{"id":3261,"date":"2026-04-07T10:50:03","date_gmt":"2026-04-07T02:50:03","guid":{"rendered":"https:\/\/xzfastener.com\/?p=3261"},"modified":"2026-04-07T10:53:08","modified_gmt":"2026-04-07T02:53:08","slug":"a2-vs-a4-stainless-steel-fasteners-how-to-choose-the-right-one-for-your-project","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/zh\/a2-vs-a4-stainless-steel-fasteners-how-to-choose-the-right-one-for-your-project\/","title":{"rendered":"A2 \u4e0e A4 \u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\uff1a\u5982\u4f55\u4e3a\u60a8\u7684\u9879\u76ee\u9009\u62e9\u5408\u9002\u7684\u7d27\u56fa\u4ef6"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8&#8217;\u66fe\u7ecf\u8d2d\u4e70\u8fc7\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\uff0c\u90a3\u4e48\u60a8&#8217;\u51e0\u4e4e\u80af\u5b9a\u9047\u5230\u8fc7\u672f\u8bed&#8220;A2&#8221;\u548c&#8220;A4&#8221;\u3002\u8fd9\u662f\u5de5\u4e1a\u7d27\u56fa\u4ef6\u4e2d\u6700\u5e38\u7528\u7684\u4e24\u79cd\u7b49\u7ea7\uff0c\u4f46\u5b83\u4eec\u4e0d\u53ef\u4e92\u6362\u3002\u9009\u62e9\u9519\u8bef\u7684\u724c\u53f7\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8fc7\u65e9\u8150\u8680\u3001\u7ed3\u6784\u5931\u6548\u548c\u4e0d\u5fc5\u8981\u7684\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u672c\u6307\u5357\u5c06\u51c6\u786e\u89e3\u91ca A2 \u548c A4 \u4e0d\u9508\u94a2\u662f\u4ec0\u4e48\u3001\u5b83\u4eec\u5728\u6210\u5206\u548c\u6027\u80fd\u65b9\u9762\u6709\u4f55\u4e0d\u540c\u3001\u6bcf\u79cd\u6750\u6599\u5e94\u8be5\uff08\u548c\u4e0d\u5e94\u8be5\uff09\u5728\u54ea\u91cc\u4f7f\u7528\uff0c\u5e76\u63d0\u4f9b\u6e05\u6670\u7684\u51b3\u7b56\u6846\u67b6\uff0c\u5e2e\u52a9\u60a8\u4e3a\u60a8\u7684\u7279\u5b9a\u9879\u76ee\u505a\u51fa\u6b63\u786e\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u8981\u5185\u5bb9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f A2 \u548c A4 \u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\uff1f<\/h3>\n\n\n\n<p>A2 \u548c A4 \u662fISO 3506 \u6807\u51c6\u5b9a\u4e49\u7684\u8010\u8150\u8680\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\u7684\u540d\u79f0\u3002\u5b83\u4eec\u5206\u522b\u5bf9\u5e94\u4e8e\u5e7f\u6cdb\u8ba4\u53ef\u7684\u7f8e\u56fd\u94a2\u94c1\u534f\u4f1a (AISI) \u724c\u53f7 304 \u548c 316\u3002<\/p>\n\n\n\n<p>\u5b83\u4eec\u90fd\u662f\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5177\u6709\u9762\u5fc3\u7acb\u65b9\u6676\u4f53\u7ed3\u6784\uff0c\u5177\u6709\u51fa\u8272\u7684\u6210\u578b\u6027\u3001\u710a\u63a5\u6027\u548c\u8010\u8150\u8680\u6027\u3002\u5b83\u4eec\u5728\u9000\u706b\u72b6\u6001\u4e0b\u662f\u65e0\u78c1\u6027\u7684\uff0c\u4f46\u5728\u51b7\u52a0\u5de5\u540e\u4f1a\u53d8\u5f97\u8f7b\u5fae\u78c1\u6027\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A2 (AISI 