous tenons \u00e0 votre disposition pour toute information compl\u00e9mentaire.  <\/p>\n\n\n\n<div class=\"wp-block-buttons has-custom-font-size has-medium-font-size is-horizontal is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-67cdd4f0 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.siekmann-rohrbogen.de\/fr\/kontakt\/\" style=\"border-style:none;border-width:0px;border-radius:10px\">Sur notre page de contact<br\/><\/a><\/div>\n<\/div>\n\n\n\n<p> vous trouverez \u00e9galement un formulaire permettant de nous adresser directement une demande de coudes de tuyauterie.<br\/><\/p>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Gamme de coudes de tuyauterie selon EN 10253, DIN 2605 ou ASME B16.9 :<br\/><\/h2>\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Diam\u00e8tre ext\u00e9rieur :<br\/><\/td><td>13,9 mm \u2013 219,1 mm<\/td><\/tr><tr><td>\u00c9paisseur de paroi :<br\/><\/td><td>de 1 mm \u00e0 55 mm, en fonction du diam\u00e8tre ext\u00e9rieur<br\/><\/td><\/tr><tr><td>Angle :<\/td><td>15\u00b0, 30\u00b0, 45\u00b0, 90\u00b0, 180\u00b0 et angles interm\u00e9diaires, selon les dimensions<br\/><\/td><\/tr><tr><td>Type de construction :<br\/><\/td><td>Types de construction 2D, 3D, 5D, long radius (LR), short radius (SR) \u2013 d\u2019autres rayons de cintrage sont indiqu\u00e9s sous \u00ab rayons de cintrage \u00bb.<br\/><\/td><\/tr><tr><td>Normes :<br\/><\/td><td>EN 10253 type A et B, DIN 2605 parties 1 et 2, ASME B16.9, fabrication selon les sp\u00e9cifications du client<br\/><\/td><\/tr><tr><td>Tol\u00e9rances :<br\/><\/td><td>En r\u00e8gle g\u00e9n\u00e9rale, nous fabriquons conform\u00e9ment aux tol\u00e9rances usuelles des normes applicables aux coudes de tuyauterie.<br\/>Cependant, il est \u00e9galement fr\u00e9quent que nous produisions des coudes avec des tol\u00e9rances plus serr\u00e9es. \u00c0 titre d\u2019exemple, nous sommes en mesure de r\u00e9aliser des coudes avec un rayon de cintrage de \u00b1 1 mm.  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>Wir liefern nahtlose Rohrbogen hergestellt aus Kohlenstoffstahl, hoch legiertem Stahl oder auch Edelstahl. Zudem geben uns weitreichenden Erfahrungen in Bezug auf die W\u00e4rmebehandlung die M\u00f6glichkeit eine breite Palette an Materialien zu verformen. \u00dcbrigens finden Sie eine Auflistung der Werkstoffe im Bereich Werkstoffe.  <\/p>\n\n<p>Nous fournissons des coudes de tuyauterie sans soudure fabriqu\u00e9s en acier carbone, en acier fortement alli\u00e9 ainsi qu\u2019en acier inoxydable.<br\/>Par ailleurs, notre vaste exp\u00e9rience dans le domaine du traitement thermique nous permet de mettre en forme une large gamme de mat\u00e9riaux.<br\/>Une liste d\u00e9taill\u00e9e des mat\u00e9riaux est disponible dans la rubrique \u00ab Mat\u00e9riaux \u00bb.    <\/p>\n\n<div class=\"inherit-container-width wp-block-group alignfull has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<h2 class=\"wp-block-heading\" id=\"werkstoffe\">Mat\u00e9riaux pour coudes de tuyauterie<br\/><\/h2>\n\n\n\n<p>Au fil des ann\u00e9es, nous avons acquis une vaste exp\u00e9rience dans le domaine de la fabrication de coudes de tuyauterie.<br\/>Les aciers carbone, les aciers fortement alli\u00e9s ainsi que les aciers inoxydables font partie des mat\u00e9riaux que nous transformons.<br\/>Vous trouverez ci-dessous une liste des mat\u00e9riaux \u00e0 partir desquels nous pouvons fabriquer des coudes de tuyauterie :  <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">EN \/ DIN()<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P235GHTC1\/2 (St 35.8 I\/ III), P265GH, S355J2H<\/li>\n\n\n\n<li>16Mo3 (15Mo3), 10CrMo9-10 (10CrMo910), 13CrMo4-5 (13CrMo44)<\/li>\n\n\n\n<li>X11CrMo5, X11CrMo9-1, X20CrMOV11-1, X10CrMoVNb9-1, X10CrWMoVNb9-2, 7CrMoVTiB10-10<\/li>\n\n\n\n<li>P215NL (TTST35N\/V), 12Ni14 (10Ni14)<\/li>\n\n\n\n<li>P355N (StE355), P355NH (WStE355), P355NL1 (TStE355), P355NL2<\/li>\n\n\n\n<li>L290NB (StE 290.7), L360NB (StE 360.7), L415<\/li>\n\n\n\n<li>1.4301, 1.4306, 1.4361, 1.4362 (Lean Duplex), 1.4401, 1.4404, 1.4410, 1.4435, 1.4436, 1.4439, 1.4462 (Duplex), 1.4466 (Super Duplex), 1.4501, 1.4539, 1.4541, 1.4547, 1.4550, 1.4571 1.4841, 1.4749, 1.4828, 1.4878, , 1.4876, 1.4952, 1.4835, 1.4877, 1.4910, 1.4922<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">ASME<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WPA, WPB, WPC, WP1, WP5, WP9, WP11, WP12, WP22, WP32\/27, WP91, WP92, WP304, WP304 H, WP304L, WP310, WP316, WP316L, WP316TI, WP321, WP347, WP347H<\/li>\n\n\n\n<li> WPL 3, WPL6, X42, X52, WPHY52, WPHY60<\/li>\n\n\n\n<li>S30815, S31000, S31050, S31500, S31726, S31803, S32760, N08904<\/li>\n\n\n\n<li>Alloy 800H, DMV310N<\/li>\n<\/ul>\n<\/div><\/div>\n\n<figure class=\"wp-block-gallery alignfull has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"55\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082-1024x683.jpg\" alt=\"Coudes de tuyauterie avec chanfrein sp&#xE9;cial&lt;br&gt;\" class=\"wp-image-55\" title=\"Coudes de tuyauterie en acier &#x2013; fabrication de pr&#xE9;cision pour les installations de tuyauterie industrielles&lt;br&gt;\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082-1024x683.jpg 1024w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082-768x512.jpg 768w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082-1536x1024.jpg 1536w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20140508-IMG_0082.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"56\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582-1024x684.jpg\" alt=\"Coude de tuyauterie en acier &#xE0; paroi &#xE9;paisse en tant que raccord haute pression&lt;br&gt;\" class=\"wp-image-56\" title=\"Raccord haute pression&lt;br&gt;\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582-1024x684.jpg 1024w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582-768x513.jpg 768w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582-1536x1026.jpg 1536w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_00582.jpg 1797w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"57\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042-1024x684.jpg\" alt=\"Coudes de tuyauterie &#xE0; rayon de cintrage serr&#xE9;&lt;br&gt;\" class=\"wp-image-57\" title=\"Coudes de tuyauterie en acier &#x2013; ex&#xE9;cution robuste pour les installations de tuyauterie industrielles&lt;br&gt;\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042-1024x684.jpg 1024w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042-768x513.jpg 768w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042-1536x1026.jpg 1536w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_20160315-IMG_01042.jpg 1797w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n<div class=\"wp-block-cover alignfull has-parallax\" style=\"min-height:694px;aspect-ratio:unset;\"><div class=\"wp-block-cover__image-background wp-image-26 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_IMG_7675-1024x683.