{"id":116501,"date":"2022-05-19T13:10:13","date_gmt":"2022-05-19T12:10:13","guid":{"rendered":"https:\/\/material-properties.org\/quelle-est-la-composition-de-lacier-faiblement-allie-acier-chromoly-definition\/"},"modified":"2022-05-20T11:52:22","modified_gmt":"2022-05-20T10:52:22","slug":"quelle-est-la-composition-de-lacier-faiblement-allie-acier-chromoly-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelle-est-la-composition-de-lacier-faiblement-allie-acier-chromoly-definition\/","title":{"rendered":"Quelle est la composition de l&rsquo;acier faiblement alli\u00e9 &#8211; Acier chromoly &#8211; D\u00e9finition"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\">Les aciers faiblement alli\u00e9s constituent une cat\u00e9gorie de mat\u00e9riaux ferreux qui pr\u00e9sentent des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures aux aciers au carbone ordinaires r\u00e9sultant d&rsquo;ajouts d&rsquo;\u00e9l\u00e9ments d&rsquo;alliage tels que le nickel, le chrome et le molybd\u00e8ne, le mangan\u00e8se et le silicium.\u00a0Composition de l&rsquo;acier faiblement alli\u00e9<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/chromoly-4150-alloy-steel.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29184\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/chromoly-4150-alloy-steel-300x254.png\" alt=\"Acier chromoly\" width=\"300\" height=\"254\" \/><\/a><span>Les aciers faiblement alli\u00e9s<\/span><\/strong><span>\u00a0constituent une cat\u00e9gorie de mat\u00e9riaux ferreux qui pr\u00e9sentent des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures aux aciers au carbone ordinaires r\u00e9sultant d&rsquo;\u00a0<\/span><strong><span>ajouts d&rsquo;\u00a0<\/span><\/strong><strong><span>\u00e9l\u00e9ments d&rsquo;alliage<\/span><\/strong><span>\u00a0tels\u00a0que le nickel, le chrome et le molybd\u00e8ne, le mangan\u00e8se et le silicium.\u00a0Le r\u00f4le des \u00e9l\u00e9ments d&rsquo;alliage est d&rsquo;augmenter la trempabilit\u00e9 afin d&rsquo;optimiser les propri\u00e9t\u00e9s m\u00e9caniques et la t\u00e9nacit\u00e9 apr\u00e8s traitement thermique.\u00a0Dans certains cas, cependant, des ajouts d&rsquo;alliage sont utilis\u00e9s pour r\u00e9duire la d\u00e9gradation de l&rsquo;environnement dans certaines conditions de service sp\u00e9cifi\u00e9es.\u00a0Les aciers faiblement alli\u00e9s peuvent \u00eatre class\u00e9s en quatre grands groupes:<\/span><\/p>\n<ul>\n<li><span>aciers tremp\u00e9s et revenus (QT) \u00e0 faible teneur en carbone<\/span><\/li>\n<li><span>aciers \u00e0 ultra-haute r\u00e9sistance \u00e0 moyenne teneur en carbone<\/span><\/li>\n<li><span>aciers \u00e0 roulement<\/span><\/li>\n<li><span>aciers au chrome-molybd\u00e8ne r\u00e9fractaires<\/span><\/li>\n<\/ul>\n<h2><span>Acier 41xx &#8211; Acier Chromoly &#8211; Aciers \u00e0 tr\u00e8s haute r\u00e9sistance \u00e0 moyenne teneur en carbone<\/span><\/h2>\n<p><strong><span>L&rsquo;acier chromoly<\/span><\/strong><span>\u00a0est un acier faiblement alli\u00e9 \u00e0 tr\u00e8s haute r\u00e9sistance et \u00e0 teneur moyenne en carbone qui tire son nom d&rsquo;une combinaison des mots \u00abchrome\u00bb et \u00abmolybd\u00e8ne\u00bb &#8211; deux des principaux \u00e9l\u00e9ments d&rsquo;alliage.\u00a0L&rsquo;acier chromoly est souvent utilis\u00e9 lorsqu&rsquo;une plus grande\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><span>r\u00e9sistance<\/span><\/a><span>\u00a0est requise que celle de l&rsquo;acier au carbone doux, bien que son co\u00fbt soit souvent plus \u00e9lev\u00e9.