{"id":3943,"date":"2024-06-27T14:31:11","date_gmt":"2024-06-27T14:31:11","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3943"},"modified":"2024-07-01T01:14:13","modified_gmt":"2024-07-01T01:14:13","slug":"303-vs-440-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/zh\/bolg\/303-vs-440-stainless-steel\/","title":{"rendered":"303 \u4e0e 440 \u4e0d\u9508\u94a2\uff1a\u7f3a\u70b9\u3001\u4f18\u70b9\u3001\u7279\u6027\u3001\u7528\u9014"},"content":{"rendered":"<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li><a href=\"#disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u4f18\u7f3a\u70b9<\/a><\/li>\n<li><a href=\"#what-is-303-and-440-stainless-steel-equivalent-to\">303\u548c440\u4e0d\u9508\u94a2\u76f8\u5f53\u4e8e\u4ec0\u4e48\uff1f<\/a><\/li>\n<li><a href=\"#uses-of-440-vs-303-stainless-steel\">440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u7528\u9014<\/a><\/li>\n<li><a href=\"#corrosion-resistance-of-303-stainless-steel\">303 \u4e0d\u9508\u94a2\u7684\u8010\u8150\u8680\u6027<\/a><\/li>\n<li><a href=\"#composition-analysis-of-303-vs-440-stainless-steel\">303 \u548c 440 \u4e0d\u9508\u94a2\u7684\u6210\u5206\u5206\u6790<\/a><\/li>\n<li><a href=\"#physical-properties-of-303-stainless-steel\">303\u4e0d\u9508\u94a2\u7684\u7269\u7406\u6027\u80fd<\/a><\/li>\n<li><a href=\"#mechanical-properties-of-440-stainless-steel\">440\u4e0d\u9508\u94a2\u7684\u673a\u68b0\u6027\u80fd<\/a><\/li>\n<li><a href=\"#is-304-stainless-steel-better-than-440-stainless-steel\">304 \u4e0d\u9508\u94a2\u6bd4 440 \u4e0d\u9508\u94a2\u66f4\u597d\u5417\uff1f<\/a><\/li>\n<li><a href=\"#conclusion\">\u7ed3\u8bba<\/a><\/li>\n<\/ul>\n<p>\u201c303 \u4e0e 440 \u4e0d\u9508\u94a2\uff1a\u63a2\u7d22\u8010\u7528\u6027\u3001\u53ef\u52a0\u5de5\u6027\u548c\u591a\u79cd\u5e94\u7528\u7684\u591a\u529f\u80fd\u6027\u201d<\/p>\n<p>\u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u7528\u9014\u5e7f\u6cdb\u7684\u6750\u6599\uff0c\u7531\u4e8e\u5176\u8010\u8150\u8680\u6027\u548c\u5f3a\u5ea6\u800c\u5728\u5404\u4e2a\u884c\u4e1a\u4e2d\u5e7f\u53d7\u6b22\u8fce\u3002\u4e24\u79cd\u5e38\u89c1\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u662f 303 \u548c 440\uff0c\u6bcf\u79cd\u4e0d\u9508\u94a2\u90fd\u5177\u6709\u72ec\u7279\u7684\u6027\u80fd\u3001\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u4f7f\u5176\u9002\u5408\u7279\u5b9a\u5e94\u7528\u3002\u4e86\u89e3\u8fd9\u4e24\u79cd\u4e0d\u9508\u94a2\u4e4b\u95f4\u7684\u5dee\u5f02\u5bf9\u4e8e\u9009\u62e9\u9002\u5408\u7279\u5b9a\u7528\u9014\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u81f3\u5173\u91cd\u8981\u3002\u672c\u4ecb\u7ecd\u5c06\u63a2\u8ba8 