{"id":8804,"date":"2025-06-15T02:00:13","date_gmt":"2025-06-15T02:00:13","guid":{"rendered":"https:\/\/premiumalu.com\/discover-7003-aluminum-key-facts-you-need-to-know\/"},"modified":"2026-10-08T02:13:50","modified_gmt":"2026-10-08T02:13:50","slug":"%e5%8f%91%e7%8e%b0-7003-%e9%93%9d-%e6%82%a8%e9%9c%80%e8%a6%81%e4%ba%86%e8%a7%a3%e7%9a%84%e5%85%b3%e9%94%ae%e4%ba%8b%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/zh\/discover-7003-aluminum-key-facts-you-need-to-know\/","title":{"rendered":"7003\u94dd\u5408\u91d1\uff1a\u6027\u80fd\u3001\u56de\u706b\u72b6\u6001\u53ca\u5e94\u7528"},"content":{"rendered":"<p class=\"wp-block-paragraph\">7003\u662f\u4e00\u79cd\u53ef\u710a\u63a5\u76847xxx\u7cfb\u6324\u538b\u5408\u91d1\u3002\u5b83\u7684\u5f00\u53d1\u76ee\u7684\u662f\u4f7f\u710a\u63a5\u63a5\u5934\u5728\u670d\u5f79\u65f6\u6548\u8fc7\u7a0b\u4e2d\u6062\u590d\u5927\u90e8\u5206\u5f3a\u5ea6\uff0c\u800c\u4e0d\u662f\u5728\u70ed\u5f71\u54cd\u533a\u88ab\u62a5\u5e9f\u2014\u2014\u6b63\u662f\u8fd9\u4e00\u95ee\u9898\u4f7f7075\u65e0\u6cd5\u7528\u4e8e\u710a\u63a5\u7ed3\u6784\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u901a\u8fc7\u653e\u5f03\u94dc\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u94dc\u662f\u4f7f7075\u548c7001\u8fbe\u5230\u5cf0\u503c\u5f3a\u5ea6\u7684\u5143\u7d20\uff0c\u540c\u65f6\u4e5f\u662f\u4f7f\u5b83\u4eec\u65e0\u6cd5\u710a\u63a5\u4e14\u6613\u53d1\u751f\u5e94\u529b\u8150\u8680\u5f00\u88c2\u7684\u539f\u56e0\uff1b7003\u5c06\u94dc\u542b\u91cf\u4e0a\u9650\u63a7\u5236\u57280.20%\u4ee5\u5185\uff0c\u8f6c\u800c\u4f9d\u9760\u950c\u3001\u9541\u548c\u9506\u3002\u5176\u5f3a\u5ea6\u7b49\u7ea7\u4f4e\u4e8e7075\u3001\u9ad8\u4e8e6061\u2014\u2014\u8fd9\u79cd\u53d6\u820d\u7684\u5173\u952e\u5728\u4e8e\u63a5\u5934\u80fd\u591f\u5b58\u6d3b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f7003\u94dd\u5408\u91d1\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7003\u662f7000\u7cfb\u4e2d\u7684\u4e00\u79cd\u53ef\u70ed\u5904\u7406\u5408\u91d1\u3002\u950c\u662f\u4e3b\u8981\u5408\u91d1\u5143\u7d20\uff0c\u9541\u5f62\u6210MgZn\u2082\u5f3a\u5316\u76f8\uff0c\u94dc\u542b\u91cf\u4fdd\u6301\u5728\u8db3\u591f\u4f4e\u7684\u6c34\u5e73\uff0c\u4f7f\u8be5\u5408\u91d1\u53ef\u901a\u8fc7\u5e38\u89c4\u5de5\u827a\u8fdb\u884c\u710a\u63a5\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9506\u662f\u6807\u5fd7\u6027\u6dfb\u52a0\u5143\u7d20\u3002\u57280.05\u20130.25%\u7684\u542b\u91cf\u4e0b\uff0c\u5b83\u63d0\u9ad8\u518d\u7ed3\u6676\u6e29\u5ea6\u5e76\u5728\u6324\u538b\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u7ec6\u5c0f\u7684\u6676\u7c92\u7ed3\u6784\uff0c\u4ece\u800c\u6291\u5236\u710a\u63a5\u7194\u6c60\u4e2d\u7684\u70ed\u88c2\u7eb9\uff0c\u5e76\u5e2e\u52a9\u6324\u538b\u578b\u6750\u5728\u65f6\u6548\u540e\u4fdd\u6301\u5f3a\u5ea6\u3002\u65e0\u94dc\u52a0\u4e0a\u53d7\u63a7\u7684\u6676\u7c92\u7ed3\u6784\uff0c\u6b63\u662f7003\u533a\u522b\u4e8e\u542b\u94dc7xxx\u7cfb\u724c\u53f7\u7684\u5173\u952e\u6240\u5728\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8981\u7d20<\/td><td>\u8303\u56f4\uff08\u91cd\u91cf\u767e\u5206\u6bd4\uff09<\/td><td>\u89d2\u8272<\/td><\/tr><tr><td>\u950c (Zn)<\/td><td>5.0\u20136.5<\/td><td>\u4e3b\u8981\u5f3a\u5316\u5143\u7d20<\/td><\/tr><tr><td>\u9541\uff08Mg\uff09<\/td><td>0.5\u20131.0<\/td><td>\u5f62\u6210MgZn\u2082\u5f3a\u5316\u76f8<\/td><\/tr><tr><td>\u9506 (Zr)<\/td><td>0.05\u20130.25<\/td><td>\u6676\u7c92\u7ec6\u5316\uff1b\u6297\u710a\u63a5\u70ed\u88c2\u7eb9<\/td><\/tr><tr><td>\u94ec (Cr)<\/td><td>\u22640.20<\/td><td>\u6676\u7c92\u7ed3\u6784\u63a7\u5236<\/td><\/tr><tr><td>\u9530 (Mn)<\/td><td>\u22640.30<\/td><td>\u5fae\u91cf\u5143\u7d20\u63a7\u5236<\/td><\/tr><tr><td>\u94dc (Cu)<\/td><td>\u22640.20<\/td><td>\u4fdd\u6301\u4f4e\u542b\u91cf\u4ee5\u786e\u4fdd\u710a\u63a5\u6027\u548c\u8010\u8150\u8680\u6027<\/td><\/tr><tr><td>\u94c1\uff08Fe\uff09<\/td><td>\u22640.35<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u7845 (Si)<\/td><td>\u22640.30<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\u949b (Ti)<\/td><td>\u22640.20<\/td><td>\u6676\u7c92\u7ec6\u5316\u5242<\/td><\/tr><tr><td>\u5176\u4ed6\u5143\u7d20\uff08\u6bcf\u79cd \/ \u603b\u8ba1\uff09<\/td><td>\u22640.05 \/ \u22640.15<\/td><td>\u5fae\u91cf\u9650\u503c<\/td><\/tr><tr><td>\u94dd (Al)<\/td><td>\u5e73\u8861<\/td><td>\u8d31\u91d1\u5c5e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8303\u56f4\u9075\u5faaEN 573-3\u548cAA\u6ce8\u518c\u2014\u2014EN AW-7003\uff0c\u5316\u5b66\u724c\u53f7AlZn6Mg0.8Zr\uff0cUNS A97003\u3002\u5bc6\u5ea6\u7ea6\u4e3a2.78 g\/cm\u00b3\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8ba8\u8bba\u5176\u4ed6\u4efb\u4f55\u95ee\u9898\u4e4b\u524d\uff0c\u6709\u4e00\u70b9\u5173\u4e8e\u4ea7\u54c1\u5f62\u6001\u7684\u95ee\u9898\u81f3\u5173\u91cd\u8981\uff1a7003\u9996\u5148\u662f\u4e00\u79cd\u6324\u538b\u5408\u91d1\u3002\u68d2\u6750\u3001\u7ba1\u6750\u548c\u578b\u6750\u662fASTM B221\u548cEN 755-2\u4e0b\u7684\u6807\u51c6\u4ea7\u54c1\u8303\u56f4\uff0c\u5b83\u5e76\u975e\u5e38\u89c4\u7684\u6241\u5e73\u8f67\u5236\u724c\u53f7\u3002\u677f\u6750\u548c\u8584\u677f\u5c5e\u4e8e\u4e0d\u540c\u7684\u89c4\u8303\uff0c\u56e0\u6b64\u5728\u8be2\u4ef7\u65f6\u5e94\u6ce8\u660e\u4ea7\u54c1\u5f62\u6001\u53ca\u5176\u9002\u7528\u6807\u51c6\u2014\u2014\u5982\u679c\u67d0\u4e2a\u622a\u9762\u6216\u5c3a\u5bf8\u8d85\u51fa\u6807\u51c6\u8303\u56f4\uff0c\u5219\u6309\u56fe\u7eb8\u751f\u4ea7\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56de\u706b\u72b6\u6001\u4e0e\u5178\u578b\u529b\u5b66\u6027\u80fd<\/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\/7003-t5-vs-t6.webp\" alt=\"7003-t5-vs-t6\" class=\"wp-image-10701\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-t5-vs-t6.