{"id":2637,"date":"2024-11-29T03:23:56","date_gmt":"2024-11-29T03:23:56","guid":{"rendered":"https:\/\/keweicorten.com\/?p=2637"},"modified":"2024-11-29T03:23:59","modified_gmt":"2024-11-29T03:23:59","slug":"quelle-est-la-difference-entre-le-corten-a-et-le-corten-b","status":"publish","type":"post","link":"https:\/\/keweicorten.com\/fr\/quelle-est-la-difference-entre-le-corten-a-et-le-corten-b\/","title":{"rendered":"Quelle est la diff\u00e9rence entre le corten A et le corten B ?"},"content":{"rendered":"<h3 class=\"wp-block-heading\">1. <strong>Composition chimique<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Corten A <\/strong>A une teneur en phosphore plus \u00e9lev\u00e9e que le Corten B, ce qui am\u00e9liore sa r\u00e9sistance \u00e0 la corrosion, en particulier dans des conditions atmosph\u00e9riques.<ul class=\"wp-block-list\"><li><strong>Composition typique<\/strong>:<ul class=\"wp-block-list\"><li>Carbone (C) : \u22640,12%<\/li>\n\n<li>Phosphore (P) : 0,07-0,15%<\/li>\n\n<li>Soufre (S) : \u22640.030%<\/li>\n\n<li>Silicium (Si) : 0,25-0,75%<\/li>\n\n<li>Mangan\u00e8se (Mn) : 0,20-0,50%<\/li>\n\n<li>Cuivre (Cu) : 0,25-0,55%<\/li>\n\n<li>Chrome (Cr) : 0,30-1,25%<\/li>\n\n<li>Nickel (Ni) : \u22640.65%<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>Le Corten B a une teneur en phosphore plus faible, ce qui le rend plus adapt\u00e9 aux applications soumises \u00e0 des contraintes m\u00e9caniques plus \u00e9lev\u00e9es.<\/strong>.<ul class=\"wp-block-list\"><li><strong>Composition typique<\/strong>:<ul class=\"wp-block-list\"><li>Carbone (C) : \u22640,16%<\/li>\n\n<li>Phosphore (P) : \u22640,035%<\/li>\n\n<li>Soufre (S) : \u22640.030%<\/li>\n\n<li>Silicium (Si) : 0,30-0,50%<\/li>\n\n<li>Mangan\u00e8se (Mn) : 0,80-1,25%<\/li>\n\n<li>Cuivre (Cu) : 0,20-0,40%<\/li>\n\n<li>Chrome (Cr) : 0,40-0,65%<\/li>\n\n<li>Nickel (Ni) : \u22640.40%<\/li><\/ul><\/li><\/ul><\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">2. <strong>Propri\u00e9t\u00e9s m\u00e9caniques<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Corten A<\/strong>: R\u00e9sistance \u00e0 la traction plus faible et ductilit\u00e9 plus \u00e9lev\u00e9e, ce qui le rend id\u00e9al pour les applications architecturales et d\u00e9coratives.<ul class=\"wp-block-list\"><li>Limite d'\u00e9lasticit\u00e9 : 275 MPa<\/li>\n\n<li>R\u00e9sistance \u00e0 la traction : 410-530 MPa<\/li>\n\n<li>Allongement : 20% (min)<\/li><\/ul><\/li>\n\n<li><strong>Corten B<\/strong>: R\u00e9sistance \u00e0 la traction et durabilit\u00e9 plus \u00e9lev\u00e9es, ce qui le rend adapt\u00e9 aux applications structurelles.<ul class=\"wp-block-list\"><li>Limite d'\u00e9lasticit\u00e9 : 345 MPa<\/li>\n\n<li>R\u00e9sistance \u00e0 la traction : 485-610 MPa<\/li>\n\n<li>\u00c9longation : 19% (min)<\/li><\/ul><\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">3. <strong>R\u00e9sistance \u00e0 la corrosion<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Corten A<\/strong>: Ce mat\u00e9riau pr\u00e9sente une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion atmosph\u00e9rique. La teneur plus \u00e9lev\u00e9e en phosphore le rend id\u00e9al pour les projets ext\u00e9rieurs expos\u00e9s \u00e0 l'air.<\/li>\n\n<li><strong>Corten B<\/strong>: L\u00e9g\u00e8rement moins r\u00e9sistant \u00e0 la corrosion atmosph\u00e9rique, mais plus performant dans des conditions d'eau ou de charges lourdes.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">4. Corten A <strong>Applications<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Corten A<\/strong>:<ul class=\"wp-block-list\"><li>Projets architecturaux<\/li>\n\n<li>Fa\u00e7ades d\u00e9coratives et sculptures<\/li>\n\n<li>Structures \u00e0 parois minces<\/li><\/ul><\/li>\n\n<li><strong>Corten B<\/strong>:<ul class=\"wp-block-list\"><li>Ponts<\/li>\n\n<li>Structures robustes<\/li>\n\n<li>B\u00e2timents industriels et r\u00e9servoirs de stockage<\/li><\/ul><\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">Principaux enseignements :<\/h3><ul class=\"wp-block-list\"><li><strong>Corten A<\/strong> est meilleur pour <strong>utilisations d\u00e9coratives et l\u00e9g\u00e8res<\/strong>, hi\u00e9rarchisation des priorit\u00e9s <strong>r\u00e9sistance \u00e0 la corrosion<\/strong>.