{"id":7164,"date":"2024-07-25T21:07:21","date_gmt":"2024-07-25T21:07:21","guid":{"rendered":"https:\/\/www.h-metal.ro\/blog\/?p=7164"},"modified":"2024-08-06T15:22:01","modified_gmt":"2024-08-06T15:22:01","slug":"acier-carre-classe-42crmo4","status":"publish","type":"post","link":"https:\/\/www.h-metal.ro\/blog\/fr\/acier-carre-classe-42crmo4\/","title":{"rendered":"Acier carr\u00e9 classe 42CrMo4"},"content":{"rendered":"<figure class=\"wp-block-image\"><img src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2023\/10\/otel-patrat-clasa-42CrMo4-1.png\" alt=\"Acier carr\u00e9 classe 42CrMo4\"\/><\/figure>\n\n\n\n<p>Notre soci\u00e9t\u00e9, H Metal, distribue de l\u2019acier carr\u00e9 de classe 42CrMo4. Il s\u2019agit d\u2019un acier am\u00e9lior\u00e9, durci par alliage avec du chrome-molybd\u00e8ne.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4.png\"><img loading=\"lazy\" width=\"970\" height=\"255\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4.png\" alt=\"\" class=\"wp-image-7165\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4.png 970w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4-300x79.png 300w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4-768x202.png 768w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Acier-carre-classe-42CrMo4-18x5.png 18w\" sizes=\"(max-width: 970px) 100vw, 970px\" \/><\/a><\/figure>\n\n\n\n<p>Abr\u00e9viations:<\/p>\n\n\n\n<ul><li>+AR &#8211; Tel que roul\u00e9, lamin\u00e9 uniquement, sans aucune am\u00e9lioration suppl\u00e9mentaire&nbsp;;<\/li><li>+QT \u2013 Modifi\u00e9 par traitement thermique ;<\/li><li>+C \u2013 Calibr\u00e9 ;<\/li><li>+SH \u2013 Pel\u00e9.<\/li><\/ul>\n\n\n\n<p><strong>Composition chimique de l\u2019acier 42CrMo4<\/strong><\/p>\n\n\n\n<p>C % 0,38 \u2013 0,45 ;<\/p>\n\n\n\n<p>Si % max 0,40&nbsp;;<\/p>\n\n\n\n<p>Mn % 0,60 \u2013 0,90 ;<\/p>\n\n\n\n<p>P % max 0,025&nbsp;;<\/p>\n\n\n\n<p>S % max 0,035&nbsp;;<\/p>\n\n\n\n<p>Cr % 0,90 \u2013 1,20 ;<\/p>\n\n\n\n<p>% Mo 0,15 \u00e0 0,30.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2023\/10\/bare-otel-patrat-debitate-la-dimensiune.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<h2>UTILISE DE L\u2019ACIER CARR\u00c9 DE CLASSE 42CRMO<\/h2>\n\n\n\n<p>Cette marque d\u2019acier est utilis\u00e9e avec succ\u00e8s dans l\u2019industrie de la construction m\u00e9canique :<\/p>\n\n\n\n<p>&#8211; fabrication de pi\u00e8ces \u00e0 haute r\u00e9sistance \u00e0 partir de compresseurs, turbines ;<\/p>\n\n\n\n<p>&#8211; \u00e9l\u00e9ments de travail des machines lourdes de surface et souterraines&nbsp;;<\/p>\n\n\n\n<p>&#8211; pi\u00e8ces de machines agricoles.<\/p>\n\n\n\n<p><strong>Soudure<\/strong><\/p>\n\n\n\n<p>L\u2019acier de classe 42CrMo4 a une faible soudabilit\u00e9 en raison de sa grande sensibilit\u00e9 \u00e0 la fissuration.<\/p>\n\n\n\n<p>Si cela n\u00e9cessite le processus de soudage, il est recommand\u00e9 de pr\u00e9chauffer la surface m\u00e9tallique \u00e0 une temp\u00e9rature de 200 \u00e0 300\u00b0C.&nbsp; Cette temp\u00e9rature ne doit pas \u00eatre d\u00e9pass\u00e9e car il existe un risque d\u2019endommager la couche de chrome. Et une fois l\u2019op\u00e9ration de soudage termin\u00e9e, le refroidissement se fait sous surveillance, le plus lentement possible, pour \u00e9viter l\u2019apparition de fissures dans le mat\u00e9riau.