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-t5-vs-t6-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-t5-vs-t6-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-t5-vs-t6-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-t5-vs-t6-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u72b6\u6001\u5bf9\u4ea4\u4ed8\u96f6\u4ef6\u7684\u5f71\u54cd\u5927\u4e8e\u5408\u91d1\u9009\u62e9\u672c\u8eab\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T5<\/strong> \u2014\u2014\u4ece\u6324\u538b\u673a\u51b7\u5374\u540e\u8fdb\u884c\u4eba\u5de5\u65f6\u6548\u3002\u8fd9\u662f7003\u578b\u6750\u6700\u5e38\u7528\u4e14\u6700\u7ecf\u6d4e\u7684\u72b6\u6001\u3002.<\/li>\n\n\n\n<li><strong>T6<\/strong> \u2014\u2014\u56fa\u6eb6\u70ed\u5904\u7406\u3001\u6dec\u706b\u5e76\u4eba\u5de5\u65f6\u6548\u3002\u989d\u5916\u4e00\u9053\u5de5\u5e8f\u6362\u6765\u66f4\u9ad8\u7684\u5f3a\u5ea6\uff1b\u5bf9\u5408\u9002\u7684\u622a\u9762\u53ef\u901a\u8fc7\u5728\u7ebf\u6dec\u706b\u5b9e\u73b0\u3002.<\/li>\n\n\n\n<li><strong>T651<\/strong> \u2014\u2014\u65f6\u6548\u540e\u901a\u8fc7\u62c9\u4f38\u8fdb\u884c\u5e94\u529b\u6d88\u9664\u3002\u5b83\u5c5e\u4e8eASTM\u8303\u7574\uff0c\u9002\u7528\u4e8e\u9700\u8981\u52a0\u5de5\u5230\u4e25\u683c\u516c\u5dee\u8981\u6c42\u7684\u96f6\u4ef6\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u813e\u6c14<\/td><td>\u6297\u62c9\u5f3a\u5ea6\uff0cRm\uff08MPa\uff09<\/td><td>\u5c48\u670d\u5f3a\u5ea6\uff0cRp0.2\uff08MPa\uff09<\/td><td>\u4f38\u957f\u7387 (%)<\/td><td>\u57fa\u7840<\/td><\/tr><tr><td>T5<\/td><td>~350\u5178\u578b\u503c \/ 310\u6700\u5c0f\u503c<\/td><td>~300\u5178\u578b\u503c \/ 260\u6700\u5c0f\u503c<\/td><td>10 (A50)<\/td><td>EN 755-2\u6700\u5c0f\u503c\uff1b\u751f\u4ea7\u5546\u5178\u578b\u503c<\/td><\/tr><tr><td>T6<\/td><td>~370\u2013390<\/td><td>~300\u2013320<\/td><td>8\u201312<\/td><td>\u751f\u4ea7\u5546\u6570\u636e\uff1b\u8bf7\u5bf9\u7167\u9002\u7528\u6807\u51c6\u786e\u8ba4<\/td><\/tr><tr><td>T651<\/td><td>~370\u2013390<\/td><td>~300\u2013320<\/td><td>8\u201312<\/td><td>\u751f\u4ea7\u5546\u6570\u636e\uff1bASTM\u8303\u7574\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u65f6\u53c2\u8003\u6700\u5c0f\u503c\u5217\uff0c\u89c4\u5212\u65f6\u53c2\u8003\u5178\u578b\u503c\u5217\u3002EN 755-2\u5c06T5\u7684\u4e0b\u9650\u8bbe\u5b9a\u4e3a260 MPa\u5c48\u670d\u5f3a\u5ea6\u548c310 MPa\u6297\u62c9\u5f3a\u5ea6\uff0c\u6309\u58c1\u539a\u7b49\u7ea7\u5217\u8868\uff0c\u5178\u578b\u6324\u538b\u6750\u6599\u7684\u6d4b\u8bd5\u503c\u8fdc\u9ad8\u4e8e\u8be5\u4e0b\u9650\u3002\u4e70\u65b9\u53ef\u4ee5\u5199\u5165\u56fe\u7eb8\u7684\u6570\u636e\u662f\u9002\u7528\u539a\u5ea6\u7b49\u7ea7\u7684\u6700\u5c0f\u503c\uff0c\u5e76\u5728MTC\u4e0a\u786e\u8ba4\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7003\u4e0e6061\u30017005\u548c7075\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\/7003-joining-method.webp\" alt=\"7003-joining-method\" class=\"wp-image-10703\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-joining-method.