{"id":8805,"date":"2025-06-15T02:00:17","date_gmt":"2025-06-15T02:00:17","guid":{"rendered":"https:\/\/premiumalu.com\/7021-aluminum-the-ultimate-guide-to-its-uses\/"},"modified":"2026-10-08T03:22:52","modified_gmt":"2026-10-08T03:22:52","slug":"7021-%e9%93%9d%e6%9d%90%e7%94%a8%e9%80%94%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/zh\/7021-aluminum-the-ultimate-guide-to-its-uses\/","title":{"rendered":"7021\u94dd\u5408\u91d1\uff1a\u6027\u80fd\u3001\u72b6\u6001\u4e0e\u52a0\u5de5\u6307\u5357"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f 7021 \u94dd\u5408\u91d1\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021\u662f\u4e00\u79cd\u53ef\u70ed\u5904\u7406\u5f3a\u5316\u7684Al-Zn-Mg\u7cfb7xxx\u65cf\u5408\u91d1\uff0c\u6ce8\u518c\u4e3aEN AW-7021\uff08AlZn5.5Mg1.5\uff09\u548cUNS A97021\u3002\u5f53\u96f6\u4ef6\u9700\u8981\u5728\u91cd\u5207\u524a\u52a0\u5de5\u4e2d\u4fdd\u6301\u516c\u5dee\uff0c\u6216\u8005\u9700\u8981\u710a\u63a5\u540e\u4ecd\u80fd\u8fbe\u52307xxx\u5f3a\u5ea6\u7ea7\u522b\u65f6\uff0c7021\u5c31\u662f\u9996\u9009\u724c\u53f7\u2014\u2014\u8fd9\u4e24\u70b97075\u90fd\u65e0\u6cd5\u505a\u5230\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u505a\u51fa\u7684\u53d6\u820d\u5728\u4e8e\u94dc\u30027075\u542b\u67091.2\u20132.0%\u7684\u94dc\uff0c\u8fd9\u8d4b\u4e88\u4e86\u5b83\u5cf0\u503c\u5f3a\u5ea6\uff0c\u5374\u727a\u7272\u4e86\u710a\u63a5\u6027\u548c\u6297\u5e94\u529b\u8150\u8680\u6027\u80fd\u30027021\u5c06\u94dc\u542b\u91cf\u4e0a\u9650\u63a7\u5236\u57280.25%\uff0c\u653e\u5f03\u4e86\u7ea630%\u7684\u5f3a\u5ea6\uff0c\u4f5c\u4e3a\u4ea4\u6362\u83b7\u5f97\u4e86\u826f\u597d\u7684\u5207\u524a\u52a0\u5de5\u6027\u3001\u6df1\u5207\u524a\u65f6\u4fdd\u6301\u5e73\u6574\u7684\u80fd\u529b\u4ee5\u53ca\u53ef\u7194\u710a\u6027\u2014\u2014\u8fd9\u662f7xxx\u65cf\u5176\u4ed6\u5408\u91d1\u6240\u4e0d\u5177\u5907\u7684\u7ec4\u5408\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021\u7684\u5316\u5b66\u6210\u5206<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u9650\u503c\u4e3aEN 573-3\u89c4\u5b9a\u7684\u6ce8\u518c\u503c\u3002\u8d28\u4fdd\u4e66\u4e0a\u8d85\u51fa\u8fd9\u4e9b\u8303\u56f4\u7684\u6570\u636e\u6765\u81ea\u4e0d\u540c\u7684\u6807\u51c6\uff0c\u800c\u975e\u4e0d\u540c\u76847021\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8981\u7d20<\/td><td>\u91cd\u91cf %<\/td><td>\u89d2\u8272<\/td><\/tr><tr><td>\u7845 (Si)<\/td><td>\u6700\u5927 0.25<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u94c1\uff08Fe\uff09<\/td><td>0.40\uff08\u4e0a\u9650\uff09<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u94dc (Cu)<\/td><td>\u6700\u5927 0.25<\/td><td>\u4fdd\u6301\u5408\u91d1\u53ef\u710a\u6027\u7684\u4e0a\u9650<\/td><\/tr><tr><td>\u9530 (Mn)<\/td><td>\u6700\u5927 0.10<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u9541\uff08Mg\uff09<\/td><td>1.2 - 1.8<\/td><td>\u5f3a\u5316\u5143\u7d20<\/td><\/tr><tr><td>\u94ec (Cr)<\/td><td>0.05 \u6700\u5927\u503c<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u950c (Zn)<\/td><td>5.0 - 6.0<\/td><td>\u4e3b\u8981\u5f3a\u5316\u5143\u7d20<\/td><\/tr><tr><td>\u949b (Ti)<\/td><td>\u6700\u5927 0.10<\/td><td>\u6676\u7c92\u7ec6\u5316\u5242<\/td><\/tr><tr><td><strong>\u9506 (Zr)<\/strong><\/td><td><strong>0.08 - 0.18<\/strong><\/td><td>\u63d0\u9ad8\u518d\u7ed3\u6676\u6e29\u5ea6\uff1b\u6709\u52a9\u4e8e\u710a\u63a5\u6027<\/td><\/tr><tr><td>\u5176\u4ed6\u5143\u7d20\uff0c\u5355\u9879\/\u603b\u8ba1<\/td><td>0.05 \/ 0.15<\/td><td>\u2014<\/td><\/tr><tr><td>\u94dd (Al)<\/td><td>\u5269\u4f59<\/td><td>\u8d31\u91d1\u5c5e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u6709\u4e09\u884c\u662f\u6709\u610f\u6dfb\u52a0\u7684\u2014\u2014\u950c\u3001\u9541\u548c\u9506\uff1b\u5176\u4ed6\u6bcf\u79cd\u5143\u7d20\u90fd\u662f\u5141\u8bb8\u5b58\u5728\u542b\u91cf\u7684\u4e0a\u9650\u3002\u94dc\u662f\u9996\u5148\u9700\u8981\u68c0\u67e5\u7684\u4e00\u884c\uff0c\u56e0\u4e3a\u8be5\u724c\u53f7\u5c06\u5176\u4e0a\u9650\u63a7\u5236\u57280.25%\u3002\u94dd\u6ce8\u518c\u4e3a\u4f59\u91cf\uff0c\u800c\u975e\u56fa\u5b9a\u8303\u56f4\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0d\u540c\u56de\u706b\u72b6\u6001\u4e0b\u7684\u529b\u5b66\u6027\u80fd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021\u4e3b\u8981\u4ee5T6\u548cT651\u72b6\u6001\u8ba2\u8d2d\u3002EN 485-2\u6db5\u76d6\u8584\u677f\u3001\u5e26\u6750\u548c\u677f\u6750\uff1bEN 755-2\u6db5\u76d6\u6324\u538b\u68d2\u6750\u3001\u7ba1\u6750\u548c\u578b\u6750\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8d22\u4ea7<\/td><td>\u4ef7\u503c<\/td><td>\u6761\u4ef6<\/td><\/tr><tr><td>\u6297\u62c9\u5f3a\u5ea6\uff0cRm<\/td><td>\u6700\u4f4e400 MPa\uff08\u5178\u578b\u503c\u7ea6410 MPa\uff09<\/td><td>T6\uff0c\u8584\u677f\u548c\u677f\u6750\uff0cEN 485-2<\/td><\/tr><tr><td>\u5c48\u670d\u5f3a\u5ea6\uff0cRp0.2<\/td><td>\u6700\u4f4e350 MPa<\/td><td>T6\uff0c\u8584\u677f\u548c\u677f\u6750\uff0cEN 485-2<\/td><\/tr><tr><td>\u5ef6\u4f38\u7387\uff0cA \/ A50<\/td><td>\u6700\u4f4e10% \/ \u6700\u4f4e8%<\/td><td>T6\uff0c\u8584\u677f\u548c\u677f\u6750\uff0cEN 485-2<\/td><\/tr><tr><td>\u786c\u5ea6<\/td><td>\u7ea6120 HBW<\/td><td>T6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u7269\u7406\u6027\u80fd<\/td><td>\u4ef7\u503c<\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>2.80 g\/cm\u00b3<\/td><\/tr><tr><td>\u5f39\u6027\u6a21\u91cf<\/td><td>70 GPa<\/td><\/tr><tr><td>\u5bfc\u70ed\u6027<\/td><td>125 \u2013 155 W\/m\u00b7K<\/td><\/tr><tr><td>\u70ed\u81a8\u80c0<\/td><td>23 \u00b5m\/m\u00b7K<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">350 MPa\u7684\u5c48\u670d\u5f3a\u5ea6\u6bd46061-T6\u5927\u7ea6\u9ad827%\uff0c\u6bd47075-T6\u5927\u7ea6\u4f4e30%\u2014\u2014\u662f\u771f\u6b63\u76847xxx\u724c\u53f7\uff0c\u4f46\u5e76\u975e\u5cf0\u503c\u5f3a\u5ea6\u578b\u3002\u70ed\u5bfc\u7387\u627f\u8f7d\u7740\u53e6\u4e00\u4e2a\u5546\u4e1a\u51b3\u5b9a\u6027\u6570\u636e\uff1a125\u2013155 W\/m\u00b7K\u4f7f\u94dd\u5236\u6a21\u5177\u6bd4\u94a2\u5236\u6a21\u5177\u5faa\u73af\u66f4\u5feb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8584\u89c4\u683c\u7684\u6027\u80fd\u9ad8\u4e8e\u677f\u6750\u6700\u5c0f\u503c\u2014\u20141.5\u81f33 mm\u7684\u9633\u6781\u6c27\u5316\u7ea7\u8584\u677f\u5728T6\u548cT651\u72b6\u6001\u4e0b\u901a\u5e38\u6d4b\u8bd5\u503c\u4e3a460\u2013480 MPa\u3002\u5c06EN 485-2\u7684\u6700\u5c0f\u503c\u89c6\u4e3a\u8bbe\u8ba1\u503c\uff0c\u5c06\u66f4\u8584\u89c4\u683c\u7684\u6570\u636e\u89c6\u4e3a\u8f67\u673a\u5b9e\u9645\u6027\u80fd\uff1b\u60a8\u6240\u8d2d\u6279\u6b21\u7684\u8d28\u4fdd\u4e66\u51b3\u5b9a\u9002\u7528\u54ea\u4e2a\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021\u7684\u5e94\u7528\u9886\u57df<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications.webp\" alt=\"7021-\u5e94\u7528\" class=\"wp-image-10692\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u4e2a\u5e94\u7528\u9886\u57df\u6db5\u76d6\u4e86\u8be5\u724c\u53f7\u7684\u5927\u90e8\u5206\u7528\u9014\uff0c\u6bcf\u4e00\u4e2a\u90fd\u6e90\u4e8e\u76f8\u540c\u7684\u7279\u6027\u2014\u2014\u677f\u6750\u7684\u4f4e\u6b8b\u4f59\u5e94\u529b\uff0c\u52a0\u4e0a\u81ea\u7531\u5207\u524a\u6027\u80fd\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5177\u4e0e\u5de5\u88c5\u677f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6838\u5fc3\u5e02\u573a\u3002\u6ce8\u5851\u548c\u5439\u5851\u6a21\u5177\u3001\u70ed\u6210\u578b\u548c\u6811\u8102\u4f20\u9012\u6a21\u5851\u5de5\u88c5\u90fd\u4f7f\u7528 <a href=\"https:\/\/premiumalu.com\/zh\/%e4%ba%a7%e5%93%81\/7021-%e9%93%9d%e5%90%88%e9%87%91\/\">7021\u6a21\u8154\u677f<\/a>, \uff0c\u5e95\u677f\u548c\u673a\u5e8a\u5939\u5177\u53f0\u9762\u4e5f\u662f\u5982\u6b64\u3002\u4f4e\u5185\u5e94\u529b\u662f\u539f\u56e0\u6240\u5728\uff1a\u6df1\u6a21\u8154\u5728\u6750\u6599\u88ab\u53bb\u9664\u65f6\u80fd\u4fdd\u6301\u5f62\u72b6\u800c\u4e0d\u53d1\u751f\u8815\u53d8\uff0c\u800c\u53cd\u5bf9\u4f7f\u7528\u94a2\u5236\u5de5\u88c5\u7684\u8bba\u636e\u662f\u5faa\u73af\u65f6\u95f4\u800c\u975e\u5f3a\u5ea6\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u673a\u52a0\u5de5\u4e0e\u6db2\u538b\u90e8\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b67\u7ba1\u5757\u3001\u9600\u4f53\u3001\u5b89\u88c5\u677f\u548c\u9a71\u52a8\u90e8\u4ef6\u90fd\u5229\u7528\u76f8\u540c\u7684\u5207\u524a\u7279\u6027\u2014\u2014\u77ed\u5207\u5c51\u3001\u5149\u6d01\u8868\u9762\u3001\u957f\u884c\u7a0b\u4e2d\u4fdd\u6301\u7a33\u5b9a\u7684\u5200\u5177\u5bff\u547d\u3002\u5f53\u5207\u524a\u6df1\u5ea6\u5927\u6216\u4e0d\u5bf9\u79f0\u65f6\uff0c\u8bf7\u6307\u5b9aT651\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u710a\u63a5\u7ec4\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7021\u662f\u5c11\u6570\u53ef\u7194\u710a\u7684Al-Zn-Mg\u5408\u91d1\u4e4b\u4e00\uff0c\u8fd9\u6e90\u4e8e\u94dc\u542b\u91cf\u4e0a\u9650\u548c\u9506\u7684\u6dfb\u52a0\u3002\u5f53\u96f6\u4ef6\u9700\u89817xxx\u5f3a\u5ea6\u4e14\u6709\u710a\u63a5\u63a5\u5934\u65f6\uff0c\u8fd9\u5c31\u662f\u8be5\u724c\u53f7\u88ab\u6307\u5b9a\u7684\u539f\u56e0\u3002\u5728\u6279\u91cf\u710a\u63a5\u7ed3\u6784\u4e2d\uff0c, <a href=\"https:\/\/premiumalu.com\/zh\/%e6%8e%8c%e6%8f%a1-7005-%e9%93%9d%e5%90%88%e9%87%91%e7%9a%84%e7%bb%bc%e5%90%88%e6%8c%87%e5%8d%97\/\">7005<\/a> \u6216 <a href=\"https:\/\/premiumalu.com\/zh\/%e4%ba%a7%e5%93%81\/7020-%e9%93%9d%e5%90%88%e9%87%91\/\">7020<\/a> \u901a\u5e38\u662f\u66f4\u7ecf\u6d4e\u7684\u9014\u5f84\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021\u72b6\u6001\u9009\u9879<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021\u4ee5\u4e09\u79cd\u72b6\u6001\u4f9b\u5e94\uff0c\u6bcf\u79cd\u9488\u5bf9\u4e0d\u540c\u7684\u52a0\u5de5\u9700\u6c42\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u813e\u6c14<\/td><td>\u5904\u7406\u65b9\u5f0f<\/td><td>\u5f3a\u5ea6\u7ea7\u522b<\/td><td>\u6700\u9002\u5408<\/td><td>\u5e94\u907f\u514d\u7684\u60c5\u51b5<\/td><\/tr><tr><td>T6<\/td><td>\u56fa\u6eb6\u70ed\u5904\u7406\u548c\u4eba\u5de5\u8001\u5316<\/td><td>EN 485-2\u6700\u5c0f\u503c<\/td><td>\u6a21\u5177\u3001\u4e00\u822c\u7ed3\u6784\u4ef6\u548c\u710a\u63a5\u4ef6\uff0c\u4ea4\u8d27\u5373\u53ef\u4f7f\u7528<\/td><td>\u6b8b\u4f59\u5e94\u529b\u654f\u611f\u7684\u6df1\u5207\u524a\u52a0\u5de5<\/td><\/tr><tr><td>T651<\/td><td>T6\u52a0\u53d7\u63a71\u20133%\u53bb\u5e94\u529b\u62c9\u4f38<\/td><td>\u4e0eT6\u540c\u7ea7<\/td><td>\u91cd\u5207\u524a\u96f6\u4ef6\uff1a\u6df1\u8154\u3001\u4e0d\u5bf9\u79f0\u5207\u524a\u3001\u4e25\u683c\u5e73\u9762\u5ea6<\/td><td>\u4ec5\u6d89\u53ca\u8f7b\u5ea6\u4fee\u8fb9\u6216\u94bb\u5b54\u65f6\u4e0d\u9700\u8981<\/td><\/tr><tr><td>T62<\/td><td>\u6210\u578b\u6216\u5236\u9020\u540e\u56fa\u6eb6\u5904\u7406\u5e76\u65f6\u6548<\/td><td>\u7b49\u540c\u4e8eT6<\/td><td>\u4ee5\u6210\u54c1\u96f6\u4ef6\u5f62\u5f0f\u65f6\u6548\u800c\u975e\u4ee5\u65f6\u6548\u72b6\u6001\u4f9b\u8d27\u7684\u7ec4\u4ef6<\/td><td>\u8ba2\u8d2d\u539f\u6750\u6599\u2014\u2014\u6307\u5b9aT6\u6216T651<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">7021\u4e0e7075\u53ca6061\u7684\u5bf9\u6bd4<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061.webp\" alt=\"7021-7075-6061\" class=\"wp-image-10694\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e09\u79cd\u5408\u91d1\u6db5\u76d6\u4e86\u5927\u591a\u6570\u9ad8\u5f3a\u5ea6\u94dd\u6750\u9009\u62e9\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8d22\u4ea7<\/td><td>7021-T6<\/td><td>7075-T6<\/td><td>6061-T6<\/td><\/tr><tr><td>\u6297\u62c9\u5f3a\u5ea6<\/td><td>\u6700\u4f4e400 