{"id":3935,"date":"2024-06-27T13:37:40","date_gmt":"2024-06-27T13:37:40","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3935"},"modified":"2024-07-01T01:11:32","modified_gmt":"2024-07-01T01:11:32","slug":"ss303-and-ss420","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/zh\/bolg\/ss303-and-ss420\/","title":{"rendered":"SS303 \u548c SS420 \u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li><a href=\"#overview-of-ss303-and-ss420-stainless-steel-grades\">SS303 \u548c SS420 \u4e0d\u9508\u94a2\u7b49\u7ea7\u6982\u8ff0<\/a><\/li>\n<li><a href=\"#ss303-and-ss420-equivalent-material\">SS303 \u548c SS420 \u7b49\u6548\u6750\u6599<\/a><\/li>\n<li><a href=\"#pros-and-cons-303-vs-420-stainless-steel\">\u4f18\u70b9\u548c\u7f3a\u70b9\uff1a303 VS 420 \u4e0d\u9508\u94a2<\/a><\/li>\n<li><a href=\"#chemical-composition-differences-between-ss303-and-ss420\">SS303 \u548c SS420 \u7684\u5316\u5b66\u6210\u5206\u5dee\u5f02<\/a><\/li>\n<li><a href=\"#corrosion-resistance-of-aisi-303-vs-aisi-420\">AISI 303 \u4e0e AISI 420 \u7684\u8010\u8150\u8680\u6027<\/a><\/li>\n<li><a href=\"#mechanical-properties-comparing-ss303-and-ss420\">\u673a\u68b0\u6027\u80fd\uff1aSS303 \u548c SS420 \u7684\u6bd4\u8f83<\/a><\/li>\n<li><a href=\"#heat-treatment-processes-for-en-1-4303-and-en-1-4028\">EN 1.4303 \u548c EN 1.4028 \u7684\u70ed\u5904\u7406\u5de5\u827a<\/a><\/li>\n<li><a href=\"#machinability-of-ss303-and-ss420\">SS303 \u548c SS420 \u7684\u53ef\u52a0\u5de5\u6027<\/a><\/li>\n<li><a href=\"#applications-where-to-use-ss303-and-ss420\">\u5e94\u7528\uff1aSS303 \u548c SS420 \u7684\u4f7f\u7528\u573a\u5408<\/a><\/li>\n<li><a href=\"#conclusion\">\u7ed3\u8bba<\/a><\/li>\n<\/ul>\n<h2 id=\"overview-of-ss303-and-ss420-stainless-steel-grades\">SS303 \u548c SS420 \u4e0d\u9508\u94a2\u7b49\u7ea7\u6982\u8ff0<\/h2>\n<p>\u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u4e3b\u8981\u7531\u94c1\u3001\u94ec\u548c\u78b3\u7ec4\u6210\u7684\u5408\u91d1\uff0c\u4ee5\u5176\u8010\u8150\u8680\u6027\u548c\u5f3a\u5ea6\u800c\u95fb\u540d\u3002\u5728\u4f17\u591a\u4e0d\u9508\u94a2\u7b49\u7ea7\u4e2d\uff0cSS303 \u548c SS420 \u56e0\u5176\u72ec\u7279\u7684\u7279\u6027\u548c\u5e94\u7528\u800c\u8131\u9896\u800c\u51fa\uff0c\u8fd9\u4e3b\u8981\u662f\u7531\u5176\u4e0d\u540c\u7684\u5316\u5b66\u6210\u5206\u548c\u673a\u68b0\u6027\u80fd\u51b3\u5b9a\u7684\u3002\u4e86\u89e3\u8fd9\u4e24\u4e2a\u7b49\u7ea7\u4e4b\u95f4\u7684\u5dee\u5f02\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u548c\u8bbe\u8ba1\u5e08\u9009\u62e9\u9002\u5408\u7279\u5b9a\u5e94\u7528\u7684\u6750\u6599\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>SS303 \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li>\u5965\u6c0f\u4f53\u578b<\/li>\n<li>\u5353\u8d8a\u7684\u673a\u52a0\u5de5\u6027\u80fd<\/li>\n<li>\u975e\u78c1\u6027<\/li>\n<li>\u542b\u786b\uff080.15%\u81f30.35%\uff09<\/li>\n<li>\u8010\u8150\u8680\u6027\u4f4e\u4e8e\u5176\u4ed6\u5965\u6c0f\u4f53\u7b49\u7ea7<\/li>\n<\/ul>\n<h3>SS420 \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li>\u9a6c\u6c0f\u4f53\u578b<\/li>\n<li>\u78b3\u542b\u91cf\u66f4\u9ad8\uff080.15% \u81f3 0.40%\uff09<\/li>\n<li>\u53ef\u901a\u8fc7\u70ed\u5904\u7406\u786c\u5316<\/li>\n<li>\u66f4\u9ad8\u7684\u5f3a\u5ea6\u548c\u786c\u5ea6<\/li>\n<li>\u8010\u8150\u8680\u6027\u80fd\u826f\u597d\uff0c\u4f46\u4e0d\u5982\u5965\u6c0f\u4f53\u7b49\u7ea7<\/li>\n<li>\u78c1\u6027<\/li>\n<\/ul>\n<h2 id=\"ss303-and-ss420-equivalent-material\">SS303 \u548c SS420 \u7b49\u6548\u6750\u6599<\/h2>\n<p>\u4e86\u89e3 SS303 \u548c SS420 \u7684\u7b49\u6548\u6750\u6599\u6709\u52a9\u4e8e\u5728\u9700\u8981\u65f6\u9009\u62e9\u66ff\u4ee3\u54c1\u3002<\/p>\n<h3>SS303 \u7b49\u6548\u6750\u6599<\/h3>\n<ul>\n<li>303 \u4e0d\u9508\u94a2<\/li>\n<li>EN 1.4305<\/li>\n<\/ul>\n<h3>SS420 \u7b49\u6548\u6750\u6599<\/h3>\n<ul>\n<li>\u4e0d\u9508\u94a2 420<\/li>\n<li>EN 1.4021<\/li>\n<\/ul>\n<h2 id=\"pros-and-cons-303-vs-420-stainless-steel\">\u4f18\u70b9\u548c\u7f3a\u70b9\uff1a303 VS 420 \u4e0d\u9508\u94a2<\/h2>\n<p>\u5728 SS303 \u548c SS420 \u4e4b\u95f4\u8fdb\u884c\u9009\u62e9\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n<h3>SS303<\/h3>\n<h4>\u4f18\u70b9<\/h4>\n<ul>\n<li>\u5353\u8d8a\u7684\u673a\u52a0\u5de5\u6027\u80fd<\/li>\n<li>\u975e\u78c1\u6027<\/li>\n<li>\u5177\u6709\u826f\u597d\u7684\u8010\u8150\u8680\u6027\u80fd\uff0c\u9002\u5408\u4e00\u822c\u7528\u9014<\/li>\n<\/ul>\n<h4>\u7f3a\u70b9<\/h4>\n<ul>\n<li>\u6c2f\u5316\u7269\u73af\u5883\u4e2d\u8010\u8150\u8680\u6027\u80fd\u8f83\u4f4e<\/li>\n<li>\u4e0d\u5982 SS420 \u5f3a\u5ea6\u9ad8\u6216\u575a\u786c<\/li>\n<\/ul>\n<h3>SS420<\/h3>\n<h4>\u4f18\u70b9<\/h4>\n<ul>\n<li>\u9ad8\u5f3a\u5ea6\u3001\u9ad8\u786c\u5ea6<\/li>\n<li>\u53ef\u901a\u8fc7\u70ed\u5904\u7406\u786c\u5316<\/li>\n<li>\u8010\u78e8\u6027\u597d<\/li>\n<\/ul>\n<h4>\u7f3a\u70b9<\/h4>\n<ul>\n<li>\u673a\u68b0\u52a0\u5de5\u6027\u8f83\u4f4e<\/li>\n<li>\u5728\u8150\u8680\u73af\u5883\u4e2d\u9700\u8981\u66f4\u591a\u7ef4\u62a4<\/li>\n<\/ul>\n<h2 id=\"chemical-composition-differences-between-ss303-and-ss420\">SS303 \u548c SS420 \u7684\u5316\u5b66\u6210\u5206\u5dee\u5f02<\/h2>\n<p>SS303 \u548c SS420 \u7684\u5316\u5b66\u6210\u5206\u51b3\u5b9a\u4e86\u5b83\u4eec\u72ec\u7279\u7684\u6027\u80fd\u548c\u5408\u9002\u7684\u5e94\u7528\u3002<\/p>\n<h3>SS303 \u5316\u5b66\u6210\u5206<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u8981\u7d20<\/th>\n<th>\u767e\u5206\u6bd4<\/th>\n<\/tr>\n<tr>\n<td>\u94ec<\/td>\n<td>17-19%<\/td>\n<\/tr>\n<tr>\n<td>\u954d<\/td>\n<td>8-10%<\/td>\n<\/tr>\n<tr>\n<td>\u786b\u78fa<\/td>\n<td>0.15-0.35%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>SS420\u5316\u5b66\u6210\u5206<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u8981\u7d20<\/th>\n<th>\u767e\u5206\u6bd4<\/th>\n<\/tr>\n<tr>\n<td>\u94ec<\/td>\n<td>12-14%<\/td>\n<\/tr>\n<tr>\n<td>\u78b3<\/td>\n<td>0.15-0.40%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"corrosion-resistance-of-aisi-303-vs-aisi-420\">AISI 303 \u4e0e AISI 420 \u7684\u8010\u8150\u8680\u6027<\/h2>\n<p>\u5728\u5404\u79cd\u5e94\u7528\u4e2d\uff0c\u8010\u8150\u8680\u6027\u662f\u9009\u62e9 AISI 303 \u8fd8\u662f AISI 420 \u7684\u4e00\u4e2a\u5173\u952e\u56e0\u7d20\u3002<\/p>\n<h3>AISI 303 \u8010\u8150\u8680\u6027\u80fd<\/h3>\n<ul>\n<li>\u9002\u7528\u4e8e\u4e0d\u592a\u6076\u52a3\u7684\u73af\u5883<\/li>\n<li>\u5728\u6c2f\u5316\u7269\u73af\u5883\u4e2d\u6613\u53d1\u751f\u70b9\u8680\u548c\u7f1d\u9699\u8150\u8680<\/li>\n<\/ul>\n<h3>AISI 420 \u8010\u8150\u8680\u6027\u80fd<\/h3>\n<ul>\n<li>\u80fd\u6709\u6548\u62b5\u6297\u5927\u6c14\u6761\u4ef6\u3001\u6c34\u548c\u5f31\u9178<\/li>\n<li>\u6613\u53d7\u6c2f\u5316\u7269\u548c\u6076\u52a3\u73af\u5883\u6761\u4ef6\u7684\u5f71\u54cd<\/li>\n<\/ul>\n<h2 id=\"mechanical-properties-comparing-ss303-and-ss420\">\u673a\u68b0\u6027\u80fd\uff1aSS303 \u548c SS420 \u7684\u6bd4\u8f83<\/h2>\n<p>\u4e86\u89e3 SS303 \u548c SS420 \u7684\u673a\u68b0\u6027\u80fd\u5bf9\u4e8e\u9009\u62e9\u9002\u5408\u7279\u5b9a\u5e94\u7528\u7684\u6750\u6599\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>SS303 \u673a\u68b0\u6027\u80fd<\/h3>\n<ul>\n<li>\u6297\u62c9\u5f3a\u5ea6\uff1a620-850MPa<\/li>\n<li>\u5c48\u670d\u5f3a\u5ea6\uff1a240-450MPa<\/li>\n<li>\u65ad\u88c2\u4f38\u957f\u7387\uff1a~50%<\/li>\n<\/ul>\n<h3>SS420\u673a\u68b0\u6027\u80fd<\/h3>\n<ul>\n<li>\u6297\u62c9\u5f3a\u5ea6\uff1a700-1500MPa<\/li>\n<li>\u5c48\u670d\u5f3a\u5ea6\uff1a500-1000MPa<\/li>\n<li>\u65ad\u88c2\u4f38\u957f\u7387\uff1a10-25%<\/li>\n<\/ul>\n<h2 id=\"heat-treatment-processes-for-en-1-4303-and-en-1-4028\">EN 