303 \u548c 440 \u4e0d\u9508\u94a2\u7684\u6027\u80fd\u3001\u4f18\u70b9\u3001\u7f3a\u70b9\u548c\u5178\u578b\u7528\u9014\uff0c\u4e3a\u5b83\u4eec\u7684\u5b9e\u9645\u548c\u5de5\u4e1a\u5e94\u7528\u63d0\u4f9b\u91cd\u8981\u89c1\u89e3\u3002<\/p>\n<h2 id=\"disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u4f18\u7f3a\u70b9<\/h2>\n<p>\u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u4e3b\u8981\u7531\u94c1\u3001\u94ec\u548c\u954d\u7ec4\u6210\u7684\u5408\u91d1\uff0c\u4ee5\u5176\u8010\u8150\u8680\u6027\u548c\u5f3a\u5ea6\u800c\u95fb\u540d\u3002\u4e24\u79cd\u5e38\u89c1\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u662f 303 \u548c 440\uff0c\u6bcf\u79cd\u90fd\u5177\u6709\u72ec\u7279\u7684\u6027\u80fd\uff0c\u9002\u5408\u5404\u4e2a\u884c\u4e1a\u7684\u5404\u79cd\u5e94\u7528\u3002\u7136\u800c\uff0c\u5728\u6bd4\u8f83\u8fd9\u4e24\u79cd\u4e0d\u9508\u94a2\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u5b83\u4eec\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u4ee5\u4e86\u89e3\u5b83\u4eec\u662f\u5426\u9002\u5408\u7279\u5b9a\u7528\u9014\u3002<\/p>\n<h3>303\u4e0d\u9508\u94a2\u7684\u4f18\u70b9<\/h3>\n<ul>\n<li>\u7531\u4e8e\u6dfb\u52a0\u4e86\u786b\uff0c\u56e0\u6b64\u5177\u6709\u4f18\u5f02\u7684\u673a\u68b0\u52a0\u5de5\u6027\u3002<\/li>\n<li>\u8868\u9762\u5149\u6d01\u5ea6\u4f73\u3002<\/li>\n<li>\u9002\u7528\u4e8e\u590d\u6742\u7684\u673a\u68b0\u52a0\u5de5\u5de5\u4f5c\uff0c\u7279\u522b\u662f\u5236\u9020\u914d\u4ef6\u548c\u7d27\u56fa\u4ef6\u3002<\/li>\n<\/ul>\n<h3>303 \u4e0d\u9508\u94a2\u7684\u7f3a\u70b9<\/h3>\n<ul>\n<li>\u4e0e\u5176\u4ed6\u5965\u6c0f\u4f53\u7b49\u7ea7\u76f8\u6bd4\uff0c\u8010\u8150\u8680\u6027\u964d\u4f4e\u3002<\/li>\n<li>\u4e0d\u9002\u5408\u6d77\u6d0b\u6216\u9ad8\u6c2f\u5316\u7269\u73af\u5883\u3002<\/li>\n<\/ul>\n<h3>440\u4e0d\u9508\u94a2\u7684\u4f18\u70b9<\/h3>\n<ul>\n<li>\u7531\u4e8e\u78b3\u542b\u91cf\u9ad8\uff0c\u786c\u5ea6\u9ad8\uff0c\u8010\u78e8\u6027\u597d\u3002<\/li>\n<li>\u53ef\u4ee5\u8fdb\u884c\u70ed\u5904\u7406\u4ee5\u589e\u5f3a\u786c\u5ea6\u548c\u5f3a\u5ea6\u3002<\/li>\n<li>\u975e\u5e38\u9002\u5408\u5207\u5272\u5de5\u5177\u3001\u5200\u5177\u548c\u9700\u8981\u4fdd\u6301\u950b\u5229\u8fb9\u7f18\u7684\u5e94\u7528\u3002<\/li>\n<\/ul>\n<h3>440\u4e0d\u9508\u94a2\u7684\u7f3a\u70b9<\/h3>\n<ul>\n<li>\u7531\u4e8e\u786c\u5ea6\u9ad8\uff0c\u96be\u4ee5\u52a0\u5de5\u3002<\/li>\n<li>\u589e\u52a0\u5de5\u5177\u78e8\u635f\u5e76\u63d0\u9ad8\u5236\u9020\u6210\u672c\u3002<\/li>\n<li>\u4e0e\u9ad8\u7ea7\u5965\u6c0f\u4f53\u6216\u53cc\u76f8\u4e0d\u9508\u94a2\u76f8\u6bd4\uff0c\u8010\u8150\u8680\u6027\u8f83\u5dee\u3002<\/li>\n<\/ul>\n<h2 