{"id":4090,"date":"2026-09-14T06:17:53","date_gmt":"2026-09-13T22:17:53","guid":{"rendered":"https:\/\/dzxmetals.com\/product\/cobalt-chromium-tube\/"},"modified":"2026-09-14T06:17:53","modified_gmt":"2026-09-13T22:17:53","slug":"cobalt-chromium-tube","status":"publish","type":"product","link":"https:\/\/dzxmetals.com\/fr\/product\/cobalt-chromium-tube\/","title":{"rendered":"Tube en cobalt-chrome"},"content":{"rendered":"<style>\n.dzx-product-content{max-width:1280px;margin:0 auto;padding:0 20px;color:#263746;line-height:1.72;font-size:16px;box-sizing:border-box}\n.dzx-product-content *{box-sizing:border-box}\n.dzx-product-content h2,.dzx-product-content h3{color:#123e66;line-height:1.3;margin:1.8rem 0 .8rem;font-weight:700}\n.dzx-product-content h2{font-size:clamp(1.45rem,2.1vw,2rem);text-align:center}\n.dzx-product-content h3{font-size:1.18rem}\n.dzx-product-content p{margin:0 0 1rem;color:#445665}\n.dzx-product-content ul{padding-left:1.25rem;margin:.6rem 0 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a.button{display:inline-block;background:#1266b1;color:#fff!important;border:1px solid #1266b1;border-radius:6px;padding:.7rem 1.25rem;margin:.75rem .45rem .75rem 0;text-decoration:none;font-weight:700;line-height:1.2;transition:background .2s ease,box-shadow .2s ease}\n.dzx-product-content .btn:hover,.dzx-product-content a.btn:hover,.dzx-product-content a.button:hover{background:#0b4d89;color:#fff!important;box-shadow:0 7px 16px rgba(18,102,177,.22)}\n.dzx-product-content .callout{background:#F7FAFC;border-left:4px solid #1266b1;border-radius:8px;padding:1rem 1.2rem;margin:1.2rem 0}\n.dzx-product-content .callout p:last-child{margin-bottom:0}\n.dzx-product-content .qa{background:#fff;border:1px solid #e2ebf3;border-radius:8px;padding:1rem 1.15rem;margin:.75rem 0}\n.dzx-product-content .qa strong{display:block;color:#123e66;margin-bottom:.3rem}\n.dzx-product-content .qa p{margin:0}\n@media (max-width:900px){.dzx-product-content{padding:0 16px}.dzx-product-content .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dzx-product-content .protable{grid-template-columns:repeat(3,minmax(0,1fr))}}\n@media (max-width:560px){.dzx-product-content{padding:0 12px;font-size:15px}.dzx-product-content .spec-grid,.dzx-product-content .protable{grid-template-columns:1fr}.dzx-product-content h2{font-size:1.45rem}.dzx-product-content .lead{font-size:1rem}}\n<\/style>\n<div class=\"dzx-product-content\">\n<div class=\"tab-content pb-3\">\n<div class=\"row align-items-center pt-md-4\">\n<div class=\"col-md-6\">\n<div class=\"pl-md-4\" style=\"margin-top: -2.6rem;\">\n<p>Les tubes en cobalt-chrome sont des tubes m\u00e9talliques haute performance, fabriqu\u00e9s principalement \u00e0 partir d&#039;alliages de cobalt-chrome, souvent additionn\u00e9s de molybd\u00e8ne, de nickel et de tungst\u00e8ne pour am\u00e9liorer leur r\u00e9sistance \u00e0 la corrosion, leur solidit\u00e9 et leur duret\u00e9. Reconnus pour leur excellente r\u00e9sistance aux milieux acides et alcalins, ces tubes en alliage offrent \u00e9galement une r\u00e9sistance m\u00e9canique et \u00e0 l&#039;usure remarquable. Leurs propri\u00e9t\u00e9s exceptionnelles en font un mat\u00e9riau de choix pour les applications exigeantes dans les domaines des dispositifs m\u00e9dicaux, de l&#039;a\u00e9rospatiale, de la p\u00e9trochimie, de la production d&#039;\u00e9nergie et de l&#039;ing\u00e9nierie de pr\u00e9cision.