304)<\/strong>\uff1a\u5168\u7403\u6700\u5e38\u7528\u7684\u4e0d\u9508\u94a2\u724c\u53f7\u3002\u5b83\u7ea6\u5360\u6240\u6709\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\u4ea7\u91cf\u768470%\u3002<\/li>\n\n\n\n<li><strong>A4 (AISI 316)<\/strong>\uff1a\u4e13\u4e3a\u63d0\u9ad8\u8010\u8150\u8680\u6027\u800c\u914d\u5236\u7684\u66f4\u9ad8\u5408\u91d1\u7b49\u7ea7\uff0c\u7279\u522b\u662f\u5728\u542b\u6c2f\u5316\u7269\u7684\u73af\u5883\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">A2 \u4e0e A4\uff1a\u6838\u5fc3\u5316\u5b66\u6210\u5206\u5dee\u5f02<\/h3>\n\n\n\n<p>A2 \u548c A4 \u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u7684\u5316\u5b66\u6210\u5206\uff0c\u7279\u522b\u662f\u5728 A4 \u4e2d\u6dfb\u52a0\u4e86\u94bc\u3002<\/p>\n\n\n\n<p>\u8868\u683c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u5143\u7d20<\/th><th class=\"has-text-align-center\" data-align=\"center\">A2 (304) \u4e0d\u9508\u94a2<\/th><th class=\"has-text-align-center\" data-align=\"center\">A4 (316) \u4e0d\u9508\u94a2<\/th><\/tr><\/thead><tbody><tr><td>\u94ec<\/td><td>18.0-20.0%<\/td><td>16.0-18.5%<\/td><\/tr><tr><td>\u954d<\/td><td>8.0-10.5%<\/td><td>10.0-14.0%<\/td><\/tr><tr><td>\u94bc<\/td><td>\u2264 0.75%<\/td><td>2.0-3.0%<\/td><\/tr><tr><td>\u78b3<\/td><td>\u2264 0.08%<\/td><td>\u2264 0.08%<\/td><\/tr><tr><td>\u9530<\/td><td>\u2264 2.0%<\/td><td>\u2264 2.0%<\/td><\/tr><tr><td>\u7845<\/td><td>\u2264 1.0%<\/td><td>\u2264 1.0%<\/td><\/tr><tr><td>\u78f7<\/td><td>\u2264 0.045%<\/td><td>\u2264 0.045%<\/td><\/tr><tr><td>\u786b\u78fa<\/td><td>\u2264 0.03%<\/td><td>\u2264 0.03%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A4 \u4e2d 2-3% \u7684\u94bc\u542b\u91cf\u6539\u53d8\u4e86\u6e38\u620f\u89c4\u5219\u3002\u5b83\u663e\u7740\u589e\u5f3a\u4e86\u5bf9\u6c2f\u5316\u7269\u5f15\u8d77\u7684\u70b9\u8680\u548c\u7f1d\u9699\u8150\u8680\u7684\u62b5\u6297\u529b\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48A4\u901a\u5e38\u88ab\u79f0\u4e3a&#8220;\u8239\u7528\u7ea7&#8221;\u4e0d\u9508\u94a2\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A2 \u4e0e A4\uff1a\u5173\u952e\u6027\u80fd\u7279\u5f81<\/h3>\n\n\n\n<p>\u867d\u7136\u4e0e\u78b3\u94a2\u76f8\u6bd4\uff0c\u8fd9\u4e24\u4e2a\u724c\u53f7\u90fd\u5177\u6709\u826f\u597d\u7684\u8010\u8150\u8680\u6027\uff0c\u4f46\u5b83\u4eec\u7684\u6027\u80fd\u5728\u7279\u5b9a\u73af\u5883\u4e2d\u5b58\u5728\u663e\u7740\u5dee\u5f02\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8010\u8150\u8680<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A2<\/strong>\uff1a\u5177\u6709\u51fa\u8272\u7684\u8010\u5927\u6c14\u8150\u8680\u3001\u6de1\u6c34\u3001\u5927\u591a\u6570\u6709\u673a\u9178\u548c\u5f31\u78b1\u6027\u6eb6\u6db2\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u5b83\u5728\u6c2f\u5316\u7269\u6d53\u5ea6\u9ad8\u7684\u73af\u5883\u4e2d\uff08\u4f8b\u5982\u6d77\u6c34\u3001\u9664\u51b0\u76d0\u548c\u8bb8\u591a\u5de5\u4e1a\u5316\u5b66\u54c1\uff09\u4f1a\u8150\u8680\u3002<\/li>\n\n\n\n<li><strong>A4<\/strong>\uff1a\u5177\u6709\u5353\u8d8a\u7684\u6297\u6c2f\u5316\u7269\u5f15\u8d77\u7684\u70b9\u8680\u548c\u7f1d\u9699\u8150\u8680\u80fd\u529b\u3002\u5b83\u53ef\u4ee5\u627f\u53d7\u957f\u65f6\u95f4\u66b4\u9732\u4e8e\u6d77\u6c34\u3001\u54b8\u6c34\u548c\u8bb8\u591a\u4f1a\u5feb\u901f\u964d\u89e3 