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-60 has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"background:linear-gradient(135deg,rgb(19,147,252) 0%,rgb(171,202,255) 100%)\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-d6f279e3d13f8407a37c29c838600f71\" id=\"normen\">Quelles normes s\u2019appliquent aux coudes de tuyauterie ?<br\/><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-2d8a2cfdf61ab6334bbe8d250f0db1a3\">EN 10253-2<\/h3>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-dcce7db1421f684de64f80220e5ed71c\">Il s\u2019agit de la norme actuelle relative aux raccords \u00e0 souder bout \u00e0 bout en aciers ferritiques non alli\u00e9s et alli\u00e9s, avec des exigences particuli\u00e8res en mati\u00e8re de contr\u00f4le et d\u2019essais.<br\/>Plusieurs normes DIN relatives \u00e0 diff\u00e9rents types de raccords ont \u00e9t\u00e9 regroup\u00e9es au sein de cette norme europ\u00e9enne.<br\/>Dans ce contexte, la partie relative aux coudes de tuyauterie est d\u00e9terminante pour nous. Nous livrons des coudes selon les ex\u00e9cutions 2D, 3D et 5D, ainsi que de nombreux rayons sp\u00e9ciaux interm\u00e9diaires.<br\/>La norme EN 10253-2 comprend en outre une section relative aux coudes \u00e0 utilisation compl\u00e8te de la section (type B). Les coudes de type B pr\u00e9sentent une \u00e9paisseur de paroi nettement renforc\u00e9e sur la face int\u00e9rieure du coude par rapport \u00e0 l\u2019\u00e9paisseur de paroi aux extr\u00e9mit\u00e9s \u00e0 souder, la face int\u00e9rieure \u00e9tant la zone la plus sollicit\u00e9e d\u2019un coude de tuyauterie.<br\/>La norme pr\u00e9voit \u00e9galement diverses options pouvant \u00eatre sp\u00e9cifi\u00e9es.       <\/p>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-85b5f903ac86a290ab0a5cbfdd6a82ae\">Par exemple : option 15 \u2013 chaque raccord doit \u00eatre soumis \u00e0 un essai de duret\u00e9.<br\/><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-5-color has-text-color has-link-color wp-elements-c441b891657e85cce1e8cd25012b98de\">EN 10253-4<\/h3>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-c140fe58c3ad52c87b2e801c95ed2ece\">Cette norme concerne les raccords \u00e0 souder bout \u00e0 bout en aciers aust\u00e9nitiques et aust\u00e9no-ferritiques (duplex), avec des exigences particuli\u00e8res en mati\u00e8re de contr\u00f4le et d\u2019essais.<br\/>Dans une large mesure, cette norme correspond \u00e0 l\u2019EN 10253-2. Toutefois, certaines diff\u00e9rences existent, notamment en ce qui concerne certains rayons de cintrage par rapport \u00e0 l\u2019EN 10253-2.<br\/>Notre \u00e9quipe se tient \u00e0 votre disposition pour vous informer en d\u00e9tail sur ces diff\u00e9rences.<br\/>Les options d\u00e9crites dans l\u2019EN 10253-2 sont \u00e9galement incluses dans l\u2019EN 10253-4. Celles-ci diff\u00e8rent toutefois de mani\u00e8re significative dans leur d\u00e9finition et leur application.   <\/p>\n\n\n\n<p class=\"has-ast-global-color-5-color has-text-color has-link-color wp-elements-578c8bf8c9166c2d616040e45194119b\">Option 15 : un certificat de r\u00e9ception 3.2 conforme \u00e0 l\u2019EN 10204 doit \u00eatre \u00e9tabli.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-b45230ed5fa0d2c3de0fe82d60829856\">DIN 2605<\/h3>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-063ca23cd12d228d5d928873abdc5fd8\">La norme DIN 2605 est l\u2019ancienne norme relative aux coudes de tuyauterie, qui a \u00e9t\u00e9 remplac\u00e9e par l\u2019EN 10253.<br\/>Pour les coudes \u00e0 utilisation compl\u00e8te de la section, cette norme pr\u00e9voit des \u00e9paisseurs de paroi diff\u00e9rentes par rapport aux normes plus r\u00e9centes.<br\/>Par ailleurs, la DIN 2605 est moins \u00e9tendue que l\u2019EN 10253 et ne traite que des coudes de tuyauterie, sans inclure d\u2019autres types de raccords.  <\/p>\n\n\n\n<h3 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-e4b93c84f8d3a753ff851b34b0ec7010\">ASME B16.9<\/h3>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-177d2793fdde55aa07922bf74dccd9f1\">La norme ASME B16.9 d\u00e9finit les exigences techniques applicables aux raccords en acier sans soudure et soud\u00e9s.<br\/>Elle inclut notamment les coudes de tuyauterie dans diff\u00e9rentes ex\u00e9cutions.<br\/>Les dimensions sont sp\u00e9cifi\u00e9es en pouces (diam\u00e8tre ext\u00e9rieur) ainsi qu\u2019en s\u00e9ries Schedule (\u00e9paisseurs de paroi).<br\/>Les coudes conformes \u00e0 cette norme sont utilis\u00e9s dans le monde entier dans la construction d\u2019installations, la tuyauterie industrielle et les projets industriels, et se distinguent par un haut niveau de compatibilit\u00e9 et de s\u00e9curit\u00e9 normative.   <\/p>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\">Qu\u2019est-ce qu\u2019un coude de tuyauterie ?<br\/><\/h2>\n\n<figure class=\"wp-block-image alignleft size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_Rohrbogen_01.jpg\" alt=\"Coude de tuyauterie &#xE0; 180&#xB0;\" class=\"wp-image-27\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_Rohrbogen_01.jpg 800w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_Rohrbogen_01-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_Rohrbogen_01-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n<p>Un coude de tuyauterie est un raccord de tuyauterie destin\u00e9 \u00e0 permettre des changements de direction dans les syst\u00e8mes de canalisations.<br\/>Il existe diff\u00e9rents types de coudes, qui peuvent varier en termes de diam\u00e8tre ext\u00e9rieur, d\u2019\u00e9paisseur de paroi, de rayon de cintrage, d\u2019angle et de mat\u00e9riau.<br\/>Ils sont g\u00e9n\u00e9ralement fabriqu\u00e9s soit \u00e0 partir de demi-coquilles soud\u00e9es, soit \u00e0 partir de tubes sans soudure.<br\/>Les coudes de tuyauterie sont utilis\u00e9s dans de nombreux domaines, tels que la construction de centrales \u00e9lectriques, la construction m\u00e9canique, la fabrication d\u2019\u00e9changeurs de chaleur, la construction d\u2019installations industrielles, entre autres.   <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"TypATypB\">Diff\u00e9rence entre le type A et le type B<\/h2>\n\n<h3 class=\"wp-block-heading\">Type A \u2013 utilisation r\u00e9duite de la section :<\/h3>\n\n<p>Les raccords pr\u00e9sentent la m\u00eame \u00e9paisseur de paroi aux extr\u00e9mit\u00e9s \u00e0 souder que sur le corps du coude.<br\/>La r\u00e9sistance du coude de tuyauterie \u00e0 la pression interne est inf\u00e9rieure \u00e0 celle d\u2019un tube ayant le m\u00eame diam\u00e8tre ext\u00e9rieur, la m\u00eame \u00e9paisseur de paroi et le m\u00eame mat\u00e9riau.<br\/>C\u2019est pour cette raison que l\u2019on parle de coudes \u00e0 utilisation r\u00e9duite de la section.<br\/>L\u2019\u00e9paisseur de paroi sur l\u2019ensemble du corps du raccord, y compris au niveau du raccordement au tube, doit respecter une \u00e9paisseur minimale correspondant \u00e0 une tol\u00e9rance de \u221212,5 % par rapport \u00e0 l\u2019\u00e9paisseur nominale.   <\/p>\n\n<h3 class=\"wp-block-heading\">Type B \u2013 utilisation compl\u00e8te de la section :<\/h3>\n\n<p>Les raccords pr\u00e9sentent une \u00e9paisseur de paroi accrue sur la face int\u00e9rieure du corps du coude.<br\/>La r\u00e9sistance \u00e0 la pression interne correspond \u00e0 celle d\u2019un tube ayant le m\u00eame diam\u00e8tre ext\u00e9rieur, la m\u00eame \u00e9paisseur de paroi et le m\u00eame mat\u00e9riau.<br\/>C\u2019est pour cette raison que l\u2019on parle de coudes \u00e0 utilisation compl\u00e8te de la section.<br\/>L\u2019\u00e9paisseur de paroi sur la face int\u00e9rieure du coude doit \u00eatre augment\u00e9e par rapport \u00e0 l\u2019\u00e9paisseur de paroi aux extr\u00e9mit\u00e9s de raccordement.<br\/>L\u2019\u00e9paisseur requise est d\u00e9termin\u00e9e \u00e0 l\u2019aide d\u2019une formule complexe tenant compte du diam\u00e8tre ext\u00e9rieur, de l\u2019\u00e9paisseur de paroi et, en particulier, du diam\u00e8tre de cintrage.<br\/>Il en r\u00e9sulte que les coudes pr\u00e9sentant des diam\u00e8tres de cintrage particuli\u00e8rement serr\u00e9s doivent respecter des \u00e9paisseurs de paroi nettement accrues sur la face int\u00e9rieure.     <\/p>\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rences entre les normes EN 10253-2 et EN 10253-4<br\/><\/h3>\n\n<p>Les normes EN 10253-2 et EN 10253-4 classifient les coudes de tuyauterie en deux types diff\u00e9rents, lesquels portent des d\u00e9signations distinctes dans les normes actuelles.<br\/>Dans l\u2019EN 10253-2, ils sont d\u00e9sign\u00e9s comme type A et type B, tandis que l\u2019EN 10253-4 utilise les appellations ex\u00e9cution A et ex\u00e9cution B. <\/p>\n\n<div class=\"wp-block-cover alignfull is-light\" style=\"min-height:576px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1831\" height=\"1104\" class=\"wp-block-cover__image-background wp-image-656\" alt=\"Rohrbogen Typ B\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1.jpg\" style=\"object-position:61% 21%\" data-object-fit=\"cover\" data-object-position=\"61% 21%\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1.jpg 1831w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1-300x181.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1-1024x617.jpg 1024w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1-768x463.jpg 768w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/09\/TYPA_B-1-1536x926.jpg 1536w\" sizes=\"auto, (max-width: 1831px) 100vw, 1831px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-ast-global-color-6-background-color has-background-dim-30 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-text-color\"><strong>Coude de tuyauterie 76,1 \u00d7 12,5 \u2013 diam\u00e8tre de cintrage 2D : 126<\/strong><\/p>\n\n\n\n<p class=\"has-ast-global-color-1-color has-text-color\"><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-text-color\"><strong>Type A \u2013 \u00e9paisseur de paroi int\u00e9rieure : 11,0 mm<br\/><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-ast-global-color-1-color has-text-color\"><strong>Type B \u2013 \u00e9paisseur de paroi int\u00e9rieure : 16,8 mm<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n<style>@media (max-width:480px){#cp_calculatedfieldsf_pform_1{min-height:10017px;}}@media (max-width:768px){#cp_calculatedfieldsf_pform_1{min-height:820px;}}@media (max-width:1024px){#cp_calculatedfieldsf_pform_1{min-height:962px;}}@media (min-width:1024px){#cp_calculatedfieldsf_pform_1{min-height:1121px;}}<\/style><form name=\"cp_calculatedfieldsf_pform_1\" id=\"cp_calculatedfieldsf_pform_1\" action=\"https:\/\/www.siekmann-rohrbogen.de\/fr\/\" method=\"post\" enctype=\"multipart\/form-data\" onsubmit=\"return fbuilderjQuery.fbuilder.doValidate(this);\" class=\"cff-form no-prefetch  cff-form-7 cp_cff_clean\"  data-nonce=\"eba7c96755\">\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_pform_psequence\" value=\"_1\" \/>\n<input type=\"hidden\" name=\"cp_calculatedfieldsf_id\" value=\"7\" \/>\n<input type=\"hidden\" name=\"cp_ref_page\" value=\"https:\/\/www.siekmann-rohrbogen.de\/fr\" \/>\n<pre style=\"display:none !important;\"><script data-category=\"functional\" type=\"text\/javascript\">form_structure_1=[[{\"form_identifier\":\"\",\"name\":\"fieldname3\",\"shortlabel\":\"DM\",\"index\":0,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Au\\u00dfendurchmesser in mm\",\"predefined\":\"219,1\",\"predefinedClick\":false,\"required\":true,\"exclude\":false,\"readonly\":false,\"numberpad\":false,\"size\":\"small\",\"thousandSeparator\":\".\",\"decimalSymbol\":\",\",\"min\":\"20\",\"max\":\"220\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\",\"percent\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname2\",\"shortlabel\":\"\",\"index\":1,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Wanddicke in mm\",\"predefined\":\"22,2\",\"predefinedClick\":false,\"required\":true,\"exclude\":false,\"readonly\":false,\"numberpad\":false,\"size\":\"small\",\"thousandSeparator\":\".\",\"decimalSymbol\":\",\",\"min\":\"1\",\"max\":\"50\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\",\"percent\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"fieldname6\",\"shortlabel\":\"Biegeradius\",\"index\":2,\"ftype\":\"fnumber\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Biegeradius in mm\",\"predefined\":\"203\",\"predefinedClick\":false,\"required\":true,\"exclude\":false,\"readonly\":false,\"numberpad\":false,\"size\":\"small\",\"thousandSeparator\":\".