{"id":6512,"date":"2020-11-24T06:03:43","date_gmt":"2020-11-24T06:03:43","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6512"},"modified":"2022-06-30T08:58:26","modified_gmt":"2022-06-30T08:58:26","slug":"procede-de-coulee-continue-de-lacier-inoxydable-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/procede-de-coulee-continue-de-lacier-inoxydable-duplex\/","title":{"rendered":"Processus de coul\u00e9e continue d&#039;acier inoxydable duplex"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Le proc\u00e9d\u00e9 de coul\u00e9e continue, \u00e9galement connu sous le nom de coul\u00e9e de billettes, consiste \u00e0 solidifier le m\u00e9tal fondu en billettes, blooms ou brames \"semi-finis\", puis \u00e0 les laminer dans un laminoir de finition. <\/p><cite>De wiki.<\/cite><\/blockquote>\n\n\n\n<p>Il existe deux m\u00e9thodes pour couler l&#039;acier inoxydable duplex : la coul\u00e9e sous pression et la coul\u00e9e continue. Avant les ann\u00e9es 1960, la plupart des aciers duplex \u00e9taient moul\u00e9s sous pression. La popularisation \u00e0 grande \u00e9chelle de la technologie de coul\u00e9e continue a commenc\u00e9 apr\u00e8s les ann\u00e9es 1960, en particulier apr\u00e8s les ann\u00e9es 1970. En 1985, le rapport mondial de coul\u00e9e continue d&#039;acier biphas\u00e9 avait atteint plus de 70%.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"993\" height=\"1024\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/11\/continuous-cast-flow-1-993x1024.jpg\" alt=\"Processus de coul\u00e9e continue\" class=\"wp-image-6514\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/11\/continuous-cast-flow-1-993x1024.jpg 993w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/11\/continuous-cast-flow-1-291x300.jpg 291w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/11\/continuous-cast-flow-1-768x792.jpg 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/11\/continuous-cast-flow-1.jpg 1138w\" sizes=\"(max-width: 993px) 100vw, 993px\" \/><figcaption>Flux de coul\u00e9e continue<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u00c0 l&#039;heure actuelle, les pays industrialis\u00e9s remplacent essentiellement la coul\u00e9e sous pression par la coul\u00e9e continue. L&#039;utilisation de la coul\u00e9e continue am\u00e9liore non seulement le rendement de l&#039;acier fondu, augmente ainsi le taux de rendement global et am\u00e9liore consid\u00e9rablement l&#039;efficacit\u00e9 de la production.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<ul class=\"wp-block-list\"><li>La coul\u00e9e continue en acier inoxydable duplex est g\u00e9n\u00e9ralement associ\u00e9e \u00e0 un four d&#039;affinage, et la composition chimique et la temp\u00e9rature de l&#039;acier en fusion sont strictement requises\u00a0;<\/li><li>Afin d&#039;emp\u00eacher l&#039;oxydation secondaire de l&#039;acier en fusion, une coul\u00e9e protectrice sans oxydation est requise dans le processus de production de coul\u00e9e continue\u00a0;<\/li><li>Exigences strictes pour les mat\u00e9riaux r\u00e9fractaires pratiques tels que poche, r\u00e9partiteur, buse coulissante, buse \u00e0 immersion, etc.<\/li><li>Pendant le processus de coul\u00e9e continue, les marques de vibration form\u00e9es sur la surface de la billette de coul\u00e9e continue en raison de la vibration du moule doivent \u00eatre contr\u00f4l\u00e9es\u00a0;<\/li><li>L&#039;agitation \u00e9lectromagn\u00e9tique est indispensable pour la coul\u00e9e continue d&#039;acier super duplex.<\/li><\/ul>\n<\/div><\/div>\n\n\n\n<p>L&#039;acier inoxydable duplex adopte g\u00e9n\u00e9ralement la m\u00eame machine de pliage vertical, vertical ou de coul\u00e9e continue \u00e0 l&#039;arc que l&#039;acier au carbone.<br \/>L&#039;acier fondu affin\u00e9 est vers\u00e9 dans la poche, et la temp\u00e9rature de l&#039;acier fondu est affin\u00e9e gr\u00e2ce \u00e0 la station de soufflage d&#039;argon, puis hiss\u00e9e vers la tourelle de poche pour attendre la coul\u00e9e continue.<\/p>\n\n\n\n<p>Apr\u00e8s la coul\u00e9e de la derni\u00e8re poche d&#039;acier fondu, la poche \u00e0 verser est retourn\u00e9e sur l&#039;orifice d&#039;injection du r\u00e9partiteur, puis l&#039;acier fondu est inject\u00e9 dans le r\u00e9partiteur \u00e0 travers le car\u00e9nage. L&#039;acier fondu dans le r\u00e9partiteur p\u00e9n\u00e8tre dans le moule par la buse d&#039;immersion pour le formage et la condensation, et est \u00e9tir\u00e9 en continu. La couche de surface de la brame coul\u00e9e solidifi\u00e9e continue d&#039;\u00eatre rapidement refroidie \u00e0 travers la zone de refroidissement secondaire jusqu&#039;\u00e0 ce que le noyau devienne solide, puis soumise \u00e0 un oxycoupage de longueur fixe pour terminer l&#039;ensemble du processus de coul\u00e9e continue.<\/p>\n\n\n\n<p>L&#039;acier fondu super biphas\u00e9 passe du processus de lingot au processus de brame. Son r\u00f4le n&#039;est pas seulement d&#039;augmenter le taux de rendement de 10%, d&#039;\u00e9conomiser de l&#039;\u00e9nergie et de raccourcir le cycle de production, mais aussi en raison des m\u00e9thodes de contr\u00f4le qualit\u00e9 parfaites du processus de coul\u00e9e continue, il est devenu un moyen n\u00e9cessaire d&#039;am\u00e9lioration de la qualit\u00e9 du produit.<\/p>\n\n\n\n<p>Diff\u00e9rentes qualit\u00e9s d&#039;acier peuvent correspondre au processus de vibration du moule avec le flux de moule, de sorte que la profondeur des marques de vibration sur la surface de la dalle coul\u00e9e peut atteindre \u2264200\u03bcm, atteignant ainsi l&#039;objectif de ne pas meuler ni rouler la surface de la dalle en fonte d&#039;acier inoxydable.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Publi\u00e9 par KAYSUNS, <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">tuyaux et raccords en acier inoxydable<\/a> le fournisseur.<\/p>","protected":false},"featured_media":6514,"template":"","categories":[186],"tags":[],"class_list":["post-6512","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>Continuous Casting Process Of Duplex Stainless Steel SS PIPE FITTINGS<\/title>\n<meta name=\"description\" content=\"There are two methods for casting duplex stainless steel: die casting and continuous casting process. 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