<\/p>\n\n\n\n<p><strong>Corrosion<\/strong><\/p>\n\n\n\n<p>Le profil carr\u00e9 en acier 42CrMo4 a une faible r\u00e9sistance \u00e0 la corrosion et finira par rouiller s\u2019il n\u2019est pas trait\u00e9 correctement. Un traitement de corrosion lui sera appliqu\u00e9, en fonction de l\u2019utilisation finale.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4.png\"><img loading=\"lazy\" width=\"1024\" height=\"195\" src=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4-1024x195.png\" alt=\"\" class=\"wp-image-7166\" srcset=\"https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4-1024x195.png 1024w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4-300x57.png 300w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4-768x146.png 768w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4-18x3.png 18w, https:\/\/www.h-metal.ro\/blog\/wp-content\/uploads\/2024\/07\/Equivalent-international-en-acier-carre-42CrMo4.png 1066w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><strong>Conditions de livraison de l\u2019acier carr\u00e9 de marque 42CrMo4 :<\/strong><\/p>\n\n\n\n<ul><li>Norme de production : EN 10083\/1+A1-2002, STAS 791-88 ;<\/li><li>Aspect de surface carr\u00e9 de l\u2019acier : selon EN 10221\/96, classe A\/B ;<\/li><li>Diam\u00e8tres de refoulement possibles : 6 x 6 \u2013 150 x 150 mm ;<\/li><li>Longueurs de fabrication : 3000 \u2013 6300 mm ;<\/li><li>Tol\u00e9rances de taille et de forme : selon la norme EN 10060 ;<\/li><li>Certificat de contr\u00f4le d\u00e9livr\u00e9 par le fabricant : type 3.1 selon la norme EN 10204.<\/li><\/ul>\n\n\n\n<p><strong>Prix du profil\u00e9 en acier carr\u00e9 classe 42CrMo4<\/strong><\/p>\n\n\n\n<p>Afin de vous faire une offre pr\u00e9cise, veuillez nous envoyer les informations suivantes ofiice@h-metal.ro e-mail :<\/p>\n\n\n\n<ul><li>Taille carr\u00e9e de l\u2019acier\u00a0;<\/li><li><a href=\"https:\/\/www.metal-online.ro\/care-sunt-factorii-care-contribuie-la-calitatea-otelului-78.html\">Qualit\u00e9 de l\u2019acier<\/a>;<\/li><li>Quantit\u00e9 en m\u00e8tres lin\u00e9aires\u00a0;<\/li><li>Localit\u00e9 de destination.<\/li><\/ul>\n\n\n\n<p>Une fois que nous aurons ces d\u00e9tails, nous vous enverrons une offre concr\u00e8te avec le prix et le d\u00e9lai de livraison.<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Acier carr\u00e9 classe 42CrMo4\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<p>Notre soci\u00e9t\u00e9, H Metal, distribue de l\u2019acier carr\u00e9 de classe 42CrMo4. Il s\u2019agit d\u2019un acier am\u00e9lior\u00e9, durci par alliage avec du chrome-molybd\u00e8ne. Abr\u00e9viations: +AR &#8211; Tel que roul\u00e9, lamin\u00e9 uniquement, sans aucune am\u00e9lioration suppl\u00e9mentaire&nbsp;; +QT \u2013 Modifi\u00e9 par traitement thermique ; +C \u2013 Calibr\u00e9 ; +SH \u2013 Pel\u00e9. Composition chimique de l\u2019acier 42CrMo4 C % [&hellip;]<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Acier carr\u00e9 classe 42CrMo4\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[56,45],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Acier carr\u00e9 classe 42CrMo4 - H Metal<\/title>\n<meta name=\"description\" content=\"Notre soci\u00e9t\u00e9, H M\u00e9tal, distribue des acier carr\u00e9 classe 42CrMo4. 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