\u00a0Le chromoly rel\u00e8ve des d\u00e9signations\u00a0<\/span><strong><span>d&rsquo;acier AISI 41xx<\/span><\/strong><span>\u00a0(ASTM A519).\u00a0Les exemples d&rsquo;applications pour 4130, 4140 et 4145 incluent les tubes structuraux, les cadres de v\u00e9lo, les vilebrequins, les maillons de cha\u00eene, les colliers de forage, les bouteilles de gaz pour le transport de gaz sous pression, les pi\u00e8ces d&rsquo;armes \u00e0 feu, les composants d&#8217;embrayage et de volant d&rsquo;inertie et les cages de s\u00e9curit\u00e9.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/low-alloy-steel-4150-composition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-29155\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/low-alloy-steel-4150-composition.png\" alt=\"Acier chromoly\" width=\"651\" height=\"81\" \/><\/a><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>R\u00e9f\u00e9rences :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Science des mat\u00e9riaux:<\/div><\/div><\/div><\/span><\/p>\n<p><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, science des mat\u00e9riaux.\u00a0DOE Fundamentals Handbook, Volume 1 and 2. Janvier 1993.<\/span><br \/>\n<span>US Department of Energy, Material Science.\u00a0DOE Fundamentals Handbook, Volume 2 et 2. Janvier 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Science et g\u00e9nie des mat\u00e9riaux : une introduction 9e \u00e9dition, Wiley ;\u00a09 \u00e9dition (4 d\u00e9cembre 2013), ISBN-13\u00a0: 978-1118324578.<\/span><br \/>\n<span>En ligneEberhart, Mark (2003).\u00a0Pourquoi les choses se cassent\u00a0: Comprendre le monde par la mani\u00e8re dont il se d\u00e9compose.\u00a0Harmonie.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introduction \u00e0 la thermodynamique des mat\u00e9riaux (4e \u00e9d.).\u00a0\u00c9ditions Taylor et Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Une introduction \u00e0 la science des mat\u00e9riaux.\u00a0Presse universitaire de Princeton.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Mat\u00e9riaux: ing\u00e9nierie, science, traitement et conception (1\u00e8re \u00e9d.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Voir ci-dessus:<\/span><br \/>\n<span>Acier faiblement alli\u00e9<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloy-steel\/low-alloy-steel\/\" class=\"su-button su-button-style- plat\" style=\"color:#606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><img src=\"icon : lien\" alt=\"\" style=\"width:24px;height:24px\" \/> <\/span><\/a>[\/su_button ]<\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Nous esp\u00e9rons que cet article,\u00a0<\/span><strong><span>Composition de l&rsquo;acier faiblement alli\u00e9 &#8211; acier chromoly<\/span><\/strong><span>, vous aidera.\u00a0Si oui,\u00a0<\/span><strong><span>donnez-nous un like<\/span><\/strong><span>\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article,\u00a0Composition de l&rsquo;acier faiblement alli\u00e9 &#8211; acier chromoly, vous aidera.\u00a0Si oui,\u00a0donnez-nous un like\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quelle est la composition de l&#039;acier faiblement alli\u00e9 - Acier chromoly - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"Les aciers faiblement alli\u00e9s constituent une cat\u00e9gorie de mat\u00e9riaux ferreux qui pr\u00e9sentent des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures aux aciers au carbone ordinaires r\u00e9sultant d&#039;ajouts d&#039;\u00e9l\u00e9ments d&#039;alliage tels que le nickel, le chrome et le molybd\u00e8ne, le mangan\u00e8se et le silicium. 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