MPa\uff08\u5178\u578b\u503c\u7ea6410\uff09<\/td><td>\u5178\u578b\u503c572 MPa<\/td><td>\u5178\u578b\u503c310 MPa<\/td><\/tr><tr><td>\u5c48\u670d\u5f3a\u5ea6<\/td><td>\u6700\u4f4e350 MPa<\/td><td>\u5178\u578b\u503c 503 MPa<\/td><td>\u5178\u578b\u503c 276 MPa<\/td><\/tr><tr><td>\u4f38\u957f\u7387<\/td><td>\u6700\u4f4e 10%<\/td><td>~11%<\/td><td>12\u201317%<\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>2.80 g\/cm\u00b3<\/td><td>2.81 \u514b\/\u7acb\u65b9\u5398\u7c73<\/td><td>2.70 \u514b\/\u7acb\u65b9\u5398\u7c73<\/td><\/tr><tr><td>\u6b8b\u4f59\u5e94\u529b \/ \u7a33\u5b9a\u6027<\/td><td>\u6781\u4f4e\uff1b\u6a21\u5177\u677f\u7ea7\u522b<\/td><td>\u9ad8\uff1b\u91cd\u578b\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u4f1a\u53d8\u5f62<\/td><td>\u4e2d\u5ea6<\/td><\/tr><tr><td>\u673a\u68b0\u52a0\u5de5\u6027\u80fd<\/td><td>\u4f18\u5f02\uff1b\u5207\u5c51\u77ed\uff0c\u629b\u5149\u6027\u597d<\/td><td>\u826f\u597d<\/td><td>\u826f\u597d<\/td><\/tr><tr><td>\u710a\u63a5\u6027<\/td><td>\u826f\u597d\uff0c\u914d\u5408\u5408\u683c\u7684 MIG\/TIG \u53ca 5356 \u6216 5183 \u710a\u4e1d<\/td><td>\u4e0d\u63a8\u8350\u7528\u4e8e\u7194\u710a<\/td><td>\u4f18\u5f02\uff0c\u9002\u7528\u4e8e\u6240\u6709\u5e38\u89c1\u5de5\u827a<\/td><\/tr><tr><td>\u8010\u8150\u8680\u6027<\/td><td>\u4e2d\u7b49\uff1b\u9700\u8981\u6d82\u5c42\u6216\u9633\u6781\u6c27\u5316<\/td><td>\u6709\u9650\uff1b\u9700\u8981\u6d82\u5c42\u6216\u5305\u8986<\/td><td>\u826f\u597d<\/td><\/tr><tr><td>\u5178\u578b\u5e94\u7528<\/td><td>\u6a21\u5177\u3001\u6a21\u5177\u677f\u3001\u673a\u52a0\u5de5\u4ef6\u548c\u6db2\u538b\u4ef6\u3001\u710a\u63a5\u7ec4\u4ef6<\/td><td>\u9ad8\u5e94\u529b\u673a\u52a0\u5de5\u96f6\u4ef6\u3001\u673a\u4f53\u7ed3\u6784<\/td><td>\u4e00\u822c\u5236\u9020\u3001\u8239\u8236\u3001\u5efa\u7b51<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7021 \u5217\u4e3a EN 485-2 \u6700\u4f4e\u503c\uff1b7075 \u548c 6061 \u5217\u4e3a\u5df2\u516c\u5e03\u7684\u5178\u578b\u503c\u3002\u5e94\u6bd4\u8f83\u6570\u91cf\u7ea7\u800c\u975e\u5c0f\u6570\u4f4d\uff0c\u5e76\u5728\u5de5\u5382\u8bc1\u4e66\u4e0a\u786e\u8ba4\u9002\u7528\u4e8e\u60a8\u81ea\u8eab\u5f62\u6001\u548c\u539a\u5ea6\u7684\u6570\u636e\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021 \u7684\u52a0\u5de5\u4e0e\u5e94\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u673a\u68b0\u52a0\u5de5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u673a\u52a0\u5de5\u6b63\u662f\u8be5\u724c\u53f7\u5b58\u5728\u7684\u7406\u7531\uff0c\u800c 7021 \u5728 7xxx \u5408\u91d1\u4e2d\u8868\u73b0\u5904\u4e8e\u9876\u7ea7\u6c34\u5e73\u3002\u5207\u5c51\u77ed\u65ad\uff0c\u8868\u9762\u5149\u6d01\uff0c\u4e2d\u9ad8\u4e3b\u8f74\u8f6c\u901f\u4e0b\u7684\u786c\u8d28\u5408\u91d1\u5200\u5177\u8010\u7528\u6027\u826f\u597d\u3002\u9ad8\u901f\u94a2\u9002\u7528\u4e8e\u6d45\u7279\u5f81\u52a0\u5de5\uff0c\u4f46\u786c\u8d28\u5408\u91d1\u624d\u662f\u7ecf\u6d4e\u6548\u76ca\u6240\u5728\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6df1\u8154\u3001\u975e\u5bf9\u79f0\u5207\u524a\u6216\u4e25\u683c\u7684\u5e73\u9762\u5ea6\u516c\u5dee\uff0c\u5e94\u6307\u5b9a T651 \u800c\u975e