{"id":116262,"date":"2022-05-11T12:33:20","date_gmt":"2022-05-11T11:33:20","guid":{"rendered":"https:\/\/material-properties.org\/quelle-est-la-resistance-de-lacier-a-outils-definition\/"},"modified":"2022-05-18T07:49:26","modified_gmt":"2022-05-18T06:49:26","slug":"quelle-est-la-resistance-de-lacier-a-outils-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quelle-est-la-resistance-de-lacier-a-outils-definition\/","title":{"rendered":"Quelle est la r\u00e9sistance de l&rsquo;acier \u00e0 outils &#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\">R\u00e9sistance \u00e0 la traction ultime de l&rsquo;acier \u00e0 outils &#8211; L&rsquo;acier A2 d\u00e9pend du processus de traitement thermique, mais il est d&rsquo;environ 1860 MPa.\u00a0R\u00e9sistance de l&rsquo;acier \u00e0 outils<\/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<figure id=\"attachment_28872\" aria-describedby=\"caption-attachment-28872\" style=\"width: 290px\" class=\"wp-caption alignright\"><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/tool-steel-image.png\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-28872\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/tool-steel-image-300x139.png\" alt=\"Acier \u00e0 outils\" width=\"300\" height=\"139\" \/><\/a><figcaption id=\"caption-attachment-28872\" class=\"wp-caption-text\"><span>L&rsquo;acier \u00e0 outils fait r\u00e9f\u00e9rence \u00e0 une vari\u00e9t\u00e9 d&rsquo;aciers au carbone et alli\u00e9s qui sont particuli\u00e8rement bien adapt\u00e9s pour \u00eatre transform\u00e9s en outils.<\/span><\/figcaption><\/figure>\n<p><strong><span>L&rsquo;acier \u00e0 outils<\/span><\/strong><span>\u00a0fait r\u00e9f\u00e9rence \u00e0 une vari\u00e9t\u00e9 d&rsquo;\u00a0<strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloy-steel\/\">aciers au\u00a0<\/a><\/strong><\/span><strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/carbon-steel-plain-carbon-steel\/\"><span>carbone<\/span><\/a><span>\u00a0et<\/span><\/strong><span>\u00a0alli\u00e9s particuli\u00e8rement adapt\u00e9s \u00e0 la fabrication d&rsquo;\u00a0<\/span><strong><span>outils<\/span><\/strong><span>\u00a0(poin\u00e7ons, matrices, moules, outils de d\u00e9coupe, de d\u00e9coupage, de formage, d&#8217;emboutissage, de direction et de refendage).\u00a0Leur aptitude vient de leur\u00a0<\/span><strong><span>duret\u00e9 distinctive<\/span><\/strong><span>, de leur\u00a0<\/span><strong><span>r\u00e9sistance \u00e0 l&rsquo;abrasion<\/span><\/strong><span>\u00a0et \u00e0 la d\u00e9formation, et de leur capacit\u00e9 \u00e0 maintenir un tranchant \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es.\u00a0Avec une teneur en carbone comprise entre 0,5% et 1,5%,\u00a0<\/span><strong><span>les aciers \u00e0 outils<\/span><\/strong><span>\u00a0sont fabriqu\u00e9s dans des conditions soigneusement contr\u00f4l\u00e9es pour produire la qualit\u00e9 requise.\u00a0La pr\u00e9sence de carbures dans leur matrice joue un r\u00f4le pr\u00e9pond\u00e9rant dans les qualit\u00e9s des aciers \u00e0 outils.