{"id":1290,"date":"2015-10-23T12:01:28","date_gmt":"2015-10-23T04:01:28","guid":{"rendered":"http:\/\/www.symachining.com\/?p=694"},"modified":"2015-10-23T12:01:28","modified_gmt":"2015-10-23T04:01:28","slug":"high-quality-machined-parts","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/fr\/high-quality-machined-parts\/","title":{"rendered":"3 fa\u00e7ons simples d'identifier l'acier inoxydable - Pour obtenir des pi\u00e8ces usin\u00e9es de haute qualit\u00e9"},"content":{"rendered":"

Comment obtenir des pi\u00e8ces usin\u00e9es de haute qualit\u00e9 ?<\/span><\/h2>\n

Si vous souhaitez obtenir pi\u00e8ces usin\u00e9es de haute qualit\u00e9<\/strong>Il existe trois fa\u00e7ons simples d'identifier l'acier inoxydable.<\/p>\n

1. le test magn\u00e9tique<\/strong>
\nLe test magn\u00e9tique est le moyen le plus simple de distinguer les aciers inoxydables aust\u00e9nitiques recuits des aciers inoxydables ferritiques. \"high<\/a>L'acier inoxydable aust\u00e9nitique est un acier non magn\u00e9tique, mais il pr\u00e9sente un l\u00e9ger magn\u00e9tisme \u00e0 froid \u00e0 la suite d'une forte r\u00e9duction. L'acier au chrome pur et les aciers faiblement alli\u00e9s sont des aciers ferromagn\u00e9tiques.<\/p>\n

2.Point test de l'acide nitrique<\/strong>
\nL'acide nitrique concentr\u00e9 et l'acide nitrique dilu\u00e9 ont une r\u00e9sistance inh\u00e9rente \u00e0 la corrosion. Cette performance fait qu'il se distingue facilement de la plupart des autres m\u00e9taux ou alliages. Toutefois, si l'acide nitrique pi\u00e8ce usin\u00e9e de haute qualit\u00e9<\/a>Les m\u00e9taux non ferreux se corroderont s'ils sont fabriqu\u00e9s \u00e0 partir de SS420 et 440C, les points pendant le test sont l\u00e9g\u00e8rement corrosifs \u00e0 l'acide nitrique, l'acide nitrique concentr\u00e9 est imm\u00e9diatement rencontr\u00e9. L'acide nitrique dilu\u00e9 a un fort pouvoir corrosif sur l'acier au carbone.<\/p>\n

3. test ponctuel au sulfate de cuivre<\/strong>
\nLe test ponctuel au sulfate de cuivre est le moyen le plus simple de distinguer rapidement l'acier au carbone normal de l'acier inoxydable de tous types. La concentration de la solution de sulfate de cuivre utilis\u00e9e est de 5 ~10, avant le test, la zone d'inspection doit \u00eatre compl\u00e8tement d\u00e9gag\u00e9e, et polir une petite zone, puis faire goutter la solution de sulfate de cuivre sur la zone propre. L'acier au carbone ordinaire ou le fer forment en quelques secondes une couche de cuivre \u00e0 la surface du m\u00e9tal, et les surfaces en acier inoxydable ne produisent pas de pr\u00e9cipitation de cuivre et n'affichent pas de couleur.<\/p>","protected":false},"excerpt":{"rendered":"

Comment obtenir des pi\u00e8ces usin\u00e9es de qualit\u00e9 ? Si vous voulez obtenir des pi\u00e8ces usin\u00e9es de haute qualit\u00e9, le point cl\u00e9 est le mat\u00e9riau. Il y a 3 fa\u00e7ons simples d'identifier l'acier inoxydable. 1. le test magn\u00e9tique Le test magn\u00e9tique est le moyen le plus simple de distinguer l'acier inoxydable aust\u00e9nitique recuit des aciers inoxydables ferritiques. l'acier inoxydable aust\u00e9nitique est un acier non magn\u00e9tique, mais [...]<\/p>","protected":false},"author":2,"featured_media":698,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[13,19],"class_list":["post-1290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machining-industry","tag-custom-machining-service","tag-high-quality-machined-parts"],"acf":[],"yoast_head":"\nHigh quality machined parts | SYM Precision machining service<\/title>\n<meta name=\"description\" content=\"Obtain high quality machined parts\uff0c3 simple ways to identify the stainless steel,good raw material for good 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