T6\u3002\u53bb\u5e94\u529b\u62c9\u4f38\u5728\u5207\u524a\u524d\u5df2\u5b8c\u6210\uff0c\u56e0\u6b64\u677f\u6750\u4e0d\u4f1a\u5728\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u81ea\u884c\u91ca\u653e\u5e94\u529b\u800c\u5bfc\u81f4\u5de5\u4ef6\u53d8\u5f62\u3002\u5bf9\u4e8e\u4fee\u8fb9\u3001\u94bb\u5b54\u548c\u8f7b\u94e3\u524a\uff0cT6 \u5df2\u8db3\u591f\u7a33\u5b9a\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u710a\u63a5<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions.webp\" alt=\"7021-\u710a\u63a5\u6761\u4ef6\" class=\"wp-image-10695\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7021 \u53ef\u4ee5\u8fdb\u884c\u7194\u710a\uff0c\u8fd9\u6b63\u662f\u5176\u5dee\u5f02\u5316\u4f18\u52bf\u2014\u2014\u8fd9\u6e90\u4e8e\u94dc\u542b\u91cf\u4e0a\u9650\u548c\u9506\u7684\u6dfb\u52a0\u3002\u710a\u4e1d\u4e3a 5xxx \u7ea7\u522b\uff0c\u5373 5356 \u6216 5183\uff0c\u53ef\u5728\u7194\u6c60\u4e2d\u4fdd\u7559\u8db3\u591f\u7684\u9541\u4ee5\u62b5\u6297\u51dd\u56fa\u88c2\u7eb9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u710a\u4e1d\u9009\u62e9\u4e4b\u5916\uff0c\u8fd9\u662f\u5de5\u827a\u95ee\u9898\u800c\u975e\u6750\u6599\u95ee\u9898\uff1a\u5236\u9020\u5546\u5fc5\u987b\u4e3a\u8be5\u5408\u91d1\u8bc4\u5b9a\u710a\u63a5\u5de5\u827a\uff0c\u800c\u4e0d\u80fd\u6cbf\u7528\u4e3a 6xxx \u5de5\u4ef6\u7f16\u5199\u7684\u5de5\u827a\u3002\u9884\u671f\u710a\u7f1d\uff08\u800c\u975e\u6bcd\u6750\uff09\u5c06\u6210\u4e3a\u5f3a\u5ea6\u9650\u5236\u56e0\u7d20\uff0c\u5e76\u636e\u6b64\u786e\u5b9a\u622a\u9762\u5c3a\u5bf8\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8150\u8680\u9632\u62a4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u5927\u591a\u6570\u5bcc\u950c\u94dd\u5408\u91d1\u4e00\u6837\uff0c7021 \u5177\u6709\u4e2d\u7b49\u8010\u8150\u8680\u6027\uff0c\u5728\u5ba4\u5916\u6216\u6f6e\u6e7f\u73af\u5883\u4e2d\u9700\u8981\u9632\u62a4\u3002\u4e09\u79cd\u65b9\u6cd5\u53ef\u8986\u76d6\u5927\u591a\u6570\u60c5\u51b5\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9633\u6781\u6c27\u5316.<\/strong> \u786b\u9178\u9633\u6781\u6c27\u5316\u53ef\u6784\u5efa\u53ef\u63a7\u7684\u6c27\u5316\u5c4f\u969c\u3002\u9884\u671f\u6c27\u5316\u5c42\u5747\u5300\u6027\u4e0d\u5982 6xxx \u5408\u91d1\uff0c\u5728\u653e\u884c\u88c5\u9970\u4ef6\u4e4b\u524d\u5e94\u5728\u6837\u54c1\u4e0a\u786e\u8ba4\u5149\u6d01\u5ea6\u7b49\u7ea7\u3002.<\/li>\n\n\n\n<li><strong>\u6d82\u6599\u4f53\u7cfb\u3002.<\/strong> \u8f6c\u5316\u6d82\u5c42\u3001\u73af\u6c27\u5e95\u6f06\u548c\u805a\u6c28\u916f\u9762\u6f06\u662f\u6807\u51c6\u5de5\u4e1a\u6d82\u88c5\u4f53\u7cfb\u3002\u8868\u9762\u5904\u7406\u51b3\u5b9a\u4e86\u6d82\u5c42\u80fd\u5426\u9644\u7740\u3002.<\/li>\n\n\n\n<li><strong>\u8bbe\u8ba1\u65f6\u8003\u8651\u6392\u6c34\u3002.<\/strong> \u907f\u514d\u79ef\u6c34\u7684\u6c34\u5751\u3001\u7f1d\u9699\u548c\u671d\u4e0a\u7684\u5e73\u9762\u3002\u51e0\u4f55\u5f62\u72b6\u7684\u9009\u62e9\u6bd4\u4efb\u4f55\u6d82\u5c42\u4fee\u590d\u90fd\u80fd\u66f4\u6709\u6548\u5730\u9632\u6b62\u8150\u8680\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u6e29\u5ea6\u9650\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7021 \u4e3a\u6c89\u6dc0\u786c\u5316\u5408\u91d1\uff0c\u5176\u5f3a\u5ea6\u53d6\u51b3\u4e8e\u65f6\u6548\u540e\u5f3a\u5316\u76f8\u7684\u4fdd\u6301\u72b6\u6001\u3002\u7ea6 100\u2013120 \u00b0C \u4ee5\u4e0a\u7684\u8fde\u7eed\u4f7f\u7528\u4f1a\u5f00\u59cb\u8fc7\u65f6\u6548\u5904\u7406\uff0c\u5bfc\u81f4\u5c48\u670d\u5f3a\u5ea6\u4e0b\u964d\uff0c\u800c\u77ed\u65f6\u66b4\u9732\u81f3\u7ea6 200 \u00b0C \u5c1a\u53ef\u5bb9\u5fcd\uff0c\u4f46\u4e0d\u4f5c\u4e3a\u8bbe\u8ba1\u989d\u5b9a\u503c\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e 