<\/span><\/p>\n<p><span>Ils sont g\u00e9n\u00e9ralement regroup\u00e9s en deux classes:<\/span><\/p>\n<ul>\n<li><strong><span>Aciers au carbone simples<\/span><\/strong><span>\u00a0contenant un pourcentage \u00e9lev\u00e9 de carbone, environ 0,80-1,50 %<\/span><\/li>\n<li><strong><span>Aciers \u00e0 outils alli\u00e9s<\/span><\/strong><span>, dans lesquels d&rsquo;autres \u00e9l\u00e9ments (chrome, molybd\u00e8ne, vanadium, tungst\u00e8ne et cobalt) sont ajout\u00e9s pour fournir une plus grande r\u00e9sistance, t\u00e9nacit\u00e9, r\u00e9sistance \u00e0 la corrosion et \u00e0 la chaleur de l&rsquo;acier.<\/span><\/li>\n<\/ul>\n<h2><span>Exemple d&rsquo;acier \u00e0 outils &#8211; acier A2<\/span><\/h2>\n<p><strong><span>L&rsquo;acier \u00e0 outils A2<\/span><\/strong><span>\u00a0est un acier pour travail \u00e0 froid trempant \u00e0 l&rsquo;air du groupe A contenant du molybd\u00e8ne et du chrome.\u00a0L&rsquo;acier A2 contient 5% d&rsquo;acier au chrome qui offre une duret\u00e9 \u00e9lev\u00e9e apr\u00e8s traitement thermique avec une bonne stabilit\u00e9 dimensionnelle.\u00a0La teneur en carbone des aciers \u00e0 outils A2 est \u00e9lev\u00e9e.\u00a0A2 offre une bonne t\u00e9nacit\u00e9 avec une r\u00e9sistance \u00e0 l&rsquo;usure moyenne et est relativement facile \u00e0 usiner.\u00a0L&rsquo;acier \u00e0 outils A2 peut \u00eatre utilis\u00e9 dans de nombreuses applications qui n\u00e9cessitent une bonne r\u00e9sistance \u00e0 l&rsquo;usure ainsi qu&rsquo;une bonne t\u00e9nacit\u00e9.\u00a0Applications typiques pour l&rsquo;acier A2:<\/span><\/p>\n<ul>\n<li><span>Matrices de formage<\/span><\/li>\n<li><span>D\u00e9coupeuses<\/span><\/li>\n<li><span>Jauges<\/span><\/li>\n<li><span>Lames de cisaillement<\/span><\/li>\n<li><span>Outils de d\u00e9coupage<\/span><\/li>\n<li><span>Poin\u00e7on meurt<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Tool-Steel-A2-Steel-composition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-29157\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/Tool-Steel-A2-Steel-composition.png\" alt=\"Acier \u00e0 outils A2\" width=\"674\" height=\"86\" \/><\/a><\/p>\n<h2><span>R\u00e9sistance de l&rsquo;acier \u00e0 outils &#8211; Acier A2<\/span><\/h2>\n<p><span>En m\u00e9canique des mat\u00e9riaux, la\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><strong><span>r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><\/a><span>\u00a0est sa capacit\u00e9 \u00e0 supporter une charge appliqu\u00e9e sans rupture ni d\u00e9formation plastique.\u00a0<\/span><strong><span>La r\u00e9sistance des mat\u00e9riaux<\/span><\/strong><span>\u00a0consid\u00e8re essentiellement la relation entre les\u00a0<\/span><strong><span>charges externes<\/span><\/strong><span>\u00a0appliqu\u00e9es \u00e0 un mat\u00e9riau et la\u00a0<\/span><strong><span>d\u00e9formation<\/span><\/strong><span>\u00a0ou la modification des dimensions du mat\u00e9riau qui en r\u00e9sulte.\u00a0<\/span><strong><span>La r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><span>\u00a0est sa capacit\u00e9 \u00e0 supporter cette charge appliqu\u00e9e sans d\u00e9faillance ni d\u00e9formation plastique.<\/span><\/p>\n<h3><span>R\u00e9sistance \u00e0 la traction ultime<\/span><\/h3>\n<p><span>R\u00e9sistance \u00e0 la traction ultime de l&rsquo;acier \u00e0 outils &#8211; L&rsquo;acier A2 d\u00e9pend du processus de traitement thermique, mais il est d&rsquo;environ 1860 MPa.