{"id":3846,"date":"2024-06-25T05:59:32","date_gmt":"2024-06-25T05:59:32","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3846"},"modified":"2024-06-25T07:34:39","modified_gmt":"2024-06-25T07:34:39","slug":"stainless-steel-301-vs-420","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/cs\/bolg\/stainless-steel-301-vs-420\/","title":{"rendered":"Nerezov\u00e1 ocel 301 vs 420: Kter\u00e1 je lep\u0161\u00ed pro pr\u016fmyslov\u00e9 pou\u017eit\u00ed?"},"content":{"rendered":"<h4>Obsah<\/h4>\n<ul>\n<li><a href=\"#introduction\">\u00davod<\/a><\/li>\n<li><a href=\"#properties\">Vlastnosti a slo\u017een\u00ed<\/a><\/li>\n<li><a href=\"#corrosion\">Odolnost proti korozi<\/a><\/li>\n<li><a href=\"#strength\">Mechanick\u00e1 pevnost a odolnost<\/a><\/li>\n<li><a href=\"#heat\">Procesy tepeln\u00e9ho zpracov\u00e1n\u00ed<\/a><\/li>\n<li><a href=\"#cost\">N\u00e1kladov\u00e1 efektivita<\/a><\/li>\n<li><a href=\"#applications\">Aplikace v pr\u016fmyslu<\/a><\/li>\n<li><a href=\"#machinability\">Obrobitelnost a sva\u0159itelnost<\/a><\/li>\n<li><a href=\"#long-term\">Dlouhodob\u00fd v\u00fdkon v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch<\/a><\/li>\n<li><a href=\"#conclusion\">Z\u00e1v\u011br<\/a><\/li>\n<\/ul>\n<h2 id=\"introduction\">\u00davod<\/h2>\n<p>Nerezov\u00e1 ocel je zvolena pro jej\u00ed kombinaci pevnosti a odolnosti proti korozi. Zam\u011b\u0159ujeme se na dv\u011b t\u0159\u00eddy: 301, cen\u011bnou pro ta\u017enost a odolnost proti korozi, a 420, cen\u011bnou pro tvrdost a odolnost proti opot\u0159eben\u00ed.<\/p>\n<h2 id=\"properties\">Vlastnosti a slo\u017een\u00ed<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Majetek<\/th>\n<th>Nerezov\u00e1 ocel 301<\/th>\n<th>Nerezov\u00e1 ocel 420<\/th>\n<\/tr>\n<tr>\n<td>Obsah chromu<\/td>\n<td>16-18%<\/td>\n<td>12-14%<\/td>\n<\/tr>\n<tr>\n<td>Obsah niklu<\/td>\n<td>6-8%<\/td>\n<td>M\u00e9n\u011b ne\u017e 301<\/td>\n<\/tr>\n<tr>\n<td>Obsah uhl\u00edku<\/td>\n<td>M\u00e9n\u011b ne\u017e 0,15%<\/td>\n<td>0.15-0.40%<\/td>\n<\/tr>\n<tr>\n<td>Magnetick\u00fd<\/td>\n<td>Ne, pokud nefungoval chlad<\/td>\n<td>Ano<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"corrosion\">Odolnost proti korozi<\/h2>\n<p>301 nab\u00edz\u00ed lep\u0161\u00ed odolnost proti korozi d\u00edky vy\u0161\u0161\u00edmu obsahu chr\u00f3mu a niklu, tak\u017ee je vhodn\u00fd pro chemick\u00e9 a n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed. 420 je m\u00e9n\u011b odoln\u00fd, ale vhodn\u00fd pro m\u00e9n\u011b n\u00e1ro\u010dn\u00e9 podm\u00ednky.<\/p>\n<h2 id=\"strength\">Mechanick\u00e1 pevnost a odolnost<\/h2>\n<p>Pevnost 301 poch\u00e1z\u00ed z tv\u00e1\u0159en\u00ed za studena a dosahuje vrcholu p\u0159i pevnosti v tahu 1300 MPa. 420 dosahuje vy\u0161\u0161\u00ed tvrdosti tepeln\u00fdm zpracov\u00e1n\u00edm, s pevnost\u00ed v tahu a\u017e 500 HB a 1750 MPa.<\/p>\n<h2 id=\"heat\">Procesy tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h2>\n<p>301 je \u017e\u00edhan\u00fd pro ta\u017enost a odolnost proti korozi. 420 je kalen\u00fd a temperovan\u00fd pro tvrdost a odolnost proti opot\u0159eben\u00ed.