7075 \u76f8\u6bd4\uff0c\u9506\u53ef\u51cf\u7f13\u8be5\u8fc7\u7a0b\uff0c\u4f46\u4e24\u79cd\u5408\u91d1\u90fd\u4e0d\u662f\u9ad8\u6e29\u9009\u62e9\u3002\u5bf9\u4e8e\u6301\u7eed\u53d7\u70ed\u5de5\u51b5\uff0c\u5e94\u9009\u7528\u8010\u70ed\u724c\u53f7\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f18\u70b9\u4e0e\u5c40\u9650\u6027\u4e00\u89c8<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u7cfb\u6570<\/td><td>\u4f18\u52bf<\/td><td>\u9650\u5236<\/td><\/tr><tr><td>\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u7684\u7a33\u5b9a\u6027<\/td><td>\u6781\u4f4e\u6b8b\u4f59\u5e94\u529b\uff1b\u6a21\u5177\u677f\u7ea7\u522b<\/td><td>\u2014<\/td><\/tr><tr><td>\u673a\u68b0\u52a0\u5de5\u6027\u80fd<\/td><td>\u5207\u5c51\u77ed\uff0c\u8868\u9762\u5149\u6d01\uff0c\u629b\u5149\u6027\u597d<\/td><td>\u6df1\u5ea6\u6216\u975e\u5747\u5300\u53bb\u9664\u6750\u6599\u65f6\u6307\u5b9a T651<\/td><\/tr><tr><td>\u5b9e\u529b<\/td><td>T6 \u72b6\u6001\u6700\u4f4e\u5c48\u670d\u5f3a\u5ea6 350 MPa\u2014\u2014\u771f\u6b63\u7684 7xxx \u7ea7\u522b<\/td><td>\u6bd4 7075-T6 \u4f4e\u7ea6 30%\uff0c\u5728\u5c48\u670d\u5f3a\u5ea6\u4e3b\u5bfc\u7684\u573a\u5408<\/td><\/tr><tr><td>\u710a\u63a5\u6027<\/td><td>\u5c11\u6570\u53ef\u8fdb\u884c\u7194\u710a\u7684 7xxx \u5408\u91d1\u4e4b\u4e00<\/td><td>\u9700\u8981\u81ea\u8eab\u8bc4\u5b9a\u7684\u5de5\u827a\uff1b\u4e00\u5b9a\u7a0b\u5ea6\u7684\u70ed\u5f71\u54cd\u533a\u5f3a\u5ea6\u635f\u5931\u4e0d\u53ef\u907f\u514d<\/td><\/tr><tr><td>\u8010\u8150\u8680\u6027<\/td><td>\u9633\u6781\u6c27\u5316\u6216\u6d82\u88c5\u540e\u8db3\u591f<\/td><td>\u88f8\u5408\u91d1\u4e0d\u9002\u7528\u4e8e\u65e0\u4fdd\u62a4\u7684\u6f6e\u6e7f\u6216\u6d77\u6d0b\u73af\u5883<\/td><\/tr><tr><td>\u5bfc\u70ed\u6027<\/td><td>125\u2013155 W\/m\u00b7K\uff1b\u6a21\u5177\u5faa\u73af\u6bd4\u94a2\u66f4\u5feb<\/td><td>\u2014<\/td><\/tr><tr><td>\u4f7f\u7528\u6e29\u5ea6<\/td><td>\u7ea6 100\u2013120 \u00b0C \u4ee5\u4e0b\u7a33\u5b9a<\/td><td>\u975e\u9ad8\u6e29\u5408\u91d1<\/td><\/tr><tr><td>\u53ef\u7528\u6027<\/td><td>\u6807\u51c6\u4f9b\u5e94\u677f\u6750\u548c\u68d2\u6750\uff0c\u4ee5\u53ca\u6324\u538b\u578b\u6750<\/td><td>\u5e93\u5b58\u4e0d\u5982 6061 \u5e7f\u6cdb\uff1b\u56f4\u7ed5\u5176\u8bbe\u8ba1\u524d\u8bf7\u786e\u8ba4\u4f9b\u5e94\u60c5\u51b5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u53ef\u884c\/\u4e0d\u53ef\u884c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0e\u5176\u4ed6\u6750\u6599\u6bd4\u8f83\u4e4b\u524d\uff0c\u4f7f\u7528\u8fd9\u4e9b\u9608\u503c\u6765\u5224\u65ad 7021 \u662f\u5426\u9002\u5408\u8be5\u8bbe\u8ba1\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries.webp\" alt=\"7021-\u9009\u578b\u8fb9\u754c\" class=\"wp-image-10696\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9009\u62e9 7021 \u7684\u573a\u5408\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96f6\u4ef6\u4e3a\u6a21\u5177\u3001\u6a21\u8154\u677f\u6216\u6a21\u5177\u677f\uff0c\u5fc5\u987b\u5728\u6df1\u5ea6\u6216\u975e\u5747\u5300\u5207\u524a\u4e2d\u4fdd\u6301\u5e73\u6574\u2014\u2014\u5728\u53bb\u9664\u6750\u6599\u91cf\u5927\u6216\u975e\u5bf9\u79f0\u65f6\u6307\u5b9a T651\u3002.<\/li>\n\n\n\n<li>\u96f6\u4ef6\u5fc5\u987b\u710a\u63a5\uff0c\u4e14\u9700\u8981 6061 \u65e0\u6cd5\u63d0\u4f9b\u7684 7xxx \u7ea7\u522b\u5f3a\u5ea6\u3002.<\/li>\n\n\n\n<li>\u5f53\u60a8\u9700\u8981\u6bd4\u94a2\u66f4\u5feb\u7684\u6a21\u5177\u5faa\u73af\u5468\u671f\uff0c\u5e76\u4f9d\u6258125\u2013155 W\/m\u00b7K\u7684\u5bfc\u70ed\u6027\u80fd\u65f6\u3002.