\",\"decimalSymbol\":\",\",\"min\":\"\",\"max\":\"\",\"formatDynamically\":false,\"dformat\":\"number\",\"formats\":[\"digits\",\"number\",\"percent\"],\"fBuild\":{},\"parent\":\"\"},{\"form_identifier\":\"\",\"name\":\"separator1\",\"shortlabel\":\"\",\"index\":3,\"ftype\":\"fSectionBreak\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Der Wert unten zeigt die geforderte Mindestwand f\\u00fcr Typ B Rohrbogen. Dieser ist rein indikativ und ersetzt keine Berechnung.\",\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname1\",\"shortlabel\":\"\",\"index\":4,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"D\\\/2*Tmin\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"small\",\"eq\":\"fieldname3\\\/(2*fieldname2*0.875)\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname7\",\"shortlabel\":\"\",\"index\":5,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"R\\\/Tmin^2\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"medium\",\"eq\":\"(fieldname6\\\/fieldname2\\\/0.875)*(fieldname6\\\/fieldname2\\\/0.875)\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname8\",\"shortlabel\":\"\",\"index\":6,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"r\\\/tmin\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"medium\",\"eq\":\"SQRT(0.5*(POW(fieldname1,2)+fieldname7)+ SQRT(0.25*POW(POW(fieldname1,2)+fieldname7,2)-fieldname1*(fieldname1-1)*fieldname7))\",\"suffix\":\"\",\"prefix\":\"\",\"decimalsymbol\":\".\",\"groupingsymbol\":\"\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"hidefield\":true,\"fBuild\":{},\"parent\":\"\"},{\"dependencies\":[{\"rule\":\"\",\"complex\":false,\"fields\":[\"\"]}],\"form_identifier\":\"\",\"name\":\"fieldname9\",\"shortlabel\":\"\",\"index\":7,\"ftype\":\"fCalculated\",\"userhelp\":\"\",\"userhelpTooltip\":false,\"tooltipIcon\":false,\"csslayout\":\"\",\"title\":\"Mindestwand an der \\u0022Typ B\\u0022 Rohrbogeninnenseite: tint,min\",\"predefined\":\"\",\"required\":false,\"exclude\":false,\"size\":\"small\",\"eq\":\"CEIL(PREC(0.875*fieldname2*(fieldname1+fieldname8-(fieldname1+fieldname8-1)*SQRT((POW(fieldname8,2)-POW(fieldname1,2))\\\/(POW(fieldname8,2)-fieldname1*(fieldname1-1)))),2 )*10)\\\/10\",\"suffix\":\"mm\",\"prefix\":\"\",\"decimalsymbol\":\",\",\"groupingsymbol\":\".\",\"readonly\":true,\"currency\":false,\"noEvalIfManual\":true,\"formatDynamically\":false,\"hidefield\":false,\"fBuild\":{},\"parent\":\"\"}],{\"0\":{\"title\":\"Typ B\",\"description\":\"Hier k\\u00f6nnen Sie die ben\\u00f6tigte Mindeswanddicke f\\u00fcr einen Typ B Rohrbogen berechnen. Geben Sie daf\\u00fcr in die unteren Felder Nennwand, Biegeradius und Au\\u00dfendurchmesser an. Die Mindestwand tint,min wird dann berechnet. Die Werte sind rein informativ.\",\"formlayout\":\"top_aligned\",\"formtemplate\":\"cp_cff_clean\",\"evalequations\":1,\"evalequationsevent\":2,\"loading_animation\":1,\"autocomplete\":1,\"persistence\":0,\"customstyles\":\"\"},\"formid\":\"cp_calculatedfieldsf_pform_1\"}];<\/script><\/pre>\n<div id=\"fbuilder\">\n\t<div class=\"cff-processing-form\"><\/div>\t<div id=\"fbuilder_1\">\n\t\t<div id=\"formheader_1\"><\/div>\n\t\t<div id=\"fieldlist_1\"><\/div>\n\t\t<div class=\"clearer\"><\/div>\n\t<\/div>\n<\/div>\n\t<div id=\"cp_subbtn_1\" class=\"cp_subbtn\" style=\"display:none;\"><\/div><div class=\"clearer\"><\/div>\n\t<input type=\"hidden\" id=\"_cpcff_public_nonce\" name=\"_cpcff_public_nonce\" value=\"9027cebc73\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/fr\/wp-json\/wp\/v2\/pages\/1141\/\" \/><\/form>\n\t\n\n<h3 class=\"wp-block-heading\">Partie 1 ou partie 2 de la DIN 2605<\/h3>\n\n<p>Dans la norme DIN 2605, on distingue un taux d\u2019utilisation r\u00e9duit et un taux d\u2019utilisation complet.<br\/>Dans le cas du taux d\u2019utilisation complet, c\u2019est-\u00e0-dire pour les coudes de la partie 2, l\u2019\u00e9paisseur de paroi est nettement plus \u00e9lev\u00e9e dans la zone de courbure int\u00e9rieure.<br\/>Contrairement \u00e0 l\u2019EN 10253, la DIN 2605 ne pr\u00e9voit pas de formule de calcul, mais indique les \u00e9paisseurs de paroi correspondantes sous forme de tableaux.   <\/p>\n\n<p>Les coudes de la partie 1 ne pr\u00e9sentent aucun renforcement au niveau du rayon int\u00e9rieur.<br\/>Les m\u00eames tol\u00e9rances d\u2019\u00e9paisseur de paroi s\u2019appliquent sur l\u2019ensemble du coude de tuyauterie.  <\/p>\n\n<figure class=\"wp-block-gallery alignfull has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" data-id=\"721\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_07.jpg\" alt=\"\" class=\"wp-image-721\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_07.jpg 800w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_07-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_07-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" data-id=\"728\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_05.jpg\" alt=\"Chanfrein orbital&lt;br&gt;\" class=\"wp-image-728\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_05.jpg 800w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_05-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_05-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" data-id=\"717\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_01.jpg\" alt=\"\" class=\"wp-image-717\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_01.jpg 800w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_01-300x200.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/10\/Rohrbogen_01-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n<figure class=\"wp-block-image alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"150\" src=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/06\/biegedurchmesser.jpg\" alt=\"Coudes de tuyauterie &#x2013; diff&#xE9;rentes ex&#xE9;cutions&lt;br&gt;\" class=\"wp-image-430\" srcset=\"https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/06\/biegedurchmesser.jpg 1000w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/06\/biegedurchmesser-300x45.jpg 300w, https:\/\/www.siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/06\/biegedurchmesser-768x115.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"bauarten\">Diff\u00e9rences entre les ex\u00e9cutions des coudes de tuyauterie<br\/><\/h2>\n\n<p>Les coudes de tuyauterie peuvent diff\u00e9rer par leur diam\u00e8tre ext\u00e9rieur, leur \u00e9paisseur de paroi et leur diam\u00e8tre de cintrage.<br\/>Les diff\u00e9rentes normes d\u00e9finissent des ex\u00e9cutions standardis\u00e9es pour les diam\u00e8tres de cintrage, afin d\u2019harmoniser les conceptions et de faciliter le travail de planification des concepteurs.