{"id":1943,"date":"2026-03-11T14:21:24","date_gmt":"2026-03-11T14:21:24","guid":{"rendered":"https:\/\/beiyutitanium.com\/?p=1943"},"modified":"2026-05-30T14:47:39","modified_gmt":"2026-05-30T14:47:39","slug":"marine-engineering","status":"publish","type":"page","link":"https:\/\/beiyutitanium.com\/fr\/marine-engineering\/","title":{"rendered":"Mat\u00e9riaux en titane pour l'ing\u00e9nierie marine"},"content":{"rendered":"<h2>Mat\u00e9riaux en titane pour l'ing\u00e9nierie marine<\/h2>\n<p>L'ing\u00e9nierie marine expose les m\u00e9taux \u00e0 l'eau de mer riche en chlorures, aux zones d'embruns, au bioencrassement, aux poches d'eau stagnante et aux intervalles de maintenance longs. Le titane est s\u00e9lectionn\u00e9 lorsque la sur\u00e9paisseur de corrosion, la maintenance des rev\u00eatements ou la d\u00e9faillance pr\u00e9matur\u00e9e de l'acier inoxydable deviennent un probl\u00e8me de co\u00fbt ou de fiabilit\u00e9. Pour les acheteurs internationaux, le choix de la mati\u00e8re d\u00e9pend g\u00e9n\u00e9ralement de la temp\u00e9rature de l'eau de mer, des conditions d'\u00e9coulement, du risque de corrosion caverneuse, de la pression de conception, de la m\u00e9thode de fabrication et de l'exigence de contr\u00f4le.<\/p>\n<p>Beiyu fournit des produits d'usine en titane et des composants en titane pour les \u00e9quipements li\u00e9s au milieu marin, notamment des tubes, des plaques, des \u00e9l\u00e9ments de fixation, des brides, des vannes, des pi\u00e8ces de pompe, des plaques tubulaires et des pi\u00e8ces usin\u00e9es sur mesure. Les nuances les plus courantes pour les applications en eau de mer sont Grade 2 et Grade 7, tandis que Grade 12 peut \u00eatre s\u00e9lectionn\u00e9 pour certains environnements chlorur\u00e9s \u00e0 temp\u00e9rature plus \u00e9lev\u00e9e ou plus exigeants. La s\u00e9lection finale de la nuance devrait suivre la conception technique et l'\u00e9valuation de la corrosion de l'acheteur.<\/p>\n<h3>Applications marines typiques<\/h3>\n<p>Le titane est utilis\u00e9 dans les \u00e9changeurs de chaleur \u00e0 eau de mer, les condenseurs, les \u00e9quipements de dessalement, les tuyauteries offshore, les composants de pompes et de vannes, les \u00e9l\u00e9ments de fixation, les brides, les internes d'appareils \u00e0 pression, les capteurs marins et les assemblages sous-marins. Le tube en titane Grade 2 est courant dans les applications de condenseurs et d'\u00e9changeurs de chaleur car il offre une combinaison pratique de r\u00e9sistance \u00e0 la corrosion, de formabilit\u00e9 et de soudabilit\u00e9. Le titane Grade 7, avec ajout de palladium, est envisag\u00e9 lorsqu'une meilleure r\u00e9sistance \u00e0 la corrosion caverneuse est requise. Les \u00e9l\u00e9ments de fixation en titane peuvent r\u00e9duire les probl\u00e8mes de corrosion dans les assemblages o\u00f9 la compatibilit\u00e9 galvanique et l'exposition \u00e0 long terme sont pr\u00e9occupantes.<\/p>\n<h3>Formes de produits pertinentes<\/h3>\n<ul>\n<li><a href=\"\/fr\/product-category\/woo-products\/titanium\/titanium-tube-and-pipe\/\">Tube en titane<\/a> pour les \u00e9changeurs de chaleur \u00e0 eau de mer, les condenseurs et les lignes de proc\u00e9d\u00e9.<\/li>\n<li><a href=\"\/fr\/product-category\/woo-products\/titanium\/titanium-sheet-and-plate\/\">T\u00f4le et plaque en titane<\/a> pour les rev\u00eatements, couvercles, chicanes, pi\u00e8ces de r\u00e9servoir et \u00e9quipements fabriqu\u00e9s.