<\/li>\n\n\n\n<li>\u5f53\u6bcf\u4ef6\u52a0\u5de5\u6210\u672c\u6bd4\u6700\u540e\u51e0\u4e2a\u767e\u5206\u70b9\u7684\u5c48\u670d\u5f3a\u5ea6\u66f4\u91cd\u8981\u65f6\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4ee5\u4e0b\u60c5\u51b5\u5e94\u907f\u514d\u9009\u75287021\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u6700\u5927\u5f3a\u5ea6\u51b3\u5b9a\u8bbe\u8ba1\u4e14\u6ca1\u6709\u4efb\u4f55\u710a\u63a5\u65f6\u2014\u2014 <a href=\"https:\/\/premiumalu.com\/zh\/%e4%ba%a7%e5%93%81\/7075-%e9%93%9d%e5%90%88%e9%87%91\/\">7075-T6<\/a> \u53ef\u63d0\u4f9b\u7ea630%\u4ee5\u4e0a\u7684\u5c48\u670d\u5f3a\u5ea6\uff0c\u8db3\u4ee5\u6ee1\u8db3\u87ba\u6813\u8fde\u63a5\u548c\u94c6\u63a5\u52a0\u5de5\u4ef6\u7684\u9700\u6c42\u3002.<\/li>\n\n\n\n<li>\u5f53276 MPa\u5c48\u670d\u5f3a\u5ea6\u5df2\u8db3\u591f\u65f6\u2014\u2014 <a href=\"https:\/\/premiumalu.com\/zh\/%e4%ba%a7%e5%93%81\/6061-%e9%93%9d%e5%90%88%e9%87%91\/\">6061-T6<\/a> \u53ef\u6362\u6765\u514d\u8d39\u7684\u8010\u8150\u8680\u6027\u3001\u6613\u710a\u63a5\u6027\u548c\u66f4\u5e7f\u6cdb\u7684\u4f9b\u8d27\u6e20\u9053\uff0c\u800c\u5728\u5207\u524a\u91cf\u8f83\u8f7b\u7684\u573a\u5408\uff0c\u7a33\u5b9a\u6027\u8981\u6c42\u4e5f\u6ca1\u90a3\u4e48\u9ad8\u3002.<\/li>\n\n\n\n<li>\u5f53\u96f6\u4ef6\u5c06\u5728\u6f6e\u6e7f\u3001\u6d77\u6d0b\u6216\u5316\u5b66\u73af\u5883\u4e2d\u65e0\u4fdd\u62a4\u4f7f\u7528\u65f6\u2014\u2014\u8bf7\u6539\u75285xxx\u62166xxx\u7cfb\u5408\u91d1\u3002.<\/li>\n\n\n\n<li>\u5f53\u8fde\u7eed\u4f7f\u7528\u6e29\u5ea6\u9ad8\u4e8e\u7ea6120 \u00b0C\u65f6\uff0c\u8fc7\u65f6\u6548\u4f1a\u524a\u5f31\u56de\u706b\u72b6\u6001\u3002.<\/li>\n\n\n\n<li>\u5f53\u96f6\u4ef6\u5728\u65f6\u6548\u540e\u9700\u8981\u5927\u91cf\u6210\u5f62\u65f6\u2014\u20147021-T6\u4e0d\u662f\u6210\u5f62\u5408\u91d1\uff1b\u5e94\u5728O\u6001\u4e0b\u6210\u5f62\uff0c\u968f\u540e\u518d\u8fdb\u884c\u70ed\u5904\u7406\u3002.<\/li>\n\n\n\n<li>\u5f53\u65e2\u65e0\u52a0\u5de5\u9700\u6c42\u4e5f\u65e0\u710a\u63a5\u9700\u6c42\u65f6\u2014\u2014\u8be5\u5408\u91d1\u7684\u4f18\u52bf\u65e0\u5904\u53d1\u6325\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021\u57287xxx\u7cfb\u4e2d\u5360\u636e\u7279\u5b9a\u4f4d\u7f6e\u3002\u5b83\u727a\u7272\u4e867075\u7ea630%\u7684\u5c48\u670d\u5f3a\u5ea6\u53ca\u5176\u6e90\u81ea\u94dc\u7684\u8010\u8150\u8680\u6027\u80fd\uff0c\u6362\u6765\u4e86\u5207\u524a\u5e72\u51c0\u3001\u91cd\u5207\u524a\u4e0b\u4fdd\u6301\u5f62\u72b6\u7a33\u5b9a\u4ee5\u53ca\u53ef\u710a\u63a5\u7684\u7279\u6027\u2014\u2014\u8fd9\u662f\u5176\u4ed6\u4efb\u4f557xxx\u7cfb\u5408\u91d1\u90fd\u65e0\u6cd5\u4ee5\u5b8c\u5168\u76f8\u540c\u7684\u65b9\u5f0f\u63d0\u4f9b\u7684\u7ec4\u5408\u3002\u5bf9\u4e8e\u6a21\u5177\u578b\u8154\u3001\u6b67\u7ba1\u5757\u6216\u5927\u578b\u52a0\u5de5\u677f\u800c\u8a00\uff0c\u8fd9\u503c\u5f97\u4ed8\u51fa\u6ea2\u4ef7\uff1b\u800c\u5bf9\u4e8e\u8bbe\u8ba1\u8f7d\u8377\u662f\u552f\u4e00\u8003\u91cf\u56e0\u7d20\u7684\u96f6\u4ef6\uff0c\u5219\u4e0d\u503c\u5f97\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u4f9b\u5e94T6\u548cT651\u72b6\u6001\u76847021\u677f\u6750\u3001\u68d2\u6750\u3001\u7ba1\u6750\u548c\u5757\u6599\uff0c\u6bcf\u7b14\u8ba2\u5355\u5747\u9644MTC\u3002\u6211\u4eec\u7684\u81ea\u6709CNC\u52a0\u5de5\u3001\u710a\u63a5\u548c\u9633\u6781\u6c27\u5316\u80fd\u529b\u8986\u76d6\u4e86\u8be5\u724c\u53f7\u901a\u5e38\u88ab\u6307\u5b9a\u4f7f\u7528\u7684\u52a0\u5de5\u548c\u8fde\u63a5\u5de5\u5e8f\uff0c\u4f4eMOQ\u5b9a\u5236\u5c3a\u5bf8\u53ef\u6309\u8ba2\u5355\u751f\u4ea7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u5c06\u60a8\u7684\u56fe\u7eb8\u3001\u5f62\u72b6\u548c\u56de\u706b\u72b6\u6001\u53d1\u9001\u7ed9\u6211\u4eec\uff0c\u6211\u4eec\u5c06\u6839\u636e\u60a8\u6307\u5b9a\u7684\u6807\u51c6\u786e\u8ba4\u53ef\u4f9b\u8d27\u8303\u56f4\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