<br\/>Dans les normes EN et DIN, les ex\u00e9cutions standard sont 2D, 3D, 5D et 10D.<br\/>La norme am\u00e9ricaine ASME B16.9 utilise les d\u00e9signations Long Radius et Short Radius, lesquelles sont comparables aux diam\u00e8tres de cintrage d\u00e9finis par les normes EN et DIN.<br\/>Le Long Radius correspond approximativement \u00e0 une ex\u00e9cution 3D, tandis que le Short Radius est comparable \u00e0 une ex\u00e9cution 2D.      <\/p>\n\n<p>N\u00e9anmoins, les normes diff\u00e8rent sur certains points.<br\/>Ainsi, par exemple, un coude de tuyauterie de diam\u00e8tre ext\u00e9rieur 101,6 mm en ex\u00e9cution 2D selon l\u2019EN 10253-2:2008 pr\u00e9sente un diam\u00e8tre de cintrage de 190,0 mm.<br\/>Le coude de m\u00eames dimensions en ex\u00e9cution Short Radius selon l\u2019ASME B16.9 ne pr\u00e9sente en revanche qu\u2019un diam\u00e8tre de cintrage de 177,8 mm.<br\/>Pour ce m\u00eame coude en ex\u00e9cution 5D, l\u2019EN 10253-2:2008 sp\u00e9cifie un diam\u00e8tre de cintrage de 415,0 mm, tandis que l\u2019EN 10253-4 (pour les aciers aust\u00e9nitiques) indique un diam\u00e8tre de 410 mm.<br\/>Il convient donc d\u2019\u00eatre particuli\u00e8rement attentif afin d\u2019\u00e9viter toute confusion.  <\/p>\n\n<p>Dans de nombreux cas, des coudes de tuyauterie avec des tol\u00e9rances plus serr\u00e9es sur le diam\u00e8tre de cintrage sont requis.<br\/>Dans ce contexte, la soci\u00e9t\u00e9 SIEKMANN est le partenaire appropri\u00e9.<br\/>Nos proc\u00e9d\u00e9s de fabrication permettent d\u2019atteindre des tol\u00e9rances nettement plus pr\u00e9cises que celles d\u00e9finies par les normes.<br\/>Ainsi, selon l\u2019EN 10253-2, la tol\u00e9rance admissible sur le diam\u00e8tre de cintrage est de \u00b1 7 mm.<br\/>Nous sommes en mesure de fournir des coudes de tuyauterie avec une tol\u00e9rance de \u00b1 1 mm sur le rayon de cintrage.<br\/> <br\/>    <\/p>\n\n<h3 class=\"wp-block-heading\">Tableau des diff\u00e9rences entre les ex\u00e9cutions 2D, 3D et 5D<br\/><\/h3>\n\n<p>Le tableau suivant pr\u00e9sente une comparaison des ex\u00e9cutions (rayons de cintrage) selon les diff\u00e9rentes normes.<br\/>Les informations sont fournies sans garantie. <\/p>\n\n<p>Attention : depuis 2021, une nouvelle \u00e9dition de la norme pour les aciers ferritiques est en vigueur, \u00e0 savoir l\u2019EN 10253-2:2021.<br\/>Cette \u00e9dition contient, pour certaines dimensions, des rayons de cintrage diff\u00e9rents.<br\/>Le tableau ci-dessous pr\u00e9sente actuellement uniquement les diff\u00e9rences entre la DIN 2605, l\u2019EN 10253:2008 et l\u2019ASME.<br\/>Pour l\u2019EN 10253-4, l\u2019\u00e9dition 2008 \u00e9tait jusqu\u2019\u00e0 pr\u00e9sent en vigueur. Celle-ci a toutefois \u00e9t\u00e9 remplac\u00e9e par la norme DIN EN 10253-4:2025-10.<br\/>Dans ce cas \u00e9galement, des modifications des rayons de cintrage par rapport \u00e0 la norme pr\u00e9c\u00e9dente ont \u00e9t\u00e9 introduites.    <\/p>\n\n<table id=\"tablepress-3\" class=\"tablepress tablepress-id-3\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Au\u00dfen-<br \/>\n\u00f8<\/th><th class=\"column-2\">EN10253-2<br \/>\n2021:11<br \/>\nBA 2D<\/th><th class=\"column-3\">EN10253-2<br \/>\n2008:09<br \/>\nBA 2D<\/th><th class=\"column-4\">EN10253-4<br \/>\n2008:06<br \/>\nBA 2D<\/th><th class=\"column-5\">EN10253-2<br \/>\n2021:11<br \/>\nBA 3D<\/th><th class=\"column-6\">EN10253-2<br \/>\n2008:09<br \/>\nBA 3D<\/th><th class=\"column-7\">EN10253-4<br \/>\n2008:06<br \/>\nBA 3D<\/th><th class=\"column-8\">EN10253-2<br \/>\n2021:11<br \/>\nBA 5D<\/th><th class=\"column-9\">EN10253-2<br \/>\n2008:09<br \/>\nBA 5D<\/th><th class=\"column-10\">EN10253-4<br \/>\n2008:06<br \/>\nBA 5D<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">17,2<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">20,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">21,3<\/td><td class=\"column-2\">17,5<\/td><td class=\"column-3\">25,0<\/td><td class=\"column-4\">25,0<\/td><td class=\"column-5\">28,0<\/td><td class=\"column-6\">38,0<\/td><td class=\"column-7\">28,0<\/td><td class=\"column-8\">42,5<\/td><td class=\"column-9\">42,5<\/td><td class=\"column-10\">45,0<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">25,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">27,5<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">26,9<\/td><td class=\"column-2\">25,0<\/td><td class=\"column-3\">25,0<\/td><td class=\"column-4\">25,0<\/td><td class=\"column-5\">29,0<\/td><td class=\"column-6\">38,0<\/td><td class=\"column-7\">29,0<\/td><td class=\"column-8\">57,5<\/td><td class=\"column-9\">57,5<\/td><td class=\"column-10\">57,0<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">30,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">31,8<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">35,0<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">33,7<\/td><td class=\"column-2\">25,0<\/td><td class=\"column-3\">25,0<\/td><td class=\"column-4\">28,0<\/td><td class=\"column-5\">38,0<\/td><td class=\"column-6\">38,0<\/td><td class=\"column-7\">38,0<\/td><td class=\"column-8\">72,5<\/td><td class=\"column-9\">72,5<\/td><td class=\"column-10\">72,0<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">35,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">38,0<\/td><td class=\"column-2\">32,5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">45,0<\/td><td class=\"column-6\">45,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">82,5<\/td><td class=\"column-9\">82,5<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">42,4<\/td><td class=\"column-2\">32,0<\/td><td class=\"column-3\">32,0<\/td><td class=\"column-4\">32,0<\/td><td class=\"column-5\">48,0<\/td><td class=\"column-6\">48,0<\/td><td class=\"column-7\">48,0<\/td><td class=\"column-8\">92,5<\/td><td class=\"column-9\">92,5<\/td><td class=\"column-10\">93,0<\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">44,5<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">48,3<\/td><td class=\"column-2\">38,0<\/td><td class=\"column-3\">38,0<\/td><td class=\"column-4\">38,0<\/td><td class=\"column-5\">57,0<\/td><td class=\"column-6\">57,0<\/td><td class=\"column-7\">57,0<\/td><td class=\"column-8\">107,5<\/td><td class=\"column-9\">109,5<\/td><td class=\"column-10\">108,0<\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">51,0<\/td><td class=\"column-2\">45,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">63,0<\/td><td