A2 \u7684\u5de5\u4e1a\u5316\u5b66\u54c1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u673a\u68b0\u6027\u80fd<\/h4>\n\n\n\n<p>\u5728\u5ba4\u6e29\u4e0b\uff0cA2 \u548c A4 \u5728\u751f\u4ea7\u76f8\u540c\u5f3a\u5ea6\u7b49\u7ea7\uff08\u87ba\u6813\u548c\u87ba\u9489\u901a\u5e38\u4e3a 70 \u6216 80 \u7ea7\uff09\u65f6\u5177\u6709\u51e0\u4e4e\u76f8\u540c\u7684\u673a\u68b0\u6027\u80fd\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62c9\u4f38\u5f3a\u5ea6\uff1a700-800 N\/mm\u00b2\uff0870-80\u7ea7\uff09<\/li>\n\n\n\n<li>\u5c48\u670d\u5f3a\u5ea6\uff1a450-640 N\/mm\u00b2\uff0870-80 \u7ea7\uff09<\/li>\n\n\n\n<li>\u786c\u5ea6\uff1a200-250 HV<\/li>\n<\/ul>\n\n\n\n<p>\u7136\u800c\uff0cA4 \u5728\u9ad8\u6e29\u4e0b\uff08\u9ad8\u8fbe\u7ea6 870\u00b0C\uff0cA2 \u4e3a 815\u00b0C\uff09\u66f4\u597d\u5730\u4fdd\u6301\u5176\u5f3a\u5ea6\uff0c\u5e76\u4e14\u5728\u96f6\u5ea6\u4ee5\u4e0b\u7684\u6e29\u5ea6\u4e0b\u5177\u6709\u7a0d\u597d\u7684\u97e7\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6210\u672c<\/h4>\n\n\n\n<p>A4 \u7d27\u56fa\u4ef6\u901a\u5e38\u6bd4\u540c\u7b49 A2 \u7d27\u56fa\u4ef6\u8d35 30-50%\u3002\u8fd9\u79cd\u4ef7\u683c\u5dee\u5f02\u662f\u7531\u4e8e\u954d\u548c\u94bc\u542b\u91cf\u8f83\u9ad8\u4ee5\u53ca\u5236\u9020\u5de5\u827a\u66f4\u52a0\u590d\u6742\u9020\u6210\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u53ef\u7528\u6027<\/h4>\n\n\n\n<p>A2 \u7d27\u56fa\u4ef6\u51e0\u4e4e\u6709\u5404\u79cd\u5c3a\u5bf8\u3001\u87ba\u7eb9\u7c7b\u578b\u548c\u5934\u90e8\u6837\u5f0f\u53ef\u4f9b\u9009\u62e9\u3002 A4 \u7d27\u56fa\u4ef6\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f46\u5728\u8d85\u5927\u5c3a\u5bf8\u6216\u7279\u6b8a\u5934\u90e8\u6837\u5f0f\u65b9\u9762\u7684\u9009\u62e9\u53ef\u80fd\u66f4\u4e3a\u6709\u9650\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A2 \u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\uff1a\u7406\u60f3\u5e94\u7528\u548c\u9650\u5236<\/h3>\n\n\n\n<p>A2 \u662f\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\u7684\u4e3b\u529b\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u4e0d\u9700\u8981\u6781\u9ad8\u8010\u8150\u8680\u6027\u7684\u901a\u7528\u5e94\u7528\u6765\u8bf4\uff0c\u5b83\u662f\u6700\u4f73\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">A2 \u7d27\u56fa\u4ef6\u7684\u6700\u4f73\u5e94\u7528<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba4\u5185\u65bd\u5de5\u53ca\u5bb6\u5177\u7ec4\u88c5<\/li>\n\n\n\n<li>\u4f4e\u6c61\u67d3\u519c\u6751\u6216\u90ca\u533a\u7684\u6237\u5916\u5e94\u7528<\/li>\n\n\n\n<li>\u98df\u54c1\u52a0\u5de5\u8bbe\u5907\uff08\u975e\u76d0\u73af\u5883\uff09<\/li>\n\n\n\n<li>\u53a8\u623f\u7528\u5177\u548c\u56fa\u5b9a\u88c5\u7f6e<\/li>\n\n\n\n<li>\u6c7d\u8f66\u96f6\u90e8\u4ef6\uff08\u4e0d\u5305\u62ec\u66b4\u9732\u5728\u9053\u8def\u76d0\u4e0b\u7684\u8f66\u8eab\u5e95\u90e8\u90e8\u4ef6\uff09<\/li>\n\n\n\n<li>\u6696\u901a\u7a7a\u8c03\u7cfb\u7edf<\/li>\n\n\n\n<li>\u4e00\u822c\u5de5\u4e1a\u673a\u68b0<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">A2 \u4e0d\u5e94\u4f7f\u7528\u7684\u573a\u5408<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ddd\u6d77\u6d0b 5 \u516c\u91cc\u4ee5\u5185\u7684\u6cbf\u6d77\u6216\u6d77\u6d0b\u73af\u5883<\/li>\n\n\n\n<li>\u7ecf\u5e38\u4f7f\u7528\u9664\u51b0\u76d0\u7684\u533a\u57df<\/li>\n\n\n\n<li>\u5904\u7406\u6c2f\u5316\u7269\u6216\u9178\u7684\u5316\u5b66\u52a0\u5de5\u5382<\/li>\n\n\n\n<li>\u6e38\u6cf3\u6c60\u8bbe\u5907\u548c\u7ed3\u6784<\/li>\n\n\n\n<li>\u5e9f\u6c34\u5904\u7406\u8bbe\u65bd<\/li>\n\n\n\n<li>\u4efb\u4f55\u5c06\u7d27\u56fa\u4ef6\u57cb\u5728\u542b\u6709\u6c2f\u5316\u7269\u7684\u571f\u58e4\u4e2d\u7684\u5e94\u7528<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">A4 \u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\uff1a\u7406\u60f3\u5e94\u7528\u548c\u9650\u5236<\/h3>\n\n\n\n<p>A4 \u662f\u8010\u8150\u8680\u6027\u81f3\u5173\u91cd\u8981\u7684\u5e94\u7528\u7684\u6700\u4f73\u9009\u62e9\u3002\u867d\u7136\u4ef7\u683c\u66f4\u9ad8\uff0c\u4f46\u5b83\u53ef\u4ee5\u9632\u6b62\u4ee3\u4ef7\u9ad8\u6602\u7684\u6545\u969c\u5e76\u51cf\u5c11\u6076\u52a3\u73af\u5883\u4e2d\u7684\u7ef4\u62a4\u8981\u6c42\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">A4 \u7d27\u56fa\u4ef6\u7684\u6700\u4f73\u5e94\u7528<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8239\u8236\u548c\u8fd1\u6d77\u8bbe\u5907<\/li>\n\n\n\n<li>\u6cbf\u6d77\u5efa\u8bbe\u548c\u57fa\u7840\u8bbe\u65bd<\/li>\n\n\n\n<li>\u4f7f\u7528\u9664\u51b0\u76d0\u7684\u5730\u533a\u7684\u6865\u6881\u548c\u9053\u8def<\/li>\n\n\n\n<li>\u6e38\u6cf3\u6c60\u7ed3\u6784\u548c\u8bbe\u5907<\/li>\n\n\n\n<li>\u5316\u5b66\u52a0\u5de5\u5382<\/li>\n\n\n\n<li>\u5e9f\u6c34\u5904\u7406\u8bbe\u65bd<\/li>\n\n\n\n<li>\u5904\u7406\u76d0\u6c34\u6216\u54b8\u98df\u54c1\u7684\u98df\u54c1\u52a0\u5de5\u8bbe\u5907<\/li>\n\n\n\n<li>\u533b\u7597\u5668\u68b0\u548c\u624b\u672f\u5668\u68b0<\/li>\n\n\n\n<li>\u5de5\u4e1a\u6216\u6c61\u67d3\u5730\u533a\u7684\u6237\u5916\u8bbe\u5907<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e0d\u5e94\u8be5\u4f7f\u7528 A4 \u7684\u5730\u65b9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901a\u7528\u5ba4\u5185\u5e94\u7528\uff08\u8fc7\u5ea6\u6740\u4f24\u548c\u4e0d\u5fc5\u8981\u7684\u8d39\u7528\uff09<\/li>\n\n\n\n<li>\u5728 870\u00b0C \u4ee5\u4e0a\u6e29\u5ea6\u4e0b\u9700\u8981\u9ad8\u5f3a\u5ea6\u7684\u5e94\u7528<\/li>\n\n\n\n<li>\u5f3a\u8fd8\u539f\u9178\u73af\u5883\uff08\u5982\u9ad8\u6d53\u5ea6\u76d0\u9178\uff09<\/li>\n\n\n\n<li>\u5f02\u79cd\u91d1\u5c5e\u7684\u7535\u5076\u8150\u8680\u662f\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u7684\u5e94\u7528\uff08A4 \u6bd4 A2 \u7a0d\u5fae\u66f4\u60f0\u6027\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u9009\u62e9 A2 \u548c A4\uff1a7 \u4e2a\u5173\u952e\u51b3\u7b56\u56e0\u7d20<\/h3>\n\n\n\n<p>\u4f7f\u7528\u6b64\u5206\u6b65\u6846\u67b6\u4e3a\u60a8\u7684\u9879\u76ee\u505a\u51fa\u6b63\u786e\u7684\u9009\u62e9\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u8bc4\u4f30\u8150\u8680\u73af\u5883<\/h4>\n\n\n\n<p>\u8fd9\u662f\u6700\u91cd\u8981\u7684\u4e00\u4e2a\u56e0\u7d20\u3002\u95ee\u95ee\u81ea\u5df1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7d27\u56fa\u4ef6\u662f\u5426\u4f1a\u66b4\u9732\u5728\u76d0\u6c34\u3001\u5fae\u54b8\u6c34\u6216\u9664\u51b0\u76d0\u4e2d\uff1f<\/li>\n\n\n\n<li>\u4ed6\u4eec\u4f1a\u63a5\u89e6\u5de5\u4e1a\u5316\u5b66\u54c1\u6216\u6e05\u6d01\u5242\u5417\uff1f<\/li>\n\n\n\n<li>\u6e7f\u5ea6\u548c\u6e29\u5ea6\u8303\u56f4\u662f\u591a\u5c11\uff1f<\/li>\n\n\n\n<li>\u7d27\u56fa\u4ef6\u662f\u5426\u4f1a\u53d7\u5230\u53ef\u80fd\u79ef\u805a\u6c34\u5206\u7684\u7f1d\u9699\u6761\u4ef6\u7684\u5f71\u54cd\uff1f<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u4ee5\u4e0a\u4efb\u4f55\u4e00\u4e2a\u95ee\u9898\u7684\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u90a3\u4e48 A4 \u51e0\u4e4e\u80af\u5b9a\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u8003\u8651\u9879\u76ee\u7684\u751f\u547d\u5468\u671f<\/h4>\n\n\n\n<p>\u5bf9\u4e8e\u4e34\u65f6\u7ed3\u6784\u6216\u5bff\u547d\u5c11\u4e8e 5 \u5e74\u7684\u9879\u76ee\uff0c\u5373\u4f7f\u5728\u4e2d\u7b49\u8150\u8680\u6027\u73af\u5883\u4e2d\uff0cA2 \u4e5f\u53ef\u80fd\u8db3\u591f\u3002\u5bf9\u4e8e\u9884\u8ba1\u4f7f\u7528\u5bff\u547d 10 \u5e74\u4ee5\u4e0a\u7684\u6c38\u4e45\u6027\u7ed3\u6784\u6216\u8bbe\u5907\uff0c\u5728\u8003\u8651\u603b\u751f\u547d\u5468\u671f\u6210\u672c\u65f6\uff0cA4 \u901a\u5e38\u662f\u66f4\u7ecf\u6d4e\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u8bc4\u4f30\u7ed3\u6784\u91cd\u8981\u6027<\/h4>\n\n\n\n<p>\u5982\u679c\u7d27\u56fa\u4ef6\u6545\u969c\u53ef\u80fd\u5bfc\u81f4\u4eba\u8eab\u4f24\u5bb3\u3001\u91cd\u5927\u8d22\u4ea7\u635f\u5931\u6216\u4ee3\u4ef7\u9ad8\u6602\u7684\u505c\u673a\u65f6\u95f4\uff0c\u8bf7\u52a1\u5fc5\u8c28\u614e\u884c\u4e8b\uff0c\u5728\u4e34\u754c\u60c5\u51b5\u4e0b\u9009\u62e9 A4\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u8ba1\u7b97\u603b\u62e5\u6709\u6210\u672c<\/h4>\n\n\n\n<p>\u867d\u7136 A4 \u7d27\u56fa\u4ef6\u7684\u524d\u671f\u6210\u672c\u8f83\u9ad8\uff0c\u4f46\u4ece\u957f\u8fdc\u6765\u770b\uff0c\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8282\u7701\u8d44\u91d1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e0\u9700\u9891\u7e41\u66f4\u6362<\/li>\n\n\n\n<li>\u964d\u4f4e\u7ef4\u62a4\u6210\u672c<\/li>\n\n\n\n<li>\u9632\u6b62\u56e0\u7d27\u56fa\u4ef6\u6545\u969c\u800c\u9020\u6210\u4ee3\u4ef7\u9ad8\u6602\u7684\u505c\u673a<\/li>\n\n\n\n<li>\u907f\u514d\u7d27\u56fa\u4ef6\u8150\u8680\u9020\u6210\u7ed3\u6784\u635f\u574f<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. \u68c0\u67e5\u76d1\u7ba1\u548c\u884c\u4e1a\u8981\u6c42<\/h4>\n\n\n\n<p>\u67d0\u4e9b\u884c\u4e1a\u5bf9\u7d27\u56fa\u4ef6\u6750\u6599\u6709\u7279\u5b9a\u8981\u6c42\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d77\u6d0b\u5de5\u4e1a\u901a\u5e38\u8981\u6c42\u91c7\u7528 A4 \u4e0d\u9508\u94a2<\/li>\n\n\n\n<li>\u98df\u54c1\u548c\u5236\u836f\u884c\u4e1a\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7b49\u7ea7<\/li>\n\n\n\n<li>\u6cbf\u6d77\u5730\u533a\u7684\u5efa\u7b51\u89c4\u8303\u53ef\u80fd\u89c4\u5b9a\u7ed3\u6784\u7d27\u56fa\u4ef6\u91c7\u7528 A4<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">6. \u8bc4\u4f30\u53ef\u7528\u6027\u548c\u4ea4\u8d27\u65f6\u95f4<\/h4>\n\n\n\n<p>\u5bf9\u4e8e\u7d27\u6025\u9879\u76ee\uff0c\u8bf7\u68c0\u67e5\u6240\u9700\u5c3a\u5bf8\u548c\u6837\u5f0f\u7684 A4 \u7d27\u56fa\u4ef6\u7684\u53ef\u7528\u6027\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cA2\u53ef\u80fd\u662f\u552f\u4e00\u53ef\u4ee5\u5feb\u901f\u4ea4\u4ed8\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">7. \u8003\u8651\u7535\u6d41\u517c\u5bb9\u6027<\/h4>\n\n\n\n<p>\u786e\u4fdd\u7d27\u56fa\u4ef6\u6750\u6599\u4e0e\u6240\u8fde\u63a5\u7684\u6750\u6599\u517c\u5bb9\u3002 A2 \u548c A4 \u5f7c\u6b64\u517c\u5bb9\uff0c\u5e76\u4e14\u4e0e\u5927\u591a\u6570\u5176\u4ed6\u4e0d\u9508\u94a2\u517c\u5bb9\u3002\u7136\u800c\uff0c\u5f53\u5b83\u4eec\u5728\u6f6e\u6e7f\u73af\u5883\u4e2d\u4e0e\u94dd\u3001\u9541\u6216\u9540\u950c\u94a2\u76f4\u63a5\u63a5\u89e6\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7535\u5076\u8150\u8680\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9009\u62e9\u4e0d\u9508\u94a2\u7d27\u56fa\u4ef6\u65f6\u6700\u5e38\u89c1\u7684 3 \u4e2a\u9519\u8bef<\/h3>\n\n\n\n<p>\u907f\u514d\u8bb8\u591a\u4e70\u5bb6\u72af\u7684\u8fd9\u4e9b\u4ee3\u4ef7\u9ad8\u6602\u7684\u9519\u8bef\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u5047\u8bbe&#8220;\u4e0d\u9508\u94a2\u8868\u793a\u9632\u9508&#8221;<\/h4>\n\n\n\n<p>\u6ca1\u6709\u4e00\u79cd\u4e0d\u9508\u94a2\u662f\u5b8c\u5168\u9632\u9508\u7684\u3002\u6240\u6709\u4e0d\u9508\u94a2\u5728\u9002\u5f53\u7684\u6761\u4ef6\u4e0b\u90fd\u4f1a\u8150\u8680\u3002\u5728\u542b\u6c2f\u5316\u7269\u7684\u73af\u5883\u4e2d\uff0cA2 \u7684\u751f\u9508\u901f\u5ea6\u6bd4 A4 \u5feb\u5f97\u591a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u59cb\u7ec8\u9009\u62e9\u6700\u4fbf\u5b9c\u7684\u9009\u62e9<\/h4>\n\n\n\n<p>\u5728\u9700\u8981 