{"id":3877,"date":"2024-06-26T13:55:20","date_gmt":"2024-06-26T13:55:20","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3877"},"modified":"2024-06-27T10:13:50","modified_gmt":"2024-06-27T10:13:50","slug":"303-and-304-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/zh\/bolg\/303-and-304-stainless-steel\/","title":{"rendered":"303 \u4e0d\u9508\u94a2\u548c 304 \u4e0d\u9508\u94a2\u4e4b\u95f4\u7684 10 \u4e2a\u4e3b\u8981\u533a\u522b"},"content":{"rendered":"<p>\u5728 <a href=\"https:\/\/machining-quote.com\/zh\/\">\u52a0\u5de5\u62a5\u4ef7<\/a>, we often encounter a range of materials in our manufacturing processes that each offer unique properties and challenges. Two such materials are stainless steel grades 303 and 304, which are commonly used in the industry but serve different purposes due to their distinct characteristics. In this blog post, we&#8217;ll explore the key differences between stainless steel 303 and 304, providing insights that can help you, as a professional in the manufacturing or mechanical design field, make informed decisions about the most suitable material for your projects.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\">\u5bfc\u8a00<\/h2>\n\n\n\n<p>\u4e0d\u9508\u94a2\u662f\u4e00\u79cd\u7528\u9014\u6781\u4e3a\u5e7f\u6cdb\u7684\u6750\u6599\uff0c\u7531\u4e8e\u5176\u5f3a\u5ea6\u3001\u8010\u8150\u8680\u6027\u548c\u7f8e\u89c2\u6027\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u4e2a\u884c\u4e1a\u3002\u7279\u522b\u662f 303 \u548c 304 \u7b49\u7ea7\uff0c\u56e0\u5176\u53ef\u52a0\u5de5\u6027\u548c\u8010\u7528\u6027\u4e4b\u95f4\u7684\u5e73\u8861\u800c\u53d7\u5230\u9752\u7750\u3002\u4e86\u89e3\u8fd9\u4e24\u4e2a\u7b49\u7ea7\u4e4b\u95f4\u7684\u7ec6\u5fae\u5dee\u522b\u53ef\u4ee5\u6781\u5927\u5730\u5f71\u54cd\u9879\u76ee\u7684\u6027\u80fd\u548c\u5bff\u547d\u3002\u672c\u6587\u5c06\u4ee5\u6e05\u6670\u3001\u8be6\u7ec6\u7684\u65b9\u5f0f\u5256\u6790\u8fd9\u4e9b\u5dee\u5f02\uff0c\u4ee5\u6307\u5bfc\u60a8\u7684\u6750\u6599\u9009\u62e9\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"contextual-overview-of-stainless-steel-303-and-304\"><strong>303 \u548c 304 \u4e0d\u9508\u94a2\u7684\u80cc\u666f\u6982\u8ff0<\/strong><\/h3>\n\n\n\n<p>303 \u548c 304 \u4e0d\u9508\u94a2\u90fd\u5c5e\u4e8e 300 \u7cfb\u5217\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u4e3b\u8981\u7531\u94ec\u548c\u954d\u5408\u91d1\u6784\u6210\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u6210\u5206\u548c\u6027\u80fd\u5b58\u5728\u7ec6\u5fae\u5dee\u5f02\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"composition-differences\"><strong>\u6210\u5206\u5dee\u5f02<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"chemical-composition\"><strong>\u5316\u5b66\u6210\u5206<\/strong><\/h3>\n\n\n\n<p>303 \u4e0d\u9508\u94a2\u6dfb\u52a0\u4e86\u786b\uff0c\u8fd9\u63d0\u9ad8\u4e86\u5176\u53ef\u52a0\u5de5\u6027\uff0c\u4f46\u4e0e 304 \u76f8\u6bd4\uff0c\u5176\u8010\u8150\u8680\u6027\u7565\u6709\u964d\u4f4e\u3002\u4ee5\u4e0b\u662f\u6bcf\u79cd\u4e0d\u9508\u94a2\u4e2d\u4e3b\u8981\u5316\u5b66\u5143\u7d20\u7684\u7ec6\u76ee\u5206\u7c7b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>303 \u4e0d\u9508\u94a2<\/strong>\uff1a\u901a\u5e38\u542b\u94ec\u7ea617-19%\uff0c\u542b\u954d\u7ea68-10%\uff0c\u786b\u542b\u91cf\u8f83\u9ad8\uff0c\u7ea60.15%\u4ee5\u4e0a\u3002<\/li>\n\n\n\n<li><strong>304 \u4e0d\u9508\u94a2<\/strong>\uff1a\u8be5\u7b49\u7ea7\u5305\u62ec\u7ea6 18-20% \u94ec\u548c 8-12% \u954d\uff0c\u786b\u542b\u91cf\u975e\u5e38\u4f4e\uff0c\u901a\u5e38\u4f4e\u4e8e 0.03%\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"table-of-chemical-differences\"><strong>\u5316\u5b66\u5dee\u5f02\u8868<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8981\u7d20<\/th><th>303 \u4e0d\u9508\u94a2<\/th><th>304 \u4e0d\u9508\u94a2<\/th><\/tr><\/thead><tbody><tr><td>\u94ec<\/td><td>17-19%<\/td><td>18-20%<\/td><\/tr><tr><td>\u954d<\/td><td>8-10%<\/td><td>8-12%<\/td><\/tr><tr><td>\u786b\u78fa<\/td><td>0.15%<\/td><td>&lt;0.03%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"corrosion-resistance\"><strong>\u8010\u8150\u8680\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"impact-of-chemical-composition\"><strong>\u5316\u5b66\u6210\u5206\u7684\u5f71\u54cd<\/strong><\/h3>\n\n\n\n<p>304 \u4e0d\u9508\u94a2\u7684\u786b\u542b\u91cf\u8f83\u4f4e\uff0c\u56e0\u6b64\u66f4\u8010\u8150\u8680\uff0c\u7279\u522b\u662f\u8010\u6c27\u5316\uff0c\u8fd9\u5728\u66b4\u9732\u4e8e\u9178\u6027\u73af\u5883\u6216\u536b\u751f\u8981\u6c42\u8f83\u9ad8\u7684\u73af\u5883\u4e2d\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"practical-implications-in-industrial-use\"><strong>\u5de5\u4e1a\u7528\u9014\u7684\u5b9e\u9645\u610f\u4e49<\/strong><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u98df\u54c1\u52a0\u5de5\u6216\u6d77\u6d0b\u5e94\u7528\u7b49\u73af\u5883\uff0c304 \u901a\u5e38\u662f\u9996\u9009\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u589e\u5f3a\u7684\u8010\u8150\u8680\u6027\u3002\u53e6\u4e00\u65b9\u9762\uff0c303 \u7684\u53ef\u52a0\u5de5\u6027\u4f7f\u5176\u6210\u4e3a\u9700\u8981\u5927\u91cf\u52a0\u5de5\u7684\u9879\u76ee\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"machinability\"><strong>\u673a\u68b0\u52a0\u5de5\u6027\u80fd<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"sulfur-s-role\"><strong>\u786b\u7684\u4f5c\u7528<\/strong><\/h3>\n\n\n\n<p>303 \u4e2d\u7684\u786b\u6dfb\u52a0\u8d77\u5230\u6da6\u6ed1\u5242\u7684\u4f5c\u7528\uff0c\u53ef\u51cf\u5c11\u5207\u524a\u5de5\u5177\u7684\u963b\u529b\u5e76\u63d0\u9ad8\u52a0\u5de5\u901f\u5ea6\u800c\u4e0d\u4f1a\u635f\u574f\u94a2\u6750\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"considerations-for-machining-projects\"><strong>\u673a\u68b0\u52a0\u5de5\u9879\u76ee\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u9700\u8981\u9ad8\u901f\u52a0\u5de5\u7684\u9879\u76ee\uff0c303 \u662f\u6700\u4f73\u9009\u62e9\u3002\u8fd9\u4f7f\u5f97\u5b83\u5728\u5236\u9020\u914d\u4ef6\u3001\u87ba\u4e1d\u548c\u5176\u4ed6\u7cbe\u5ea6\u548c\u751f\u4ea7\u901f\u5ea6\u81f3\u5173\u91cd\u8981\u7684\u90e8\u4ef6\u65f6\u7279\u522b\u53d7\u6b22\u8fce\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cost-and-availability\"><strong>\u6210\u672c\u548c\u53ef\u7528\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"market-factors-influencing-price\"><strong>\u5f71\u54cd\u4ef7\u683c\u7684\u5e02\u573a\u56e0\u7d20<\/strong><\/h3>\n\n\n\n<p>\u867d\u7136\u8fd9\u4e24\u79cd\u7b49\u7ea7\u7684\u6750\u6599\u901a\u5e38\u90fd\u5f88\u5e38\u89c1\uff0c\u4f46 