class=\"column-6\">63,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">115,0<\/td><td class=\"column-9\">122,5<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-16\">\n\t<td class=\"column-1\">54,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-17\">\n\t<td class=\"column-1\">57,0<\/td><td class=\"column-2\">52,5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">72,0<\/td><td class=\"column-6\">72,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">127,5<\/td><td class=\"column-9\">130,0<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-18\">\n\t<td class=\"column-1\">60,3<\/td><td class=\"column-2\">51,0<\/td><td class=\"column-3\">51,0<\/td><td class=\"column-4\">51,0<\/td><td class=\"column-5\">76,0<\/td><td class=\"column-6\">76,0<\/td><td class=\"column-7\">76,0<\/td><td class=\"column-8\">135,0<\/td><td class=\"column-9\">137,5<\/td><td class=\"column-10\">135,0<\/td>\n<\/tr>\n<tr class=\"row-19\">\n\t<td class=\"column-1\">63,5<\/td><td class=\"column-2\">57,5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">82,5<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">142,5<\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-20\">\n\t<td class=\"column-1\">70,0<\/td><td class=\"column-2\">65,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">92,0<\/td><td class=\"column-6\">92,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">160,0<\/td><td class=\"column-9\">160,0<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-21\">\n\t<td class=\"column-1\">76,1<\/td><td class=\"column-2\">63,0<\/td><td class=\"column-3\">63,0<\/td><td class=\"column-4\">63,0<\/td><td class=\"column-5\">95,0<\/td><td class=\"column-6\">95,0<\/td><td class=\"column-7\">95,0<\/td><td class=\"column-8\">175,0<\/td><td class=\"column-9\">175,0<\/td><td class=\"column-10\">175,0<\/td>\n<\/tr>\n<tr class=\"row-22\">\n\t<td class=\"column-1\">82,5<\/td><td class=\"column-2\">77,5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">107,5<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\">190,0<\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-23\">\n\t<td class=\"column-1\">88,9<\/td><td class=\"column-2\">76,0<\/td><td class=\"column-3\">76,0<\/td><td class=\"column-4\">76,0<\/td><td class=\"column-5\">114,0<\/td><td class=\"column-6\">114,0<\/td><td class=\"column-7\">114,0<\/td><td class=\"column-8\">205,0<\/td><td class=\"column-9\">207,5<\/td><td class=\"column-10\">205,0<\/td>\n<\/tr>\n<tr class=\"row-24\">\n\t<td class=\"column-1\">95,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-25\">\n\t<td class=\"column-1\">101,6<\/td><td class=\"column-2\">95,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">133,0<\/td><td class=\"column-6\">133,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">237,5<\/td><td class=\"column-9\">235,0<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-26\">\n\t<td class=\"column-1\">108,0<\/td><td class=\"column-2\">100,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">142,5<\/td><td class=\"column-6\">142,5<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">253,0<\/td><td class=\"column-9\">253,0<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-27\">\n\t<td class=\"column-1\">114,3<\/td><td class=\"column-2\">102,0<\/td><td class=\"column-3\">102,0<\/td><td class=\"column-4\">102,0<\/td><td class=\"column-5\">152,0<\/td><td class=\"column-6\">152,0<\/td><td class=\"column-7\">152,0<\/td><td class=\"column-8\">270,0<\/td><td class=\"column-9\">270,0<\/td><td class=\"column-10\">270,0<\/td>\n<\/tr>\n<tr class=\"row-28\">\n\t<td class=\"column-1\">121,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-29\">\n\t<td class=\"column-1\">127,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">175,0<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-30\">\n\t<td class=\"column-1\">133,0<\/td><td class=\"column-2\">125,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">181,0<\/td><td class=\"column-6\">181,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">312,5<\/td><td class=\"column-9\">311,5<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-31\">\n\t<td class=\"column-1\">139,7<\/td><td class=\"column-2\">127,0<\/td><td class=\"column-3\">127,0<\/td><td class=\"column-4\">127,0<\/td><td class=\"column-5\">190,0<\/td><td class=\"column-6\">190,0<\/td><td class=\"column-7\">190,0<\/td><td class=\"column-8\">330,0<\/td><td class=\"column-9\">330,0<\/td><td class=\"column-10\">330,0<\/td>\n<\/tr>\n<tr class=\"row-32\">\n\t<td class=\"column-1\">146,0<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">-<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-33\">\n\t<td class=\"column-1\">152,4<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">215,0<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-34\">\n\t<td class=\"column-1\">159,0<\/td><td class=\"column-2\">150,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">216,0<\/td><td class=\"column-6\">216,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\">375,0<\/td><td class=\"column-9\">375,0<\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-35\">\n\t<td class=\"column-1\">165,1<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\"><\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-36\">\n\t<td class=\"column-1\">168,3<\/td><td class=\"column-2\">152,0<\/td><td class=\"column-3\">152,0<\/td><td class=\"column-4\">152,0<\/td><td class=\"column-5\">229,0<\/td><td class=\"column-6\">229,0<\/td><td class=\"column-7\">229,0<\/td><td class=\"column-8\">390,0<\/td><td class=\"column-9\">390,0<\/td><td class=\"column-10\">390,0<\/td>\n<\/tr>\n<tr class=\"row-37\">\n\t<td class=\"column-1\">177,8<\/td><td class=\"column-2\"><\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">250,0<\/td><td class=\"column-6\"><\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-38\">\n\t<td class=\"column-1\">193,7<\/td><td class=\"column-2\">180,0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td><td class=\"column-5\">270,0<\/td><td class=\"column-6\">270,0<\/td><td class=\"column-7\"><\/td><td class=\"column-8\"><\/td><td class=\"column-9\"><\/td><td class=\"column-10\"><\/td>\n<\/tr>\n<tr class=\"row-39\">\n\t<td class=\"column-1\">219,1<\/td><td class=\"column-2\">203,0<\/td><td class=\"column-3\">203,0<\/td><td class=\"column-4\">203,0<\/td><td class=\"column-5\">305,0<\/td><td class=\"column-6\">305,0<\/td><td class=\"column-7\">305,0<\/td><td class=\"column-8\">510,0<\/td><td class=\"column-9\">515,0<\/td><td class=\"column-10\">510,0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<h2 class=\"wp-block-heading\" id=\"biegeradius\">Quels diam\u00e8tres de cintrage propose Siekmann ?