<\/p>\n<p><strong>Niveaux disponibles<\/strong>: L605<br \/>\n                        <strong>diam\u00e8tre ext\u00e9rieur<\/strong>: 6 mm \u2013 150 mm, ou personnalisable<br \/>\n                        <strong>\u00c9paisseur de paroi<\/strong>: &gt; 5 mm, ou personnalisable<br \/>\n                        <strong>Longueur<\/strong>: 100 mm et plus (personnalisable)\n                      <\/p>\n<div class=\"clearfix\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"clearfix\"><\/div>\n<\/p><\/div>\n<div class=\"clearfix\"><\/div>\n<div class=\"row\">\n<div class=\"col-md-6\">\n<div class=\"protitle\">Propri\u00e9t\u00e9s physiques<\/div>\n<div class=\"table-responsive mb-4\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr>\n<td>Densit\u00e9<\/td>\n<td>8,3-8,9 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Point de fusion<\/td>\n<td>1310-1495 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Coefficient de dilatation thermique (CTE)<\/td>\n<td>12,5-14,2 \u00b5m\/m\u00b7\u00b0C (20-250 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Conductivit\u00e9 thermique<\/td>\n<td>14-69 W\/m\u00b7K<\/td>\n<\/tr>\n<tr>\n<td>Capacit\u00e9 thermique massique<\/td>\n<td>20 J\/kg\u00b7K<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<div class=\"col-md-6\">\n<div class=\"protitle\">Propri\u00e9t\u00e9s m\u00e9caniques<\/div>\n<div class=\"table-responsive mb-4\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr>\n<td>Duret\u00e9<\/td>\n<td>HRC 30-55<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction<\/td>\n<td>\u2265700 MPa (par exemple, L605 de qualit\u00e9 m\u00e9dicale \u00e0 l&#039;\u00e9tat recuit)<\/td>\n<\/tr>\n<tr>\n<td>Limite d&#039;\u00e9lasticit\u00e9<\/td>\n<td>\u2265550 MPa<\/td>\n<\/tr>\n<tr>\n<td>\u00c9longation<\/td>\n<td>\u22653,0% \u2013 15%<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"clearfix\"><\/div>\n<div class=\"protitle\">Caract\u00e9ristiques<\/div>\n<ul class=\"discitem1\">\n<li>R\u00e9sistance \u00e0 la traction \u00e9lev\u00e9e (\u2265700 MPa)<\/li>\n<li>Excellente usinabilit\u00e9 (allongement apr\u00e8s recuit \u2265 35%)<\/li>\n<li>R\u00e9sistance exceptionnelle \u00e0 la corrosion (taux de corrosion)\n                <\/li>\n<li>Bonne conductivit\u00e9 thermique et \u00e9lectrique (conductivit\u00e9 thermique : 12,3\u201323,9 W\/m\u00b7K ; conductivit\u00e9 \u00e9lectrique : ~20% IACS)<\/li>\n<li>R\u00e9sistance \u00e0 l&#039;usure exceptionnelle (duret\u00e9 : HRC 40\u201355 ; taux d&#039;usure seulement 1\/10 de celui de l&#039;acier inoxydable 304)<\/li>\n<li>Forte r\u00e9sistance au fluage (conserve une r\u00e9sistance \u00e9lev\u00e9e \u00e0 760 \u00b0C)<\/li>\n<\/ul>\n<div class=\"protitle\">Applications<\/div>\n<ul class=\"discitem1\">\n<li><strong>M\u00e9dical<\/strong>Utilis\u00e9s dans les stents coronaires (par exemple, les tubes en alliage L-605), ils assurent une r\u00e9sistance radiale et favorisent une endoth\u00e9lialisation rapide pour la r\u00e9paration vasculaire.<\/li>\n<li><strong>A\u00e9rospatial<\/strong>Utilis\u00e9 dans les tuy\u00e8res de moteurs de fus\u00e9e servant de composants d&#039;injecteur capables de r\u00e9sister \u00e0 l&#039;oxydation dans les environnements de flamme d&#039;oxyg\u00e8ne liquide\/k\u00e9ros\u00e8ne.<\/li>\n<li><strong>Instruments de pr\u00e9cision<\/strong>Utilis\u00e9s comme tubes de protection pour thermocouples, les tubes en alliage cobalt-chrome-tungst\u00e8ne r\u00e9sistent aux vibrations et \u00e0 l&#039;usure \u00e0 des temp\u00e9ratures allant jusqu&#039;\u00e0 1200 \u00b0C.<\/li>\n<\/ul>\n<\/div>","protected":false},"featured_media":2814,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"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":"default","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-4090","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/product\/4090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/product\/4090\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/media\/2814"}],"wp:attachment":[{"href":"https:\/\/dzxmetals.com\/fr\/wp-json\/wp\/v2\/media?parent=4090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}