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-27807\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials-239x300.png\" alt=\"Limite d'\u00e9lasticit\u00e9 - R\u00e9sistance \u00e0 la traction ultime - Tableau des mat\u00e9riaux\" width=\"239\" height=\"300\" \/><\/a><span>La\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/ultimate-tensile-strength-uts\/\"><strong><span>r\u00e9sistance \u00e0 la traction ultime<\/span><\/strong><\/a><span>\u00a0est le maximum sur la\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stress-strain-curve-stress-strain-diagram-definition\/\"><span>courbe technique de contrainte-d\u00e9formation<\/span><\/a><span>.\u00a0Cela correspond \u00e0 la\u00a0<\/span><strong><span>contrainte maximale <\/span><\/strong><span>qui peut \u00eatre soutenu par une structure en tension.\u00a0La r\u00e9sistance \u00e0 la traction ultime est souvent abr\u00e9g\u00e9e en \u00ab\u00a0r\u00e9sistance \u00e0 la traction\u00a0\u00bb ou m\u00eame en \u00ab\u00a0l&rsquo;ultime\u00a0\u00bb.\u00a0Si cette contrainte est appliqu\u00e9e et maintenue, une fracture en r\u00e9sultera.\u00a0Souvent, cette valeur est nettement sup\u00e9rieure \u00e0 la limite d&rsquo;\u00e9lasticit\u00e9 (jusqu&rsquo;\u00e0 50 \u00e0 60 % de plus que le rendement pour certains types de m\u00e9taux).\u00a0Lorsqu&rsquo;un mat\u00e9riau ductile atteint sa r\u00e9sistance ultime, il subit une striction o\u00f9 la section transversale se r\u00e9duit localement.\u00a0La courbe contrainte-d\u00e9formation ne contient pas de contrainte sup\u00e9rieure \u00e0 la r\u00e9sistance ultime.\u00a0M\u00eame si les d\u00e9formations peuvent continuer \u00e0 augmenter, la contrainte diminue g\u00e9n\u00e9ralement apr\u00e8s que la r\u00e9sistance ultime a \u00e9t\u00e9 atteinte.\u00a0C&rsquo;est une propri\u00e9t\u00e9 intensive;\u00a0sa valeur ne d\u00e9pend donc pas de la taille de l&rsquo;\u00e9prouvette.\u00a0Cependant, cela d\u00e9pend d&rsquo;autres facteurs, tels que la pr\u00e9paration de l&rsquo;\u00e9chantillon, <\/span><strong><span>temp\u00e9rature<\/span><\/strong><span>\u00a0de l&rsquo;environnement et du mat\u00e9riau d&rsquo;essai.\u00a0<\/span><strong><span>Les r\u00e9sistances ultimes \u00e0 la traction<\/span><\/strong><span>\u00a0varient de 50 MPa pour un aluminium jusqu&rsquo;\u00e0 3000 MPa pour les aciers \u00e0 tr\u00e8s haute r\u00e9sistance.<\/span><\/p>\n<h3><span>Limite d&rsquo;\u00e9lasticit\u00e9<\/span><\/h3>\n<p><span>Limite d&rsquo;\u00e9lasticit\u00e9 de l&rsquo;acier \u00e0 outils &#8211; L&rsquo;acier A2 d\u00e9pend du processus de traitement thermique, mais il est d&rsquo;environ 1400 MPa.<\/span><\/p>\n<p><span>La limite d&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/yield-strength-yield-point\/\"><strong><span>\u00e9lasticit\u00e9<\/span><\/strong><\/a><span>\u00a0est le point sur une\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stress-strain-curve-stress-strain-diagram-definition\/\"><span>courbe contrainte-d\u00e9formation<\/span><\/a><span>\u00a0qui indique la limite du comportement \u00e9lastique et le d\u00e9but du comportement plastique.\u00a0<\/span><strong><span>Limite d&rsquo;\u00e9lasticit\u00e9 <\/span><\/strong><span>ou la limite d&rsquo;\u00e9lasticit\u00e9 est la propri\u00e9t\u00e9 du mat\u00e9riau d\u00e9finie comme la contrainte \u00e0 laquelle un mat\u00e9riau commence \u00e0 se d\u00e9former plastiquement, tandis que la limite d&rsquo;\u00e9lasticit\u00e9 est le point o\u00f9 la d\u00e9formation non lin\u00e9aire (\u00e9lastique + plastique) commence.