<\/li>\n\n<li><strong>Corten B<\/strong> est pr\u00e9f\u00e9r\u00e9e pour <strong>les structures porteuses<\/strong> exigeant <strong>r\u00e9sistance m\u00e9canique<\/strong>.<\/li><\/ul><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Corten A<\/strong><\/th><th><strong>Corten B<\/strong><\/th><\/tr><\/thead><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Teneur en phosphore<\/strong><\/td><td>\u00c9lev\u00e9 (0,07-0,15%), am\u00e9liore la r\u00e9sistance \u00e0 la corrosion atmosph\u00e9rique<\/td><td>Faible (\u22640.035%), convient aux applications \u00e0 forte contrainte m\u00e9canique<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Teneur en carbone<\/strong><\/td><td>\u22640.12%<\/td><td>\u22640.16%<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>R\u00e9sistance \u00e0 la corrosion<\/strong><\/td><td>Sup\u00e9rieure aux conditions atmosph\u00e9riques<\/td><td>Meilleur dans les environnements avec humidit\u00e9 ou charges lourdes<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>R\u00e9sistance m\u00e9canique<\/strong><\/td><td>R\u00e9sistance \u00e0 la traction et limite d'\u00e9lasticit\u00e9 plus faible, ductilit\u00e9 plus \u00e9lev\u00e9e<\/td><td>R\u00e9sistance \u00e0 la traction et limite d'\u00e9lasticit\u00e9 plus \u00e9lev\u00e9e, moins ductile<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Limite d'\u00e9lasticit\u00e9<\/strong><\/td><td>\u2265275 MPa<\/td><td>\u2265345 MPa<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>R\u00e9sistance \u00e0 la traction<\/strong><\/td><td>410-530 MPa<\/td><td>485-610 MPa<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Applications<\/strong><\/td><td>Fa\u00e7ades architecturales, sculptures, structures l\u00e9g\u00e8res<\/td><td>Ponts, b\u00e2timents industriels, structures lourdes<\/td><\/tr><\/tbody><\/table><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Composition typique<\/strong><\/td><td>Plus riche en phosphore et en cuivre<\/td><td>Plus riche en mangan\u00e8se et en chrome<\/td><\/tr><\/tbody><\/table><\/figure><p><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Chemical Composition 2. Mechanical Properties 3. Corrosion Resistance 4. Corten A Applications Key Takeaway: Feature Corten A Corten B Phosphorus Content High (0.07-0.15%), enhances atmospheric corrosion resistance Low (\u22640.035%), suitable for higher mechanical stress applications Carbon Content \u22640.12% \u22640.16% Corrosion Resistance Superior in atmospheric conditions Better in environments with moisture or heavy loads Mechanical [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2642,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[30],"tags":[40,42,41],"class_list":["post-2637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corten-steel-product-knowledge","tag-corten-a","tag-corten-b","tag-corten-steel-sheet"],"_links":{"self":[{"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/posts\/2637"}],"collection":[{"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/comments?post=2637"}],"version-history":[{"count":1,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/posts\/2637\/revisions"}],"predecessor-version":[{"id":2643,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/posts\/2637\/revisions\/2643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/media\/2642"}],"wp:attachment":[{"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/media?parent=2637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/categories?post=2637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/keweicorten.com\/fr\/wp-json\/wp\/v2\/tags?post=2637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}