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-joining-method-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-joining-method-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-joining-method-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-joining-method-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5408\u91d1\/\u56de\u706b\u72b6\u6001<\/td><td>\u6297\u62c9\u5f3a\u5ea6\uff0cRm\uff08MPa\uff09<\/td><td>\u5c48\u670d\u5f3a\u5ea6\uff0cRp0.2\uff08MPa\uff09<\/td><td>\u710a\u63a5\u6027<\/td><td>\u8010\u8150\u8680\u6027<\/td><td>\u6700\u4f73\u9002\u7528\u573a\u666f<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/zh\/6061-%e9%93%9d%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97\/\">6061-T6<\/a><\/td><td>~310<\/td><td>~276<\/td><td>\u4f18\u79c0<\/td><td>\u826f\u597d<\/td><td>\u4e00\u822c\u7ed3\u6784\u7528\u9014\uff1b\u6613\u4e8e\u6210\u578b\u548c\u9633\u6781\u6c27\u5316<\/td><\/tr><tr><td>7003-T5<\/td><td>~350<\/td><td>~300<\/td><td>\u826f\u597d\uff1b\u710a\u63a5\u540e\u53ef\u91cd\u65b0\u65f6\u6548<\/td><td>\u4e2d\u7b49\uff1b\u5bf9\u5e94\u529b\u8150\u8680\u654f\u611f<\/td><td>\u6324\u538b\u710a\u63a5\u6846\u67b6\u548c\u578b\u6750<\/td><\/tr><tr><td><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-T5<\/a><\/td><td>~345<\/td><td>~290<\/td><td>\u4f18\u79c0<\/td><td>\u4e2d\u5ea6<\/td><td>\u710a\u63a5\u9ad8\u5f3a\u5ea6\u6846\u67b6<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/zh\/%e6%8e%8c%e6%8f%a1-7075-t651-%e9%93%9d%e5%90%88%e9%87%91%e7%bb%bc%e5%90%88%e6%8c%87%e5%8d%97\/\">7075-T6<\/a><\/td><td>~572<\/td><td>~503<\/td><td>\u8d2b\u7a77<\/td><td>\u6709\u9650<\/td><td>\u822a\u7a7a\u822a\u5929\u53ca\u5176\u4ed6\u5cf0\u503c\u5f3a\u5ea6\u96f6\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u95ee\u4e00\u4e2a\u95ee\u9898\uff1a\u8be5\u96f6\u4ef6\u662f\u5426\u9700\u8981\u710a\u63a5\uff1f\u5982\u679c\u9700\u8981\uff0c7075\u5c31\u51fa\u5c40\u4e86\uff0c\u56e0\u4e3a\u5b83\u5728\u5b9e\u9645\u4e2d\u4e0d\u53ef\u7194\u710a\uff0c\u9009\u62e9\u8303\u56f4\u7f29\u5c0f\u52307003\u30017005\u62166061\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e24\u79cd7000\u7cfb\u9009\u9879\u4e2d\uff0c\u5178\u578bT5\u5c48\u670d\u503c\u76f8\u5dee\u7ea615 MPa\u4ee5\u5185\uff0c\u56e0\u6b64\u51b3\u5b9a\u56e0\u7d20\u5728\u4e8e\u5de5\u827a\u800c\u975e\u5f3a\u5ea6\u30027003\u66f4\u5bb9\u6613\u6324\u538b\u8584\u58c1\u3001\u590d\u6742\u578b\u6750\uff0c\u4e14\u5728\u8fd9\u4e9b\u65b9\u9762\u80fd\u66f4\u597d\u5730\u4fdd\u6301\u6676\u7c92\u7ed3\u6784\uff1b7005\u542b\u6709\u9530\uff0c\u5728\u710a\u63a5\u6846\u67b6\u9700\u8981\u6700\u9ad8\u63a5\u5934\u5f3a\u5ea6\u65f6\u662f\u66f4\u5e38\u89c1\u7684\u9009\u62e9\u3002\u5982\u679c\u96f6\u4ef6\u662f\u673a\u52a0\u5de5\u4e14\u4ece\u4e0d\u710a\u63a5\uff0c6061-T6\u66f4\u4fbf\u5b9c\u3001\u66f4\u6613\u6210\u578b\uff0c\u4e14\u5e93\u5b58\u8303\u56f4\u5e7f\u5f97\u591a\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u52a0\u5de57003<\/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\/7003-welding-and-aging.webp\" alt=\"7003-welding-and-aging\" class=\"wp-image-10702\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-welding-and-aging.