\u00a0Avant la limite d&rsquo;\u00e9lasticit\u00e9, le mat\u00e9riau se d\u00e9forme \u00e9lastiquement et reprend sa forme d&rsquo;origine lorsque la contrainte appliqu\u00e9e est supprim\u00e9e.\u00a0Une fois la limite d&rsquo;\u00e9lasticit\u00e9 d\u00e9pass\u00e9e, une partie de la d\u00e9formation sera permanente et irr\u00e9versible.\u00a0Certains aciers et autres mat\u00e9riaux pr\u00e9sentent un comportement appel\u00e9 ph\u00e9nom\u00e8ne de limite d&rsquo;\u00e9lasticit\u00e9.\u00a0Les limites d&rsquo;\u00e9lasticit\u00e9 varient de 35 MPa pour un aluminium \u00e0 faible r\u00e9sistance \u00e0 plus de 1400 MPa pour les aciers \u00e0 tr\u00e8s haute r\u00e9sistance.<\/span><\/p>\n<h3><span>Module de Young<\/span><\/h3>\n<p><span>Le module de Young de l&rsquo;acier \u00e0 outils &#8211; acier A2 est de 200 GPa.<\/span><\/p>\n<p><span>Le\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/hookes-law\/youngs-modulus-of-elasticity\/\"><span>module de Young est le module d&rsquo;\u00e9lasticit\u00e9<\/span><\/a><span>\u00a0pour les contraintes de traction et de compression dans le r\u00e9gime d&rsquo;\u00e9lasticit\u00e9 lin\u00e9aire d&rsquo;une d\u00e9formation uniaxiale et est g\u00e9n\u00e9ralement \u00e9valu\u00e9 par des essais de traction.\u00a0Jusqu&rsquo;\u00e0 une contrainte limite, une caisse pourra retrouver ses dimensions au retrait de la charge.\u00a0Les contraintes appliqu\u00e9es font que les atomes d&rsquo;un cristal se d\u00e9placent de leur position d&rsquo;\u00e9quilibre.\u00a0Tous les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/\"><span>atomes<\/span><\/a><span>\u00a0sont d\u00e9plac\u00e9s de la m\u00eame quantit\u00e9 et conservent toujours leur g\u00e9om\u00e9trie relative.\u00a0Lorsque les contraintes sont supprim\u00e9es, tous les atomes reviennent \u00e0 leur position d&rsquo;origine et aucune d\u00e9formation permanente ne se produit.\u00a0Selon la\u00a0<\/span><strong><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><span>loi de Hooke<\/span><\/a><span>,<\/span><\/strong><span>\u00a0la contrainte est proportionnelle \u00e0 la d\u00e9formation (dans la r\u00e9gion \u00e9lastique), et la pente est\u00a0<\/span><strong><span>le module de Young<\/span><\/strong><span>.\u00a0Le module de Young est \u00e9gal \u00e0 la contrainte longitudinale divis\u00e9e par la d\u00e9formation.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-27811\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\" alt=\"\" width=\"320\" height=\"164\" \/><\/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 \u00e0 outils<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/steels-properties-of-steels\/tool-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>R\u00e9sistance de l&rsquo;acier \u00e0 outils<\/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,\u00a0R\u00e9sistance de l&rsquo;acier \u00e0 outils, 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 r\u00e9sistance de l&#039;acier \u00e0 outils - D\u00e9finition | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"R\u00e9sistance \u00e0 la traction ultime de l&#039;acier \u00e0 outils - L&#039;acier A2 d\u00e9pend du processus de traitement thermique, mais il est d&#039;environ 1860 MPa. 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