{"id":6378,"date":"2020-09-07T06:11:27","date_gmt":"2020-09-07T06:11:27","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6378"},"modified":"2022-06-30T08:59:15","modified_gmt":"2022-06-30T08:59:15","slug":"acier-inoxydable-magnetique-oui-ou-non","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-magnetique-oui-ou-non\/","title":{"rendered":"Acier inoxydable magn\u00e9tique, oui ou non ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Est-il possible de juger de la qualit\u00e9 de <\/strong><strong>Magn\u00e9tique<\/strong> <strong>L&#039;acier inoxydable n&#039;est pas qualifi\u00e9?<\/strong><\/h2>\n\n\n\n<p>La plupart des gens pensent que l&#039;acier inoxydable magn\u00e9tique est mauvais et utilisent des aimants pour juger de la qualit\u00e9 de <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">tuyaux et raccords en acier inoxydable<\/a>. Ce n&#039;est certainement pas scientifique.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"469\" height=\"375\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/09\/00907141006.jpg\" alt=\"aimant\" class=\"wp-image-6379\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/09\/00907141006.jpg 469w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/09\/00907141006-300x240.jpg 300w\" sizes=\"(max-width: 469px) 100vw, 469px\" \/><figcaption>aimant<\/figcaption><\/figure><\/div>\n\n\n\n<p>Il existe de nombreux types d&#039;inox, que l&#039;on peut diviser en plusieurs cat\u00e9gories selon la structure organisationnelle \u00e0 temp\u00e9rature ambiante :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Type d&#039;aust\u00e9nite tel que 304, 321, 316, 310, etc.\u00a0;<\/li><li>Type martensite ou ferrite tel que 430, 420, 410, etc.;<br \/><\/li><\/ul>\n\n\n\n<p>Le type aust\u00e9nitique est non magn\u00e9tique ou faiblement magn\u00e9tique, et la martensite ou la ferrite est magn\u00e9tique.<\/p>\n\n\n\n<p><strong>Pourquoi certains aciers inoxydables magn\u00e9tiques<\/strong><\/p>\n\n\n\n<p>L&#039;acier inoxydable couramment utilis\u00e9 pour les tubes\/plaques d\u00e9coratifs est principalement aust\u00e9nitique 304, qui est g\u00e9n\u00e9ralement non magn\u00e9tique ou faiblement magn\u00e9tique. Cependant, en raison des fluctuations de la composition chimique ou des diff\u00e9rentes conditions de traitement caus\u00e9es par la fusion, un magn\u00e9tisme peut \u00e9galement appara\u00eetre, mais cela ne peut pas \u00eatre pris en compte. Il n&#039;est pas qualifi\u00e9. Quelle est la raison?<\/p>\n\n\n\n<p>Comme mentionn\u00e9 ci-dessus, l&#039;aust\u00e9nite est non magn\u00e9tique ou faiblement magn\u00e9tique, tandis que la martensite ou la ferrite est magn\u00e9tique. En raison de la s\u00e9gr\u00e9gation des composants ou d&#039;un traitement thermique inappropri\u00e9 pendant la fusion, une petite quantit\u00e9 de martensite ou de ferrite dans l&#039;acier inoxydable aust\u00e9nitique 304 sera provoqu\u00e9e. De cette fa\u00e7on, l&#039;acier inoxydable 304 aura de faibles propri\u00e9t\u00e9s magn\u00e9tiques.<\/p>\n\n\n\n<p>Une fois l&#039;acier inoxydable 304 trait\u00e9 \u00e0 froid, la structure se transformera \u00e9galement en martensite. Plus le degr\u00e9 de d\u00e9formation \u00e0 froid est \u00e9lev\u00e9, plus la transformation martensitique est importante et plus les propri\u00e9t\u00e9s magn\u00e9tiques de l&#039;acier sont grandes. (par exemple pour les tuyaux fabriqu\u00e9s dans le m\u00eame mat\u00e9riau, pour les tuyaux \u03a676, pas d&#039;induction magn\u00e9tique \u00e9vidente, pour les tuyaux \u03a69,5, l&#039;induction magn\u00e9tique est plus \u00e9vidente en raison d&#039;une plus grande d\u00e9formation). Pour \u00e9liminer compl\u00e8tement le magn\u00e9tisme de l&#039;acier 304 caus\u00e9 par les raisons ci-dessus, il peut \u00eatre pass\u00e9 \u00e0 haute temp\u00e9rature <a href=\"https:\/\/www.kaysuns.com\/fr\/quel-est-lobjectif-du-traitement-de-la-solution-du-tuyau-de-fluide-industriel-en-acier-inoxydable-tp304\/\" target=\"_blank\">traitement de solution<\/a> restaure la structure stable de l&#039;aust\u00e9nite, \u00e9liminant ainsi le magn\u00e9tisme.<\/p>\n\n\n\n<p><strong>Puis-je juger le type d&#039;acier inoxydable par magn\u00e9tisme<\/strong><\/p>\n\n\n\n<p>Il est particuli\u00e8rement soulign\u00e9 ici que le magn\u00e9tisme de l&#039;acier inoxydable 304 provoqu\u00e9 par les raisons ci-dessus n&#039;est pas au m\u00eame niveau que d&#039;autres mat\u00e9riaux en acier inoxydable, tels que l&#039;acier inoxydable 430 et l&#039;acier au carbone. <\/p>\n\n\n\n<p>C&#039;est-\u00e0-dire que le magn\u00e9tisme de l&#039;acier 304 montre toujours un faible magn\u00e9tisme. Si l&#039;acier inoxydable a un magn\u00e9tisme faible ou aucun magn\u00e9tisme, il doit \u00eatre consid\u00e9r\u00e9 comme un mat\u00e9riau 304 ou 316\u00a0; si le magn\u00e9tisme est le m\u00eame que l&#039;acier au carbone, il montre un fort magn\u00e9tisme, car il n&#039;est pas consid\u00e9r\u00e9 comme un mat\u00e9riau 304.<\/p>","protected":false},"featured_media":6379,"template":"","categories":[186],"tags":[],"class_list":["post-6378","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Magnetic Stainless Steel, Yes Or Not? - Stainless Steel Pipe Fittings<\/title>\n<meta name=\"description\" content=\"judge the quality of stainless steel pipe and fittings by magnetic is definitely unscientific. 304 stainless steel is magnetic\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-magnetique-oui-ou-non\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnetic Stainless Steel, Yes Or Not? 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