1.4303 \u548c EN 1.4028 \u7684\u70ed\u5904\u7406\u5de5\u827a<\/h2>\n<p>\u70ed\u5904\u7406\u5de5\u827a\u5bf9\u4e8e\u5b9e\u73b0\u4e0d\u9508\u94a2 EN 1.4303 (SS303) \u548c EN 1.4028 (SS420) \u6240\u9700\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3>EN 1.4303 (SS303) \u70ed\u5904\u7406<\/h3>\n<ul>\n<li>\u9000\u706b\uff1a1010-1120\u00b0C\uff0c\u7136\u540e\u5feb\u901f\u51b7\u5374<\/li>\n<li>\u7f13\u89e3\u538b\u529b\uff0c\u63d0\u9ad8\u6210\u5f62\u6027\u548c\u710a\u63a5\u6027<\/li>\n<\/ul>\n<h3>EN 1.4028 (SS420) \u70ed\u5904\u7406<\/h3>\n<ul>\n<li>\u786c\u5316\uff1a950-1050\u00b0C\uff0c\u7136\u540e\u5728\u6cb9\u6216\u7a7a\u6c14\u4e2d\u6dec\u706b<\/li>\n<li>\u56de\u706b\uff1a100-400\u00b0C\uff0c\u8c03\u6574\u786c\u5ea6\u548c\u97e7\u6027<\/li>\n<\/ul>\n<h2 id=\"machinability-of-ss303-and-ss420\">SS303 \u548c SS420 \u7684\u53ef\u52a0\u5de5\u6027<\/h2>\n<p>\u4e0d\u9508\u94a2 SS303 \u548c SS420 \u7684\u53ef\u52a0\u5de5\u6027\u5dee\u5f02\u5f88\u5927\uff0c\u5f71\u54cd\u5176\u5bf9\u4e0d\u540c\u5236\u9020\u5de5\u827a\u7684\u9002\u7528\u6027\u3002<\/p>\n<h3>SS303 \u53ef\u52a0\u5de5\u6027<\/h3>\n<ul>\n<li>\u901a\u8fc7\u6dfb\u52a0\u786b\u6765\u589e\u5f3a<\/li>\n<li>\u51cf\u5c11\u5200\u5177\u78e8\u635f\u5e76\u63d0\u9ad8\u52a0\u5de5\u901f\u5ea6<\/li>\n<li>\u975e\u5e38\u9002\u5408\u9700\u8981\u5927\u91cf\u52a0\u5de5\u7684\u96f6\u4ef6<\/li>\n<\/ul>\n<h3>SS420 \u53ef\u52a0\u5de5\u6027<\/h3>\n<ul>\n<li>\u7531\u4e8e\u78b3\u542b\u91cf\u8f83\u9ad8\uff0c\u52a0\u5de5\u96be\u5ea6\u8f83\u5927<\/li>\n<li>\u9700\u8981\u575a\u56fa\u3001\u8010\u78e8\u7684\u5de5\u5177<\/li>\n<li>\u52a0\u5de5\u524d\u9000\u706b\u53ef\u4ee5\u63d0\u9ad8\u52a0\u5de5\u6027<\/li>\n<\/ul>\n<h2 id=\"applications-where-to-use-ss303-and-ss420\">\u5e94\u7528\uff1aSS303 \u548c SS420 \u7684\u4f7f\u7528\u573a\u5408<\/h2>\n<p>\u4e3a\u7279\u5b9a\u5e94\u7528\u9009\u62e9\u5408\u9002\u7684\u4e0d\u9508\u94a2\u53ef\u786e\u4fdd\u6700\u4f73\u6027\u80fd\u548c\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n<h3>SS303 \u5e94\u7528<\/h3>\n<ul>\n<li>\u914d\u4ef6<\/li>\n<li>\u87ba\u9489<\/li>\n<li>\u673a\u68b0\u96f6\u90e8\u4ef6<\/li>\n<li>\u4e0d\u9002\u5408\u6076\u52a3\u7684\u8150\u8680\u73af\u5883<\/li>\n<\/ul>\n<h3>SS420 \u5e94\u7528<\/h3>\n<ul>\n<li>\u9910\u5177<\/li>\n<li>\u624b\u672f\u5668\u68b0<\/li>\n<li>\u5200\u7247<\/li>\n<li>\u9700\u8981\u9ad8\u8010\u78e8\u6027\u7684\u5e94\u7528<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\u7ed3\u8bba<\/h2>\n<p>SS303 \u548c SS420 \u4e0d\u9508\u94a2\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u7684\u6210\u5206\u548c\u673a\u68b0\u6027\u80fd\u3002SS303 \u662f\u4e00\u79cd\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u4ee5\u5176\u826f\u597d\u7684\u53ef\u52a0\u5de5\u6027\u800c\u95fb\u540d\uff0c\u4e3b\u8981\u7528\u4e8e\u9700\u8981\u6613\u4e8e\u52a0\u5de5\u7684\u5730\u65b9\u3002\u5b83\u542b\u6709\u786b\u4ee5\u63d0\u9ad8\u5176\u53ef\u52a0\u5de5\u6027\uff0c\u4f46\u4e0e\u5176\u4ed6\u5965\u6c0f\u4f53\u7b49\u7ea7\u76f8\u6bd4\uff0c\u5176\u8010\u8150\u8680\u6027\u8f83\u4f4e\u3002\u53e6\u4e00\u65b9\u9762\uff0cSS420 \u662f\u4e00\u79cd\u78b3\u542b\u91cf\u8f83\u9ad8\u7684\u9a6c\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u8fd9\u4f7f\u5176\u5177\u6709\u6bd4 SS303 \u66f4\u9ad8\u7684\u5f3a\u5ea6\u548c\u786c\u5ea6\uff0c\u4f46\u8010\u8150\u8680\u6027\u8f83\u5dee\u3002SS420 \u901a\u5e38\u7528\u4e8e\u9700\u8981\u9ad8\u5f3a\u5ea6\u548c\u4e2d\u7b49\u8010\u8150\u8680\u6027\u7684\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982\u9910\u5177\u548c\u624b\u672f\u5668\u68b0\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 SS303 \u548c SS420 \u4e0d\u9508\u94a2\u7b49\u7ea7\u6982\u8ff0 SS303 \u548c SS420 \u7b49\u6548\u6750\u6599\u4f18\u7f3a\u70b9\uff1a303 VS 420 \u4e0d\u9508\u94a2\u5316\u5b66\u6210\u5206 SS303 \u548c SS420 \u4e4b\u95f4\u7684\u5dee\u5f02 AISI 303 \u7684\u8010\u8150\u8680\u6027\u4e0e AISI 420 \u7684\u673a\u68b0\u6027\u80fd\uff1a\u6bd4\u8f83 SS303 \u548c SS420 \u7684\u70ed\u5904\u7406\u5de5\u827a\uff0c\u7b26\u5408 EN 1.4303 \u548c EN 1.4028 \u53ef\u52a0\u5de5\u6027 [\u2026]<\/p>","protected":false},"author":1,"featured_media":4017,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3935","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-material-selection-guide"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts\/3935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/comments?post=3935"}],"version-history":[{"count":2,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts\/3935\/revisions"}],"predecessor-version":[{"id":3938,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts\/3935\/revisions\/3938"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/media\/4017"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/media?parent=3935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/categories?post=3935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/tags?post=3935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}