<br\/><\/h2>\n\n<p>Nous fabriquons \u00e9galement des coudes de tuyauterie avec des dimensions en dehors des rayons standard 2D, 3D et 5D.<br\/>Gr\u00e2ce \u00e0 notre parc d\u2019outillages \u00e9tendu et bien structur\u00e9, nous sommes en mesure de proposer de nombreuses dimensions sp\u00e9ciales jusqu\u2019\u00e0 un diam\u00e8tre ext\u00e9rieur de 219 mm. <\/p>\n\n<p>Le tableau suivant r\u00e9pertorie l\u2019ensemble des rayons de cintrage avec lesquels nous avons d\u00e9j\u00e0 fabriqu\u00e9 des coudes de tuyauterie.<\/p>\n\n<p>N\u2019h\u00e9sitez pas \u00e0 nous consulter pour d\u2019autres rayons de cintrage.<\/p>\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Diam\u00e8tre ext\u00e9rieur<\/td><td>Rayon de cintrage R =<\/td><\/tr><tr><td>10<\/td><td>20<\/td><\/tr><tr><td>14<\/td><td>20<\/td><\/tr><tr><td>16<\/td><td>16<\/td><\/tr><tr><td>18<\/td><td>21<\/td><\/tr><tr><td>20<\/td><td>16 &#8211; 25 &#8211; 26,5<\/td><\/tr><tr><td>21,3<\/td><td>17,5 &#8211; 19,5 &#8211; 25 &#8211; 27,5 &#8211; 28 &#8211; 38 &#8211; 42,5 &#8211; 43,5 &#8211; 150<\/td><\/tr><tr><td>22<\/td><td>38 &#8211; 45 &#8211; 110<\/td><\/tr><tr><td>25<\/td><td>21 &#8211; 25 &#8211; 27,5 &#8211; 30 &#8211; 34 &#8211; 44 &#8211; 45 &#8211; 53 &#8211; 60 &#8211; 90<\/td><\/tr><tr><td>26,9<\/td><td>24 &#8211; 25 &#8211; 25,5 &#8211; 28,75 &#8211; 29 &#8211; 30 &#8211; 32 &#8211; 34 &#8211; 38 &#8211; 39 &#8211; 40 &#8211; 42,5 &#8211; 47,5 &#8211; 50 &#8211; 52,5 &#8211; 57,5 &#8211; 58,5 &#8211; 67,5 &#8211; 70 &#8211; 85 &#8211; 100 &#8211; 190<\/td><\/tr><tr><td>28<\/td><td>28,5 &#8211; 32,5 &#8211; 33,5 &#8211; 35 &#8211; 42 &#8211; 48<\/td><\/tr><tr><td>30<\/td><td>25 &#8211; 29 &#8211; 33,5 &#8211; 34 &#8211; 35 &#8211; 37,5 &#8211; 45 &#8211; 50 &#8211; 55 &#8211; 62,5 &#8211; 68<\/td><\/tr><tr><td>31,8<\/td><td>24 &#8211; 25 &#8211; 27,5 &#8211; 30 &#8211; 32,5 &#8211; 35 &#8211; 35,5 &#8211; 36,5 &#8211; 38 &#8211; 39 &#8211; 40 &#8211; 45 &#8211; 50 &#8211; 55 &#8211; 60 &#8211; 63,5 &#8211; 67,5 &#8211; 80 &#8211; 100 &#8211; 105 &#8211; 112,5<\/td><\/tr><tr><td>32<\/td><td>25 -28 &#8211; 32,5<\/td><\/tr><tr><td>33,7<\/td><td>22,5 &#8211; 25 &#8211; 26,5 &#8211; 28 &#8211; 30 &#8211; 31,5 &#8211; 35 &#8211; 37,5 &#8211; 38 &#8211; 39,5 &#8211; 40 &#8211; 45 &#8211; 50 &#8211; 60 &#8211; 72,5 &#8211; 125 &#8211; 135 &#8211; 240<\/td><\/tr><tr><td>35<\/td><td>25,5 &#8211; 38 &#8211; 45 &#8211; 45 &#8211; 46,5 &#8211; 60 &#8211; 75 &#8211; 100<\/td><\/tr><tr><td>38<\/td><td>25 &#8211; 27 &#8211; 27,5 &#8211; 29,5 &#8211; 30 &#8211; 32 &#8211; 32,5 &#8211; 35 &#8211; 37,5 &#8211; 37,75 &#8211; 38 &#8211; 38,5 &#8211; 39,5 &#8211; 40 &#8211; 40,5 &#8211; 42,5 &#8211; 45 &#8211; 45,5 &#8211; 46,5 &#8211; 47,5 &#8211; 48 &#8211; 50 &#8211; 51,3 &#8211; 55 &#8211; 57 &#8211; 57,5 &#8211; 59 &#8211; 60 &#8211; 65 &#8211; 66,5 &#8211; 70 &#8211; 75 &#8211; 80 &#8211; 82,5 &#8211; 83 &#8211; 85 &#8211; 93 &#8211; 99 &#8211; 113 &#8211; 145 &#8211; 190<\/td><\/tr><tr><td>40<\/td><td>47,5 &#8211; 51,5 &#8211; 55 &#8211; 185<\/td><\/tr><tr><td>42,4<\/td><td>30 &#8211; 31 &#8211; 32 &#8211; 37,5 &#8211; 38,5 &#8211; 42,5 &#8211; 45 &#8211; 46 &#8211; 48 &#8211; 49 &#8211; 50 &#8211; 57 &#8211; 63 &#8211; 65 &#8211; 70 &#8211; 72,5 &#8211; 75 &#8211; 80 &#8211; 92,5 &#8211; 93,5 &#8211; 185<\/td><\/tr><tr><td>44,5<\/td><td>34 &#8211; 35 &#8211; 40 &#8211; 42,25 &#8211; 45 &#8211; 50 &#8211; 51 &#8211; 52,5 &#8211; 53,5 &#8211; 55 &#8211; 55,5 &#8211; 57,5 &#8211; 70 &#8211; 70,5 &#8211; 80 &#8211; 97,5 &#8211; 99,5 &#8211; 136<\/td><\/tr><tr><td>48,3<\/td><td>38 &#8211; 39 &#8211; 40 &#8211; 42,5 &#8211; 45,5 &#8211; 48 &#8211; 50 &#8211; 51 &#8211; 57 &#8211; 60 &#8211; 75 &#8211; 76,2 &#8211; 80 &#8211; 85 &#8211; 100 &#8211; 107,5 &#8211; 109,5 &#8211; 112,5 &#8211; 115 &#8211; 135 &#8211; 249<\/td><\/tr><tr><td>51<\/td><td>32,5 &#8211; 38 &#8211; 45 &#8211; 46,5 &#8211; 47,5 &#8211; 51 &#8211; 52,5 &#8211; 55 &#8211; 57 &#8211; 61 &#8211; 63,5 &#8211; 65 &#8211; 67,5 &#8211; 69,85 &#8211; 76,2 &#8211; 80 &#8211; 92,5 &#8211; 115 &#8211; 122,5<\/td><\/tr><tr><td>54<\/td><td>50 &#8211; 54 &#8211; 72,5 &#8211; 97,5<\/td><\/tr><tr><td>57<\/td><td>42,5 &#8211; 52,5 &#8211; 53,5 &#8211; 57,5 &#8211; 66 &#8211; 72 &#8211; 75 &#8211; 77,5 &#8211; 84 &#8211; 85 &#8211; 90 &#8211; 92,5 &#8211; 102,5 &#8211; 104 &#8211; 112,5 &#8211; 127,5<\/td><\/tr><tr><td>60,3<\/td><td>38,1 &#8211; 40 &#8211; 48,75 &#8211; 51 &#8211; 55 &#8211; 57,15 &#8211; 60 &#8211; 66 &#8211; 75 &#8211; 76 &#8211; 77,5 &#8211; 78,5 &#8211; 84 &#8211; 90 &#8211; 95 &#8211; 100 &#8211; 101,5 &#8211; 107,5 &#8211; 109 &#8211; 117 &#8211; 122 &#8211; 135 &#8211; 140 &#8211; 240 &#8211; 250 &#8211; 350 &#8211; 400<\/td><\/tr><tr><td>63,5<\/td><td>41,25 &#8211; 46,5 &#8211; 55 &#8211; 57,5 &#8211; 59 &#8211; 64 &#8211; 77,5 &#8211; 82,5 &#8211; 115 &#8211; 142,5 &#8211; 210<\/td><\/tr><tr><td>70<\/td><td>50 &#8211; 55 &#8211; 62,5 &#8211; 65 &#8211; 75 &#8211; 80,5 &#8211; 92 &#8211; 94 &#8211; 95 &#8211; 127,5 &#8211; 161,5 &#8211; 165<\/td><\/tr><tr><td>73<\/td><td>63,5 &#8211; 77,5<\/td><\/tr><tr><td>75<\/td><td>95<\/td><\/tr><tr><td>76,1<\/td><td>63 &#8211; 70 &#8211; 77 &#8211; 87,5 &#8211; 88 &#8211; 95 &#8211; 97 &#8211; 95 &#8211; 105 &#8211; 137 &#8211; 140 &#8211; 140,5 &#8211; 150 &#8211; 175<\/td><\/tr><tr><td>80<\/td><td>78,5 &#8211; 109 &#8211; 160<\/td><\/tr><tr><td>82,5<\/td><td>63,5 &#8211; 77,5 &#8211; 79 &#8211; 80 &#8211; 107,5 &#8211; 114,5 &#8211; 175 &#8211; 190<\/td><\/tr><tr><td>85<\/td><td>116,5<\/td><\/tr><tr><td>88,9<\/td><td>57,5 &#8211; 58 &#8211; 76 &#8211; 78 &#8211; 80 &#8211; 82,5 &#8211; 87,5 &#8211; 114 &#8211; 162,5 &#8211; 165 &#8211; 185 &#8211; 205<\/td><\/tr><tr><td>100<\/td><td>133<\/td><\/tr><tr><td>101,6<\/td><td>76 &#8211; 89 &#8211; 95 &#8211; 97 &#8211; 133,5 &#8211; 150 &#8211; 180 &#8211; 190 &#8211; 237,5<\/td><\/tr><tr><td>102<\/td><td>126 &#8211; 250<\/td><\/tr><tr><td>106<\/td><td>144,5<\/td><\/tr><tr><td>108<\/td><td>100 &#8211; 101,5 &#8211; 142,5 &#8211; 200 &#8211; 250 &#8211; 252,5<\/td><\/tr><tr><td>114,3<\/td><td>102 &#8211; 105 &#8211; 116 &#8211; 135 &#8211; 152 &#8211; 220 &#8211; 270<\/td><\/tr><tr><td>121<\/td><td>112,5 &#8211; 120 &#8211; 152 &#8211; 170 &#8211; 175 &#8211; 282<\/td><\/tr><tr><td>127<\/td><td>107,5 &#8211; 117,5 &#8211; 138,5 &#8211; 175 &#8211; 235 &#8211; 300<\/td><\/tr><tr><td>133<\/td><td>125 &#8211; 181 &#8211; 250 &#8211; 312,5<\/td><\/tr><tr><td>139,7<\/td><td>127 &#8211; 132,5* &#8211; 190 &#8211; 250* &#8211; 270* &#8211; 330*<\/td><\/tr><tr><td>152<\/td><td>142,5* &#8211; 215*<\/td><\/tr><tr><td>159<\/td><td>150* &#8211; 216*<\/td><\/tr><tr><td>168,3<\/td><td>152* &#8211; 229* &#8211; 390*<\/td><\/tr><tr><td>177,8<\/td><td>250*<\/td><\/tr><tr><td>193,7<\/td><td>270*<\/td><\/tr><tr><td>219,1<\/td><td>203* &#8211; 305*<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>* uniquement r\u00e9alisable en 90\u00b0<\/p>\n\n<div class=\"wp-block-cover alignfull is-light has-parallax has-custom-content-position is-position-bottom-left\" style=\"min-height:395px;aspect-ratio:unset;\" id=\"siekmann\"><div role=\"img\" aria-label=\"Historie von Siekmann\" class=\"wp-block-cover__image-background wp-image-101 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/K1600_IMG_7680-1024x416.