<\/p>\n<h2 id=\"cost\">N\u00e1kladov\u00e1 efektivita<\/h2>\n<p>301 m\u016f\u017ee m\u00edt ni\u017e\u0161\u00ed n\u00e1klady na zpracov\u00e1n\u00ed a m\u00e9n\u011b \u010dast\u00e9 v\u00fdm\u011bny, d\u00edky \u010demu\u017e je ekonomicky atraktivn\u00ed. Vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady 420 lze od\u016fvodnit jeho odolnost\u00ed proti opot\u0159eben\u00ed v ur\u010dit\u00fdch aplikac\u00edch.<\/p>\n<h2 id=\"applications\">Aplikace v pr\u016fmyslu<\/h2>\n<ul>\n<li><strong>301:<\/strong> Automobilov\u00fd pr\u016fmysl, leteck\u00fd pr\u016fmysl, kuchy\u0148sk\u00e9 spot\u0159ebi\u010de, stavebn\u00ed materi\u00e1ly.<\/li>\n<li><strong>420:<\/strong> P\u0159\u00edbory, chirurgick\u00e9 n\u00e1stroje, vysoce nam\u00e1han\u00e9 strojn\u00ed sou\u010d\u00e1sti.<\/li>\n<\/ul>\n<h2 id=\"machinability\">Obrobitelnost a sva\u0159itelnost<\/h2>\n<p>301 je n\u00e1ro\u010dn\u011bj\u0161\u00ed na obr\u00e1b\u011bn\u00ed kv\u016fli mechanick\u00e9mu zpevn\u011bn\u00ed, ale sn\u00e1ze se sva\u0159uje. 420 se snadn\u011bji obr\u00e1b\u00ed, ale vy\u017eaduje pe\u010dliv\u00e9 sva\u0159ovac\u00ed postupy, aby se zabr\u00e1nilo k\u0159ehnut\u00ed.<\/p>\n<h2 id=\"long-term\">Dlouhodob\u00fd v\u00fdkon v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch<\/h2>\n<p>301 je vybr\u00e1n pro svou odolnost proti korozi v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch, zat\u00edmco 420 je vybr\u00e1n pro svou pevnost a odolnost proti opot\u0159eben\u00ed navzdory potenci\u00e1ln\u00edm probl\u00e9m\u016fm s koroz\u00ed.<\/p>\n<h2 id=\"conclusion\">Z\u00e1v\u011br<\/h2>\n<p>Rozhodnut\u00ed mezi nerezovou ocel\u00ed 301 a 420 z\u00e1vis\u00ed na po\u017eadavc\u00edch aplikace \u2013 odolnosti proti korozi, pevnosti, cen\u011b a prost\u0159ed\u00ed. Ka\u017ed\u00e1 t\u0159\u00edda zapl\u0148uje r\u016fzn\u00e9 mezery v oboru.<\/p>","protected":false},"excerpt":{"rendered":"<p>Obsah \u00davod Vlastnosti a slo\u017een\u00ed Odolnost proti korozi Mechanick\u00e1 pevnost a trvanlivost Procesy tepeln\u00e9ho zpracov\u00e1n\u00ed Cenov\u00e1 efektivita Aplikace v pr\u016fmyslu Obrobitelnost a sva\u0159itelnost Dlouhodob\u00e1 v\u00fdkonnost v drsn\u00e9m prost\u0159ed\u00ed Z\u00e1v\u011br \u00davod Nerezov\u00e1 ocel je vybr\u00e1na pro svou kombinaci pevnosti a odolnosti proti korozi. Zam\u011b\u0159ujeme se na dv\u011b t\u0159\u00eddy: 301, cen\u011bnou pro ta\u017enost a odolnost proti korozi, a [\u2026]<\/p>","protected":false},"author":1,"featured_media":3851,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-material-selection-guide"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/comments?post=3846"}],"version-history":[{"count":2,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3846\/revisions"}],"predecessor-version":[{"id":3849,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/posts\/3846\/revisions\/3849"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/media\/3851"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/media?parent=3846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/categories?post=3846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/cs\/wp-json\/wp\/v2\/tags?post=3846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}