">7021\u677f\u6750\u7684\u6700\u4f4e\u8d77\u8ba2\u91cf\u662f\u591a\u5c11\uff0c\u6211\u5e94\u8be5\u9884\u7559\u591a\u957f\u7684\u4ea4\u671f\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6309\u56fe\u7eb8\u5b9a\u5236\u5c3a\u5bf8\u4e3a\u4f4eMOQ\u5b9a\u5236\u751f\u4ea7\uff0c\u901a\u5e38\u9700\u898110\u201360\u5929\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5f62\u72b6\u3001\u56de\u706b\u72b6\u6001\u548c\u6570\u91cf\u3002\u6807\u51c6\u677f\u6750\u548c\u68d2\u6750\u5c3a\u5bf8\u53ef\u4ece\u5e93\u5b58\u53d1\u8d27\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7021\u8ba2\u5355\u968f\u9644\u54ea\u4e9b\u6587\u4ef6\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u6279\u8d27\u7269\u5747\u9644\u6709\u4e00\u4efd\u7089\u53f7\u5316\u5b66\u6210\u5206\u548c\u529b\u5b66\u6027\u80fd\u68c0\u6d4b\u7ed3\u679c\u7684\u5de5\u5382\u68c0\u6d4b\u8bc1\u4e66\u3002\u5982\u9879\u76ee\u9700\u8981\u72ec\u7acb\u9a8c\u8bc1\uff0c\u53ef\u5e94\u8981\u6c42\u5b89\u6392SGS\u62a5\u544a\uff0c\u9700\u989d\u5916\u652f\u4ed8\u68c0\u6d4b\u8d39\u7528\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f60\u4eec\u80fd\u5426\u52a0\u5de57021\u6a21\u5177\u677f\u5e76\u63d0\u4f9b\u6210\u54c1\u96f6\u4ef6\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u2014\u2014\u578b\u8154\u677f\u3001\u6b67\u7ba1\u5757\u548c\u5939\u5177\u677f\u5747\u5728\u5185\u90e8\u52a0\u5de5\uff0c\u56e0\u6b64\u6750\u6599\u548c\u52a0\u5de5\u53ef\u4e00\u5e76\u62a5\u4ef7\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7021\u80fd\u5426\u5728\u73b0\u6709\u6a21\u5177\u8bbe\u8ba1\u4e2d\u66ff\u4ee37075\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ec5\u5f53\u8bbe\u8ba1\u4e0d\u53d7\u5f3a\u5ea6\u9650\u5236\u65f6\u624d\u53ef\u4ee5\u30027021\u727a\u7272\u4e867075\u7ea630%\u7684\u5c48\u670d\u5f3a\u5ea6\uff0c\u56e0\u6b64\u63097075\u58c1\u539a\u8bbe\u8ba1\u7684\u578b\u8154\u9700\u8981\u91cd\u65b0\u6838\u7b97\u3002\u5f53\u51b3\u5b9a\u9009\u6750\u7684\u56e0\u7d20\u662f\u52a0\u5de5\u65f6\u95f4\u3001\u5e73\u9762\u5ea6\u548c\u53ef\u710a\u63a5\u6027\u800c\u975e\u5cf0\u503c\u5f3a\u5ea6\u65f6\uff0c\u66ff\u6362\u901a\u5e38\u662f\u5212\u7b97\u7684\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is 7021 Aluminum? 7021 is a heat-treatable Al-Zn-Mg alloy of the 7xxx family, registered as EN AW-7021 (AlZn5.5Mg1.5) and as UNS A97021. It is the 7xxx grade to reach for when the part has to hold tolerance through heavy machining, or has to be welded and still reach a 7xxx strength class \u2014 two [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"7021 Aluminum: The Ultimate Guide to Properties and Uses","_seopress_titles_desc":"A practical guide to 7021 aluminum: chemical composition, mechanical properties, T6\/T62\/T651 tempers, comparison with 7075 and 6061, and sourcing tips for aerospace and structural use.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[179],"tags":[],"class_list":["post-8805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts\/8805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/comments?post=8805"}],"version-history":[{"count":5,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts\/8805\/revisions"}],"predecessor-version":[{"id":10715,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts\/8805\/revisions\/10715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/media\/10698"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/media?parent=8805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/categories?post=8805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/tags?post=8805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}