id=\"what-is-303-and-440-stainless-steel-equivalent-to\">303\u548c440\u4e0d\u9508\u94a2\u76f8\u5f53\u4e8e\u4ec0\u4e48\uff1f<\/h2>\n<p>303 \u548c 440 \u4e0d\u9508\u94a2\u56e0\u5176\u72ec\u7279\u7684\u6027\u80fd\u548c\u7279\u6027\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u4e2a\u884c\u4e1a\u3002\u4e86\u89e3\u5b83\u4eec\u5728\u5176\u4ed6\u6807\u51c6\u4e2d\u7684\u5bf9\u5e94\u7269\u6709\u52a9\u4e8e\u786e\u5b9a\u5b83\u4eec\u7684\u5168\u7403\u5e94\u7528\u548c\u4e0e\u5176\u4ed6\u6750\u6599\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<h3>\u540c\u7b49\u6210\u7ee9<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u6807\u51c6<\/th>\n<th>303 \u4e0d\u9508\u94a2<\/th>\n<th>440 \u4e0d\u9508\u94a2<\/th>\n<\/tr>\n<tr>\n<td>EN<\/td>\n<td>1.4305<\/td>\n<td>1.4125<\/td>\n<\/tr>\n<tr>\n<td>\u8054\u5408\u56fd<\/td>\n<td>S30300<\/td>\n<td>S44004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u7279\u6027\u548c\u7528\u9014<\/h3>\n<ul>\n<li>303 \u4e0d\u9508\u94a2\uff1a\u4f18\u5f02\u7684\u53ef\u52a0\u5de5\u6027\uff0c\u7528\u4e8e\u87ba\u4e1d\u3001\u87ba\u6bcd\u3001\u87ba\u6813\u548c\u914d\u4ef6\u3002<\/li>\n<li>440\u4e0d\u9508\u94a2\uff1a\u9ad8\u786c\u5ea6\u548c\u8010\u78e8\u6027\uff0c\u7528\u4e8e\u9910\u5177\uff0c\u8f74\u627f\u548c\u624b\u672f\u5668\u68b0\u3002<\/li>\n<\/ul>\n<h2 id=\"uses-of-440-vs-303-stainless-steel\">440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u7528\u9014<\/h2>\n<p>\u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u4e3b\u8981\u7531\u94c1\u3001\u78b3\u548c\u94ec\u7ec4\u6210\u7684\u5408\u91d1\uff0c\u4ee5\u5176\u8010\u8150\u8680\u6027\u548c\u5f3a\u5ea6\u800c\u95fb\u540d\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u4e0d\u9508\u94a2\u6839\u636e\u5176\u5fae\u89c2\u7ed3\u6784\u548c\u6240\u7528\u6210\u5206\u7684\u5177\u4f53\u767e\u5206\u6bd4\u8fdb\u884c\u5206\u7c7b\u3002\u5176\u4e2d\uff0c303 \u548c 440 \u4e0d\u9508\u94a2\u54c1\u79cd\u88ab\u5e7f\u6cdb\u8ba4\u53ef\uff0c\u7531\u4e8e\u5176\u72ec\u7279\u7684\u6027\u80fd\uff0c\u6bcf\u79cd\u4e0d\u9508\u94a2\u54c1\u79cd\u5728\u4e0d\u540c\u884c\u4e1a\u4e2d\u90fd\u6709\u4e0d\u540c\u7684\u7528\u9014\u3002<\/p>\n<h3>303 \u4e0d\u9508\u94a2\u7684\u7528\u9014<\/h3>\n<ul>\n<li>\u914d\u4ef6<\/li>\n<li>\u87ba\u9489<\/li>\n<li>\u575a\u679c<\/li>\n<li>\u87ba\u6813<\/li>\n<\/ul>\n<h3>440 \u4e0d\u9508\u94a2\u7684\u7528\u9014<\/h3>\n<ul>\n<li>\u9910\u5177<\/li>\n<li>\u8f74\u627f<\/li>\n<li>\u624b\u672f\u5668\u68b0<\/li>\n<li>\u9ad8\u78e8\u635f\u90e8\u4ef6<\/li>\n<\/ul>\n<h2 id=\"corrosion-resistance-of-303-stainless-steel\">303 \u4e0d\u9508\u94a2\u7684\u8010\u8150\u8680\u6027<\/h2>\n<p>303 \u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u5965\u6c0f\u4f53\u94ec\u954d\u5408\u91d1\uff0c\u4e13\u95e8\u8bbe\u8ba1\u7528\u4e8e\u63d0\u9ad8\u673a\u68b0\u52a0\u5de5\u6027\u80fd\uff0c\u540c\u65f6\u4fdd\u6301\u826f\u597d\u7684\u673a\u68b0\u6027\u80fd\u548c\u8010\u8150\u8680\u6027\u80fd\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u6dfb\u52a0\u4f1a\u7565\u5fae\u635f\u5bb3\u5176\u8010\u8150\u8680\u6027\uff0c\u5c24\u5176\u662f\u4e0e 440 \u7cfb\u5217\u4e0d\u9508\u94a2\u76f8\u6bd4\u65f6\u3002<\/p>\n<h3>\u8010\u8150\u8680\u7279\u6027<\/h3>\n<ul>\n<li>\u5bf9\u4e2d\u7b49\u5927\u6c14\u6761\u4ef6\u548c\u5f31\u9178\u6709\u826f\u597d\u7684\u62b5\u6297\u529b\u3002<\/li>\n<li>\u7531\u4e8e\u542b\u786b\u91cf\uff0c\u5728\u542b\u6709\u6c2f\u5316\u7269\u6216\u5176\u4ed6\u5364\u5316\u7269\u7684\u73af\u5883\u4e2d\u6548\u679c\u8f83\u5dee\u3002<\/li>\n<\/ul>\n<h3>\u8010\u8150\u8680\u6027\u80fd\u6bd4\u8f83<\/h3>\n<p>\u867d\u7136 303 \u4e0d\u9508\u94a2\u5177\u6709\u51fa\u8272\u7684\u53ef\u52a0\u5de5\u6027\uff0c\u4f46\u4e0e 440 \u4e0d\u9508\u94a2\u76f8\u6bd4\uff0c\u5176\u5728\u9ad8\u8150\u8680\u73af\u5883\u4e2d\u7684\u6027\u80fd\u53ef\u80fd\u4e0d\u8db3\u3002\u540e\u8005\u5177\u6709\u51fa\u8272\u7684\u8010\u8150\u8680\u6027\u548c\u786c\u5ea6\uff0c\u4f7f\u5176\u9002\u5408\u8981\u6c42\u66f4\u9ad8\u7684\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u9884\u8ba1\u4f1a\u66b4\u9732\u4e8e\u6c2f\u5316\u7269\u6216\u6781\u7aef\u6761\u4ef6\u4e0b\u3002<\/p>\n<h2 id=\"composition-analysis-of-303-vs-440-stainless-steel\">303 \u548c 440 \u4e0d\u9508\u94a2\u7684\u6210\u5206\u5206\u6790<\/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\u4e24\u79cd\u5e38\u89c1\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u662f 303 \u548c 440\uff0c\u6bcf\u79cd\u4e0d\u9508\u94a2\u90fd\u5177\u6709\u72ec\u7279\u7684\u5316\u5b66\u6210\u5206\uff0c\u8d4b\u4e88\u5176\u72ec\u7279\u7684\u6027\u80fd\u548c\u5bf9\u7279\u5b9a\u5e94\u7528\u7684\u9002\u7528\u6027\u3002<\/p>\n<h3>\u5316\u5b66\u6210\u5206<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u6210\u5206<\/th>\n<th>303 \u4e0d\u9508\u94a2<\/th>\n<th>440 \u4e0d\u9508\u94a2<\/th>\n<\/tr>\n<tr>\n<td>\u78b3<\/td>\n<td>\u6700\u59270.15%<\/td>\n<td>0.60-1.20%<\/td>\n<\/tr>\n<tr>\n<td>\u94ec<\/td>\n<td>17-19%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>\u954d<\/td>\n<td>8-10%<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>\u786b\u78fa<\/td>\n<td>0.15-0.35%<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4ece\u7ec4\u5408\u6d3e\u751f\u7684\u5c5e\u6027<\/h3>\n<ul>\n<li>303 \u4e0d\u9508\u94a2\uff1a\u589e\u5f3a\u53ef\u52a0\u5de5\u6027\uff0c\u4e2d\u7b49\u8010\u8150\u8680\u6027\u3002<\/li>\n<li>440 \u4e0d\u9508\u94a2\uff1a\u786c\u5ea6\u9ad8\u3001\u8010\u78e8\u6027\u4f18\u8d8a\u3001\u8010\u8150\u8680\u6027\u4e2d\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"physical-properties-of-303-stainless-steel\">303\u4e0d\u9508\u94a2\u7684\u7269\u7406\u6027\u80fd<\/h2>\n<p>303 \u4e0d\u9508\u94a2\u662f 18-8 \u4e0d\u9508\u94a2\u5bb6\u65cf\u7684\u4e00\u4e2a\u53d8\u79cd\uff0c\u5176\u4e3b\u8981\u7279\u70b9\u662f\u6613\u52a0\u5de5\u6027\uff0c\u800c\u786b\u7684\u6dfb\u52a0\u5219\u63d0\u9ad8\u4e86\u6613\u52a0\u5de5\u6027\u3002\u6839\u636e\u5177\u4f53\u5e94\u7528\u8981\u6c42\uff0c\u8fd9\u79cd\u6539\u8fdb\u65e2\u53ef\u4ee5\u6709\u5229\uff0c\u4e5f\u53ef\u4ee5\u9650\u5236\u5408\u91d1\u7684\u7269\u7406\u7279\u6027\u3002<\/p>\n<h3>\u5173\u952e\u7269\u7406\u7279\u6027<\/h3>\n<ul>\n<li>\u5bc6\u5ea6\uff1a8.03 g\/cm\u00b3<\/li>\n<li>\u7194\u70b9\uff1a1450-1510\u00b0C<\/li>\n<li>\u70ed\u5bfc\u7387\uff1a100\u00b0C \u65f6\u4e3a 16.2 W\/mK<\/li>\n<li>\u70ed\u81a8\u80c0\u7cfb\u6570\uff1a100\u00b0C \u65f6\u4e3a 17.3 \u00b5m\/m\u00b0C<\/li>\n<li>\u975e\u78c1\u6027<\/li>\n<li>\u6bd4\u70ed\u5bb9\u91cf\uff1a25\u00b0C \u65f6\u4e3a 500 J\/kg-K<\/li>\n<\/ul>\n<h2 id=\"mechanical-properties-of-440-stainless-steel\">440\u4e0d\u9508\u94a2\u7684\u673a\u68b0\u6027\u80fd<\/h2>\n<p>440 \u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u9ad8\u78b3\u9a6c\u6c0f\u4f53\u5408\u91d1\uff0c\u4ee5\u5176\u5f3a\u5ea6\u3001\u786c\u5ea6\u548c\u8010\u78e8\u6027\u800c\u95fb\u540d\u3002\u8fd9\u79cd\u4e0d\u9508\u94a2\u5206\u4e3a\u4e09\u4e2a\u5b50\u7b49\u7ea7\uff1a440A\u3001440B \u548c 440C\uff0c\u5176\u4e2d 440C \u6700\u4e3a\u5e38\u89c1\uff0c\u56e0\u4e3a\u5b83\u7684\u78b3\u542b\u91cf\u8f83\u9ad8\u3002<\/p>\n<h3>\u673a\u68b0\u6027\u80fd<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u7269\u4e1a<\/th>\n<th>\u4ef7\u503c<\/th>\n<\/tr>\n<tr>\n<td>\u786c\u5ea6\uff08HRC\uff09<\/td>\n<td>58-60<\/td>\n<\/tr>\n<tr>\n<td>\u5c48\u670d\u5f3a\u5ea6<\/td>\n<td>450\u5146\u5e15<\/td>\n<\/tr>\n<tr>\n<td>\u62c9\u4f38\u5f3a\u5ea6<\/td>\n<td>760\u5146\u5e15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5e94\u7528<\/h3>\n<ul>\n<li>\u9ad8\u5f3a\u5ea6\u5207\u524a\u5200\u5177<\/li>\n<li>\u5200\u5177<\/li>\n<li>\u8f74\u627f<\/li>\n<li>\u9600\u95e8\u96f6\u4ef6<\/li>\n<\/ul>\n<h2 