303 \u6750\u6599\u7531\u4e8e\u5176\u7279\u6b8a\u7684\u52a0\u5de5\u7279\u6027\u800c\u5f80\u5f80\u4ef7\u683c\u7a0d\u8d35\u4e00\u4e9b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"budgeting-for-material-costs\"><strong>\u6750\u6599\u6210\u672c\u9884\u7b97<\/strong><\/h3>\n\n\n\n<p>\u5728\u89c4\u5212\u9879\u76ee\u65f6\uff0c\u91cd\u8981\u7684\u662f\u8981\u8003\u8651\u4f7f\u7528\u66f4\u8010\u8150\u8680\u7b49\u7ea7\u7684\u957f\u671f\u5229\u76ca\u4e0e\u4f7f\u7528\u66f4\u6613\u52a0\u5de5\u7b49\u7ea7\u53ef\u80fd\u5b9e\u73b0\u7684\u77ed\u671f\u8282\u7ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"weldability\"><strong>\u710a\u63a5\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"challenges-with-welding-303\"><strong>\u710a\u63a5\u6311\u6218 303<\/strong><\/h3>\n\n\n\n<p>\u786b\u5143\u7d20\u53ef\u4ee5\u63d0\u9ad8 303 \u7684\u673a\u68b0\u52a0\u5de5\u6027\uff0c\u4f46\u4e5f\u4f1a\u5bf9\u710a\u63a5\u9020\u6210\u6311\u6218\uff0c\u5bfc\u81f4\u70ed\u88c2\u7eb9\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u9700\u8981\u710a\u63a5\u7684\u5e94\u7528\uff0c304 \u901a\u5e38\u662f\u9996\u9009\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"welding-techniques-for-304\"><strong>304 \u710a\u63a5\u6280\u672f<\/strong><\/h3>\n\n\n\n<p>304 \u53ef\u4ee5\u4f7f\u7528\u6700\u5e38\u89c1\u7684\u6280\u672f\u8fdb\u884c\u710a\u63a5\uff0c\u5305\u62ec TIG\u3001MIG \u548c\u7535\u963b\u710a\uff0c\u800c\u65e0\u9700\u8fdb\u884c\u710a\u524d\u51c6\u5907\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"formability\"><strong>\u6210\u578b\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"comparing-formability\"><strong>\u6bd4\u8f83\u6210\u5f62\u6027<\/strong><\/h3>\n\n\n\n<p>304 \u901a\u5e38\u6bd4 303 \u66f4\u5177\u5ef6\u5c55\u6027\uff0c\u53ef\u4ee5\u5f62\u6210\u66f4\u590d\u6742\u7684\u5f62\u72b6\u800c\u4e0d\u4f1a\u5f00\u88c2\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"applications-requiring-high-formability\"><strong>\u9700\u8981\u9ad8\u6210\u5f62\u6027\u7684\u5e94\u7528<\/strong><\/h3>\n\n\n\n<p>\u5728\u91d1\u5c5e\u6210\u578b\u81f3\u5173\u91cd\u8981\u7684\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982\u5b9a\u5236\u5916\u58f3\u6216\u53a8\u623f\u8bbe\u5907\uff0c304 \u7684\u5353\u8d8a\u6210\u578b\u6027\u5c06\u662f\u6709\u76ca\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"industrial-applications\"><strong>\u5de5\u4e1a\u5e94\u7528<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"optimal-uses-for-303-and-304\"><strong>303 \u548c 304 \u7684\u6700\u4f73\u7528\u9014<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>303 \u5e94\u7528\u7a0b\u5e8f<\/strong>\uff1a\u6700\u9002\u5408\u9700\u8981\u9ad8\u901f\u52a0\u5de5\u7684\u96f6\u4ef6\uff0c\u5982\u87ba\u6bcd\u3001\u87ba\u6813\u548c\u7d27\u56fa\u4ef6\u3002<\/li>\n\n\n\n<li><strong>304 \u5e94\u7528\u7a0b\u5e8f<\/strong>\uff1a\u975e\u5e38\u9002\u5408\u9700\u8981\u4f18\u5f02\u8010\u8150\u8680\u6027\u80fd\u7684\u5e94\u7528\uff0c\u5982\u53a8\u623f\u7528\u5177\u3001\u5316\u5b66\u5bb9\u5668\u548c\u6d77\u6d0b\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heat-resistance\"><strong>\u8010\u70ed\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"temperature-thresholds\"><strong>\u6e29\u5ea6\u9608\u503c<\/strong><\/h3>\n\n\n\n<p>304 \u4e0d\u9508\u94a2\u53ef\u4ee5\u627f\u53d7\u6bd4 303 \u66f4\u9ad8\u7684\u6e29\u5ea6\uff0c\u5728\u66f4\u6781\u7aef\u7684\u6761\u4ef6\u4e0b\u4e5f\u80fd\u4fdd\u6301\u5176\u7ed3\u6784\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"thermal-applications\"><strong>\u70ed\u5e94\u7528<\/strong><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u6d89\u53ca\u9ad8\u6e29\u7684\u9879\u76ee\uff0c\u4f8b\u5982\u70ed\u4ea4\u6362\u5668\u6216\u6392\u6c14\u7cfb\u7edf\uff0c304 \u662f\u9996\u9009\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"strength-and-durability\"><strong>\u5f3a\u5ea6\u548c\u8010\u7528\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"comparative-strength\"><strong>\u6bd4\u8f83\u5f3a\u5ea6<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u7b49\u7ea7\u90fd\u4ee5\u5176\u8010\u7528\u6027\u800c\u95fb\u540d\uff0c\u4f46 304 \u7684\u8f83\u4f4e\u786b\u542b\u91cf\u901a\u5e38\u4f7f\u5176\u5728\u6574\u4f53\u5f3a\u5ea6\u548c\u5f39\u6027\u65b9\u9762\u7565\u6709\u4f18\u52bf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mechanical-properties\"><strong>\u673a\u68b0\u6027\u80fd<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7269\u4e1a<\/th><th>303 \u4e0d\u9508\u94a2<\/th><th>304 \u4e0d\u9508\u94a2<\/th><\/tr><\/thead><tbody><tr><td>\u62c9\u4f38\u5f3a\u5ea6\uff08\u5146\u5e15\uff09<\/td><td>620<\/td><td>620-650<\/td><\/tr><tr><td>\u5c48\u670d\u5f3a\u5ea6\uff08\u5146\u5e15\uff09<\/td><td>240<\/td><td>290<\/td><\/tr><tr><td>\u4f38\u957f\u7387 (%)<\/td><td>30<\/td><td>40<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"magnetic-properties\"><strong>\u78c1\u6027\u80fd<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"magnetism-in-austenitic-steels\"><strong>\u5965\u6c0f\u4f53\u94a2\u4e2d\u7684\u78c1\u6027<\/strong><\/h3>\n\n\n\n<p>\u7531\u4e8e 303 \u548c 304 \u5747\u4e3a\u5965\u6c0f\u4f53\u7ed3\u6784\uff0c\u56e0\u6b64\u78c1\u6027\u90fd\u4e0d\u5f3a\u3002\u4f46\u662f\uff0c\u51b7\u52a0\u5de5\u6216\u710a\u63a5\u4f1a\u4f7f\u4e24\u8005\u4ea7\u751f\u8f7b\u5fae\u7684\u78c1\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"specific-applications\"><strong>\u5177\u4f53\u5e94\u7528<\/strong><\/h4>\n\n\n\n<p>\u5bf9\u4e8e\u9700\u8981\u975e\u78c1\u6027\u6750\u6599\u7684\u5e94\u7528\uff0c\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e24\u79cd\u7b49\u7ea7\uff0c\u4f46\u5728\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u9700\u8981\u5c0f\u5fc3\u5904\u7406\u4ee5\u4fdd\u6301\u8fd9\u79cd\u7279\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"social-proof-and-authority\"><strong>\u793e\u4f1a\u8ba4\u540c\u548c\u6743\u5a01<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"expert-opinions\"><strong>\u4e13\u5bb6\u610f\u89c1<\/strong><\/h3>\n\n\n\n<p>\u636e\u4e13\u95e8\u7814\u7a76\u4e0d\u9508\u94a2\u7684\u6750\u6599\u79d1\u5b66\u5bb6 James M. 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