<\/li>\n<li><a href=\"\/fr\/product-category\/metal-alloy\/accessories\/\">Brides, \u00e9l\u00e9ments de fixation et raccords de tube en titane<\/a> pour les assemblages de tuyauterie marine.<\/li>\n<li><a href=\"\/fr\/product-category\/metal-alloy\/pump-and-valve\/\">Produits de pompe et de vanne en titane<\/a> pour les applications en eau de mer corrosive et chimiques.<\/li>\n<li><a href=\"\/fr\/product-category\/metal-alloy\/precision-machined-parts\/\">Pi\u00e8ces usin\u00e9es de pr\u00e9cision<\/a> pour l'accastillage marin sur mesure et les composants d'\u00e9quipement.<\/li>\n<\/ul>\n<h3>Normes et notes techniques<\/h3>\n<p>Les demandes de prix marines font souvent r\u00e9f\u00e9rence \u00e0 ASTM B338 pour les tubes en titane, ASTM B861 ou ASTM B862 pour les tubes, ASTM B265 pour les t\u00f4les et plaques, ASTM B381 pour les pi\u00e8ces forg\u00e9es et ASTM B348 pour les barres. Les raccords de tube peuvent faire r\u00e9f\u00e9rence \u00e0 ASTM B363, tandis que les brides et composants forg\u00e9s peuvent n\u00e9cessiter des plans ou des sp\u00e9cifications de projet. Pour les tubes d'\u00e9changeur de chaleur, les acheteurs devraient d\u00e9finir le diam\u00e8tre ext\u00e9rieur, l'\u00e9paisseur de paroi, la longueur, la tol\u00e9rance, l'\u00e9tat de livraison, l'exigence d'essai par courants de Foucault ou hydraulique et la m\u00e9thode d'emballage.<\/p>\n<p>Les d\u00e9tails de conception sont importants dans les applications en eau de mer. Les interstices stagnantes, les d\u00e9p\u00f4ts, les espaces \u00e9troits et les assemblages de m\u00e9taux diff\u00e9rents peuvent modifier les performances de corrosion. Lorsque le titane est utilis\u00e9 avec d'autres m\u00e9taux, la conception devrait prendre en compte les effets galvaniques et l'isolation si n\u00e9cessaire. Les assemblages soud\u00e9s devraient d\u00e9finir la nuance du fil d'apport, le contr\u00f4le des soudures et les exigences de nettoyage. Pour les plaques tubulaires et les composants usin\u00e9s, les plans devraient pr\u00e9ciser la tol\u00e9rance des trous, la rugosit\u00e9 de surface, la plan\u00e9it\u00e9 et si un placage ou du titane massif est requis.<\/p>\n<h3>Approvisionnement et contr\u00f4le<\/h3>\n<p>Les projets marins n\u00e9cessitent souvent une tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, un certificat mati\u00e8re, un contr\u00f4le dimensionnel et des documents d'emballage. EN10204 3.1 peut \u00eatre discut\u00e9 si requis par la sp\u00e9cification d'achat. Les essais PMI, les essais par ultrasons, les essais de pression ou le contr\u00f4le par tierce partie devraient \u00eatre indiqu\u00e9s avant l'offre lorsqu'ils sont requis. Pour les tubes longs, la rectitude, la protection des extr\u00e9mit\u00e9s et l'emballage en faisceaux sont importants car la manutention \u00e0 l'exportation peut endommager les produits \u00e0 paroi mince si l'emballage n'est pas correctement planifi\u00e9.<\/p>\n<p>Le d\u00e9lai d\u00e9pend de la nuance, de la dimension, de la quantit\u00e9, de la forme du produit et du fait que l'article soit un produit standard d'usine, une mati\u00e8re coup\u00e9e \u00e0 dimension, une fabrication soud\u00e9e ou un composant usin\u00e9. Un tube standard Grade 2 peut \u00eatre plus simple \u00e0 chiffrer que des pi\u00e8ces sur mesure Grade 7 ou Grade 12. Les grandes brides, plaques tubulaires et pi\u00e8ces de pompe usin\u00e9es devraient \u00eatre chiffr\u00e9es \u00e0 partir de plans car la mati\u00e8re premi\u00e8re, la sur\u00e9paisseur d'usinage et l'\u00e9tendue du contr\u00f4le d\u00e9terminent le co\u00fbt.