A4 \u7684\u5730\u65b9\u4f7f\u7528 A2 \u7d27\u56fa\u4ef6\u662f\u4e00\u79cd\u9519\u8bef\u7684\u8282\u7ea6\u3002\u66f4\u6362\u8150\u8680\u7684\u7d27\u56fa\u4ef6\u548c\u4fee\u590d\u5176\u9020\u6210\u7684\u4efb\u4f55\u635f\u574f\u7684\u6210\u672c\u51e0\u4e4e\u603b\u662f\u8fdc\u9ad8\u4e8e\u6700\u521d\u8282\u7701\u7684\u6210\u672c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u4e3a\u6bcf\u4e2a\u5e94\u7528\u8fc7\u5ea6\u6307\u5b9a A4<\/h4>\n\n\n\n<p>\u867d\u7136 A4 \u66f4\u8010\u8150\u8680\uff0c\u4f46\u5e76\u975e\u6240\u6709\u5e94\u7528\u90fd\u9700\u8981\u5b83\u3002\u5728\u5ba4\u5185\u6216\u6e29\u548c\u73af\u5883\u4e2d\u4f7f\u7528 A4 \u7d27\u56fa\u4ef6\u4e0d\u4ec5\u6d6a\u8d39\u91d1\u94b1\uff0c\u800c\u4e14\u6ca1\u6709\u4efb\u4f55\u5b9e\u9645\u597d\u5904\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8981\u70b9<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>A2 (304) \u662f\u901a\u7528\u4e3b\u529b<\/strong> \u9002\u7528\u4e8e\u5927\u591a\u6570\u5ba4\u5185\u548c\u6e29\u548c\u7684\u5ba4\u5916\u5e94\u7528\uff0c\u4ee5\u5b9e\u60e0\u7684\u4ef7\u683c\u63d0\u4f9b\u826f\u597d\u7684\u8010\u8150\u8680\u6027\u3002<\/li>\n\n\n\n<li><strong>A4 (316) \u662f\u4f18\u8d28\u8010\u8150\u8680\u7b49\u7ea7<\/strong> \u542b\u6709\u94bc\uff0c\u56e0\u6b64\u5bf9\u4e8e\u63a5\u89e6\u6c2f\u5316\u7269\u7684\u6cbf\u6d77\u3001\u6d77\u6d0b\u548c\u5de5\u4e1a\u73af\u5883\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n<li><strong>\u8150\u8680\u73af\u5883\u662f\u9996\u8981\u51b3\u5b9a\u56e0\u7d20<\/strong>\u3002\u5982\u679c\u7d27\u56fa\u4ef6\u5c06\u66b4\u9732\u4e8e\u76d0\u6c34\u3001\u9664\u51b0\u76d0\u6216\u5de5\u4e1a\u5316\u5b66\u54c1\u4e2d\uff0c\u8bf7\u9009\u62e9 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These are the two most common grades used in industrial fasteners, but they are not interchangeable. Choosing the wrong grade can lead to premature corrosion, structural failure, and unnecessary costs. This guide will explain exactly what A2 and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[109],"tags":[],"class_list":["post-3261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-guides"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/3261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/comments?post=3261"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/3261\/revisions"}],"predecessor-version":[{"id":3262,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/3261\/revisions\/3262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media\/3263"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media?parent=3261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/categories?post=3261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/tags?post=3261"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}