id=\"is-304-stainless-steel-better-than-440-stainless-steel\">304 \u4e0d\u9508\u94a2\u6bd4 440 \u4e0d\u9508\u94a2\u66f4\u597d\u5417\uff1f<\/h2>\n<p>\u5728\u6bd4\u8f83 304 \u548c 440 \u4e0d\u9508\u94a2\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u5b83\u4eec\u7684\u5316\u5b66\u6210\u5206\u3001\u673a\u68b0\u6027\u80fd\u4ee5\u53ca\u5bf9\u5404\u79cd\u5e94\u7528\u7684\u9002\u7528\u6027\uff0c\u4ee5\u786e\u5b9a\u54ea\u79cd\u4e0d\u9508\u94a2\u66f4\u9002\u5408\u7279\u5b9a\u7528\u9014\u3002\u8fd9\u4e24\u79cd\u4e0d\u9508\u94a2\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u66f4\u9002\u5408\u7279\u5b9a\u7684\u73af\u5883\u548c\u4efb\u52a1\u3002<\/p>\n<h3>\u6bd4\u8f83\u5206\u6790<\/h3>\n<ul>\n<li>304 \u4e0d\u9508\u94a2\uff1a\u8010\u8150\u8680\u6027\u80fd\u4f18\u5f02\uff0c\u53ef\u52a0\u5de5\u6027\u5f3a\uff0c\u9002\u7528\u4e8e\u98df\u54c1\u52a0\u5de5\u548c\u6d77\u6d0b\u5e94\u7528\u3002<\/li>\n<li>440 \u4e0d\u9508\u94a2\uff1a\u9ad8\u786c\u5ea6\u3001\u5f3a\u5ea6\u548c\u8010\u78e8\u6027\uff0c\u9002\u7528\u4e8e\u5207\u524a\u5de5\u5177\u548c\u9ad8\u5e94\u529b\u90e8\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528 304 \u8fd8\u662f 440 \u4e0d\u9508\u94a2\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u5e94\u7528\u7684\u5177\u4f53\u8981\u6c42\u3002\u5bf9\u4e8e\u8010\u8150\u8680\u6027\u81f3\u5173\u91cd\u8981\u7684\u73af\u5883\uff0c304 \u4e0d\u9508\u94a2\u901a\u5e38\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002\u76f8\u53cd\uff0c\u5bf9\u4e8e\u8981\u6c42\u9ad8\u5f3a\u5ea6\u548c\u8010\u78e8\u6027\u7684\u5e94\u7528\uff0c440 \u4e0d\u9508\u94a2\u901a\u5e38\u66f4\u80dc\u4e00\u7b79\u3002<\/p>\n<h2 id=\"conclusion\">\u7ed3\u8bba<\/h2>\n<p><strong>\u7ed3\u8bba\uff1a303 \u4e0d\u9508\u94a2\u4e0e 440 \u4e0d\u9508\u94a2<\/strong><\/p>\n<h3>\u7279\u6027<\/h3>\n<ul>\n<li><strong>303 \u4e0d\u9508\u94a2\uff1a<\/strong> \u5965\u6c0f\u4f53\u94ec\u954d\u5408\u91d1\u7531\u4e8e\u6dfb\u52a0\u786b\u800c\u5177\u6709\u4f18\u5f02\u7684\u673a\u68b0\u52a0\u5de5\u6027\u3001\u826f\u597d\u7684\u6297\u6c27\u5316\u6027\u3001\u5149\u6ed1\u7684\u8868\u9762\u5149\u6d01\u5ea6\u3002<\/li>\n<li><strong>440\u4e0d\u9508\u94a2\uff1a<\/strong> \u9ad8\u78b3\u9a6c\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u5177\u6709\u8f83\u9ad8\u7684\u5f3a\u5ea6\u3001\u786c\u5ea6\u548c\u8010\u78e8\u6027\uff0c\u5206\u4e3a440A\u3001440B\u3001440C\u3002<\/li>\n<\/ul>\n<h3>\u4f18\u52bf<\/h3>\n<ul>\n<li><strong>303 \u4e0d\u9508\u94a2\uff1a<\/strong> \u673a\u68b0\u52a0\u5de5\u6027\u4f18\u826f\uff0c\u8868\u9762\u5149\u6d01\u5ea6\u597d\u3002<\/li>\n<li><strong>440\u4e0d\u9508\u94a2\uff1a<\/strong> \u4f18\u5f02\u7684\u786c\u5ea6\u548c\u8010\u78e8\u6027\uff0c\u9002\u7528\u4e8e\u9ad8\u5e94\u529b\u5e94\u7528\u3002<\/li>\n<\/ul>\n<h3>\u7f3a\u70b9<\/h3>\n<ul>\n<li><strong>303 \u4e0d\u9508\u94a2\uff1a<\/strong> \u6297\u8150\u8680\u6027\u80fd\u548c\u97e7\u6027\u964d\u4f4e\uff0c\u4e0d\u9002\u5408\u7528\u4e8e\u6076\u52a3\u73af\u5883\u3002<\/li>\n<li><strong>440\u4e0d\u9508\u94a2\uff1a<\/strong> \u4e0e\u4f4e\u78b3\u4e0d\u9508\u94a2\u76f8\u6bd4\uff0c\u52a0\u5de5\u56f0\u96be\uff0c\u8010\u8150\u8680\u6027\u8f83\u5dee\u3002<\/li>\n<\/ul>\n<h3>\u7528\u9014<\/h3>\n<ul>\n<li><strong>303 \u4e0d\u9508\u94a2\uff1a<\/strong> \u914d\u4ef6\u3001\u87ba\u4e1d\u3001\u87ba\u6bcd\u3001\u87ba\u6813\u3002<\/li>\n<li><strong>440\u4e0d\u9508\u94a2\uff1a<\/strong> \u9910\u5177\u3001\u8f74\u627f\u3001\u624b\u672f\u5668\u68b0\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0c303 \u548c 440 \u4e0d\u9508\u94a2\u4e4b\u95f4\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u5e94\u7528\u7684\u5177\u4f53\u8981\u6c42\uff0c\u5305\u62ec\u6240\u9700\u7684\u673a\u68b0\u6027\u80fd\u3001\u8010\u8150\u8680\u6027\u3001\u53ef\u52a0\u5de5\u6027\u4ee5\u53ca\u6750\u6599\u7684\u4f7f\u7528\u73af\u5883\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55 440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u4f18\u7f3a\u70b9 303 \u548c 440 \u4e0d\u9508\u94a2\u76f8\u5f53\u4e8e\u4ec0\u4e48\uff1f 440 \u4e0d\u9508\u94a2\u4e0e 303 \u4e0d\u9508\u94a2\u7684\u7528\u9014 303 \u4e0d\u9508\u94a2\u7684\u8010\u8150\u8680\u6027 303 \u4e0d\u9508\u94a2\u4e0e 440 \u4e0d\u9508\u94a2\u7684\u6210\u5206\u5206\u6790 303 \u4e0d\u9508\u94a2\u7684\u7269\u7406\u6027\u80fd 440 \u4e0d\u9508\u94a2\u7684\u673a\u68b0\u6027\u80fd [\u2026]<\/p>","protected":false},"author":1,"featured_media":4019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3943","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\/3943","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=3943"}],"version-history":[{"count":3,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3947,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/media\/4019"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/zh\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}