<\/p>\n<h3>Informations pour demande de prix<\/h3>\n<p>Pour les offres d'ing\u00e9nierie marine, envoyez l'application, la nuance, la norme, les dimensions, la quantit\u00e9, l'exigence de pression ou de temp\u00e9rature si pertinente, les fichiers de plan, l'\u00e9tat de surface, l'exigence de contr\u00f4le et les documents n\u00e9cessaires \u00e0 l'importation. Si l'application concerne l'eau de mer, indiquez s'il s'agit d'eau de mer en \u00e9coulement, d'eau de mer stagnante, de saumure, de zone d'embruns, d'exposition offshore ou d'application chimique mixte. Ces informations permettent de d\u00e9terminer si la demande de prix devrait \u00eatre trait\u00e9e comme une fourniture courante Grade 2 ou comme une exigence plus sp\u00e9cifique de titane r\u00e9sistant \u00e0 la corrosion.<\/p>\n<h3>D\u00e9tails de l'environnement de service<\/h3>\n<p>L'achat de titane pour applications marines devrait inclure davantage que le mot &#8220;eau de mer.&#8221; L'eau de mer en \u00e9coulement, l'eau de mer stagnante, la saumure chaude, l'exposition aux embruns offshore et l'eau de mer avec produits chimiques m\u00e9lang\u00e9s peuvent cr\u00e9er des risques diff\u00e9rents. L'acheteur devrait indiquer si la pi\u00e8ce est immerg\u00e9e en continu, mouill\u00e9e par intermittence, situ\u00e9e pr\u00e8s d'un assemblage avec joint d'\u00e9tanch\u00e9it\u00e9 ou expos\u00e9e \u00e0 des d\u00e9p\u00f4ts. Ces informations permettent de d\u00e9terminer si Grade 2 est suffisant ou si Grade 7, Grade 12 ou une approche de conception diff\u00e9rente devrait \u00eatre envisag\u00e9e par l'ing\u00e9nieur.<\/p>\n<p>Pour les \u00e9changeurs de chaleur et condenseurs marins, la qualit\u00e9 des tubes et l'emballage sont particuli\u00e8rement importants. Les tubes en titane \u00e0 paroi mince peuvent \u00eatre endommag\u00e9s par un mauvais regroupement en faisceaux ou un emballage d'exportation non soutenu. Les extr\u00e9mit\u00e9s des tubes devraient \u00eatre prot\u00e9g\u00e9es lorsque requis, et les faisceaux devraient \u00eatre clairement \u00e9tiquet\u00e9s par nuance, dimension, num\u00e9ro de coul\u00e9e et quantit\u00e9. Pour les brides, \u00e9l\u00e9ments de fixation, vannes et pi\u00e8ces de pompe, les plans ou normes devraient d\u00e9finir les dimensions de raccordement, la classe de pression, le type de filetage et les faces d'\u00e9tanch\u00e9it\u00e9. Les projets marins sont souvent motiv\u00e9s par la maintenance, de sorte qu'une identification et un emballage corrects peuvent \u00eatre aussi importants que la mati\u00e8re elle-m\u00eame.<\/p>\n<p>Pour les pi\u00e8ces marines de remplacement, incluez le mod\u00e8le d'\u00e9quipement existant, la mati\u00e8re d'origine si connue, les conditions d'eau en service et toute photo de d\u00e9faillance. Cela permet de distinguer un simple remplacement dimensionnel d'une am\u00e9lioration de mati\u00e8re motiv\u00e9e par la corrosion.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tube, plaque, \u00e9l\u00e9ments de fixation, vannes, pompes et pi\u00e8ces fabriqu\u00e9es en titane pour les environnements d'ing\u00e9nierie maritime, offshore et d'eau de mer.<\/p>","protected":false},"author":1,"featured_media":1945,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1943","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Titanium for Marine &amp; Offshore Engineering | Beiyu<\/title>\n<meta name=\"description\" content=\"Titanium for marine and offshore - corrosion-resistant grades for seawater piping, heat exchangers and components. 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