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-20 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-large-font-size\"><\/p>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading alignwide\">SIEKMANN GMBH &amp; CO. KG<\/h2>\n\n<p>Fabricant de coudes de tuyauterie sp\u00e9ciaux<\/p>\n\n<p>Depuis plusieurs d\u00e9cennies, nous sommes sp\u00e9cialis\u00e9s dans la fabrication de coudes de tuyauterie sp\u00e9ciaux \u00e0 partir de tubes sans soudure.<br\/>Des proc\u00e9d\u00e9s de production r\u00e9cemment d\u00e9velopp\u00e9s, des collaborateurs exp\u00e9riment\u00e9s ainsi qu\u2019un contr\u00f4le permanent \u00e0 toutes les \u00e9tapes de la fabrication garantissent un niveau de qualit\u00e9 \u00e9lev\u00e9. <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Dimensions sp\u00e9ciales<br\/><\/li>\n\n\n\n<li>Fabrication de coudes de tuyauterie \u00e0 paroi \u00e9paisse<\/li>\n\n\n\n<li>Fabrication \u00e9galement de petites s\u00e9ries<\/li>\n\n\n\n<li>Large choix de mat\u00e9riaux transformables \u2013 acier carbone \/ acier inoxydable<\/li>\n\n\n\n<li>D\u00e9lais de livraison tr\u00e8s courts<\/li>\n\n\n\n<li>Fabrication de coudes de tuyauterie avec des tol\u00e9rances serr\u00e9es<\/li>\n\n\n\n<li>Plage dimensionnelle \u00e9galement en dehors des dimensions standard<\/li>\n<\/ul>\n\n<p>Nous nous sommes donn\u00e9 pour mission de livrer des coudes de tuyauterie rapidement, de mani\u00e8re fiable et avec un niveau de qualit\u00e9 \u00e9lev\u00e9.<br\/>Un large choix d\u2019outillages nous permet de fabriquer, dans une plage dimensionnelle comprise entre 13,7 mm et 219,1 mm, quasiment tous les types de coudes de tuyauterie, en particulier dans le domaine des parois \u00e9paisses. <\/p>\n\n<p>Nous vous invitons \u00e0 faire connaissance avec notre entreprise sur les pages suivantes et \u00e0 nous contacter.<br\/>Nous vous remercions de l\u2019int\u00e9r\u00eat que vous nous portez. <\/p>\n\n<p>Si vous avez une demande ou souhaitez nous contacter, veuillez utiliser le formulaire ci-dessous.<br\/>Vous pouvez \u00e9galement nous contacter directement. Les interlocuteurs comp\u00e9tents sont indiqu\u00e9s dans la rubrique <a href=\"https:\/\/www.siekmann-rohrbogen.de\/fr\/kontakt\/\">\u00ab Contact \u00bb<\/a>.  <\/p>\n\n<div class=\"wp-block-cover alignfull is-light has-parallax\" style=\"min-height:655px;aspect-ratio:unset;\"><div class=\"wp-block-cover__image-background wp-image-107 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/siekmann-rohrbogen.de\/wp-content\/uploads\/2021\/05\/unbenannt-8.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<h2 class=\"wp-block-heading has-ast-global-color-5-color has-text-color has-link-color wp-elements-26f9e760a8b781f45c2b6d1c0d407d2a\">Historique<br\/><\/h2>\n\n\n\n<p class=\"has-ast-global-color-5-color has-text-color has-link-color wp-elements-9c18bf1fa7565a61042fcf4fd4c73431\">L\u2019entreprise Siekmann a \u00e9t\u00e9 fond\u00e9e en 1907 en tant que forge de village.<br\/>\u00c0 ses d\u00e9buts, des pi\u00e8ces forg\u00e9es destin\u00e9es \u00e0 l\u2019agriculture locale \u00e9taient fabriqu\u00e9es.<br\/>\u00c0 partir de 1928, les premiers produits pour le secteur du chauffage ont \u00e9t\u00e9 r\u00e9alis\u00e9s.<br\/>Les premiers coudes de tuyauterie ont \u00e9t\u00e9 fabriqu\u00e9s avec succ\u00e8s en 1940.<br\/>En 1957, un nouveau site de production a \u00e9t\u00e9 cr\u00e9\u00e9 \u00e0 Lohne.<br\/>\u00c0 partir de 1970, les premiers essais de fabrication de coudes \u00e0 paroi \u00e9paisse ont \u00e9t\u00e9 men\u00e9s.<br\/>En 1987, l\u2019entreprise Siekmann a \u00e9t\u00e9 recr\u00e9\u00e9e sur le site de B\u00fcnde.<br\/>\u00c0 partir de 1992, la production a \u00e9t\u00e9 r\u00e9orient\u00e9e vers les coudes de tuyauterie sp\u00e9ciaux \u00e0 fortes \u00e9paisseurs de paroi.<br\/>\u00c0 cette fin, de nouveaux proc\u00e9d\u00e9s de fabrication ont \u00e9t\u00e9 d\u00e9velopp\u00e9s, lesquels constituent une base essentielle du succ\u00e8s actuel de l\u2019entreprise.<br\/>Au cours des ann\u00e9es suivantes, de nouveaux terrains ont \u00e9t\u00e9 acquis et un nouveau hall de production a \u00e9t\u00e9 construit.          <\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n<h2 class=\"wp-block-heading\" id=\"referenzen\">R\u00e9f\u00e9rences<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Total S.A.<\/li>\n\n\n\n<li>Siemens<\/li>\n\n\n\n<li>Hitachi Power<\/li>\n\n\n\n<li>Alstom Power<\/li>\n\n\n\n<li>Exxon Mobil Production<\/li>\n\n\n\n<li>Buhlmann Rohr-Fittings- Stahlhandel<\/li>\n\n\n\n<li>STAROFIT Klose GmbH &amp; Co. KG<\/li>\n\n\n\n<li>ThyssenKrupp Schulte GmbH<\/li>\n\n\n\n<li>RFF Rohr Flansch Fittings Handels GmbH<\/li>\n\n\n\n<li>Oschatz GmbH<\/li>\n\n\n\n<li>BHR Engineering &amp; Construction<\/li>\n\n\n\n<li>Piping- Service Steuer Handelsges. mbH <\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Coudes de tuyauterie directement du fabricant \u2013 Siekmann La soci\u00e9t\u00e9 Siekmann GmbH &amp; Co. KG est depuis des d\u00e9cennies votre partenaire fiable pour les coudes de tuyauterie en tube sans soudure \u2013 fabriqu\u00e9s en Allemagne.Nous transformons l\u2019acier et l\u2019acier inoxydable et sommes sp\u00e9cialis\u00e9s dans la fabrication de coudes soud\u00e9s \u00e0 paroi \u00e9paisse ainsi que de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"plain-container","ast-site-content-layout":"normal-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"disabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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