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-welding-and-aging-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-welding-and-aging-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-welding-and-aging-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-welding-and-aging-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u710a\u63a5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7003\u4f7f\u75285xxx\u710a\u4e1d\u8fdb\u884c\u710a\u63a5\u3002ER5356\uff08EN ISO 18273 AlMg5Cr(A)\uff09\u662f\u9ed8\u8ba4\u9009\u62e9\uff0cER5183\uff08AlMg4.5Mn0.7(A)\uff09\u9002\u7528\u4e8e\u9700\u8981\u66f4\u9ad8\u710a\u6001\u5f3a\u5ea6\u7684\u63a5\u5934\uff0cER5556\uff08AlMg4.5MnZr\uff09\u51fa\u73b0\u5728\u8f83\u91cd\u7684\u7ed3\u6784\u5de5\u7a0b\u4e2d\u3002\u94dc\u542b\u91cf\u88ab\u63a7\u5236\u5728\u4f4e\u6c34\u5e73\u6b63\u662f\u4e3a\u4e86\u8ba9\u8fd9\u4e9b\u710a\u4e1d\u53d1\u6325\u6b63\u5e38\u6027\u80fd\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u710a\u63a5\u4ecd\u4f1a\u8f6f\u5316\u70ed\u5f71\u54cd\u533a\uff0c\u4f467003\u6bd4\u542b\u94dc7xxx\u7cfb\u724c\u53f7\u80fd\u6062\u590d\u66f4\u591a\u3002\u5df2\u53d1\u5e03\u76847003\u5408\u91d1\u6570\u636e\u8868\u660e\uff0c\u710a\u63a5\u4ef6\u65f6\u6548\u540e\u63a5\u5934\u53ef\u6062\u590d\u81f3\u6bcd\u6750\u6027\u80fd\u7684\u7ea690%\u2014\u2014\u901a\u8fc7\u968f\u65f6\u95f4\u81ea\u7136\u65f6\u6548\u6216\u8865\u5145\u4eba\u5de5\u65f6\u6548\u5b9e\u73b0\u3002\u63a5\u5934\u8bbe\u8ba1\u5e94\u57fa\u4e8e\u8fd9\u4e9b\u65f6\u6548\u540e\u7684\u710a\u6001\u503c\uff0c\u800c\u975e\u6bcd\u6750T6\u5217\u7684\u6570\u636e\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u673a\u68b0\u52a0\u5de5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7003\u6bd46061\u66f4\u96be\u5207\u524a\uff0c\u56e0\u6b64\u9884\u8ba1\u5200\u5177\u78e8\u635f\u66f4\u5927\uff0c\u5e94\u89c4\u5212\u4f7f\u7528\u950b\u5229\u7684\u9ad8\u524d\u89d2\u5200\u5177\u548c\u521a\u6027\u88c5\u5939\u3002T5\u548cT6\u6bd4\u66f4\u8f6f\u7684\u72b6\u6001\u80fd\u83b7\u5f97\u66f4\u5149\u6d01\u7684\u8868\u9762\u3002\u6324\u538b\u576f\u6599\u4e2d\u7684\u6b8b\u4f59\u5e94\u529b\u53ef\u80fd\u5728\u673a\u52a0\u5de5\u8fc7\u7a0b\u4e2d\u6216\u540e\u7eed\u710a\u63a5\u65f6\u8868\u73b0\u4e3a\u53d8\u5f62\uff0c\u56e0\u6b64\u5e94\u4fdd\u6301\u6574\u4e2a\u622a\u9762\u4e0a\u7684\u5747\u5300\u53bb\u9664\u91cf\u3002\u8fd9\u4e9b\u72b6\u6001\u8fd8\u5177\u6709\u7f3a\u53e3\u654f\u611f\u6027\uff0c\u8fd9\u610f\u5473\u7740\u5e94\u5148\u6210\u578b\u96f6\u4ef6\u518d\u8fdb\u884c\u65f6\u6548\u548c\u70ed\u5904\u7406\u2014\u2014\u800c\u4e0d\u662f\u53cd\u8fc7\u6765\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8150\u8680\u4e0e\u5e94\u529b\u8150\u8680\u9650\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a7xxx\u7cfb\u724c\u53f7\uff0c\u5176\u4e00\u822c\u5927\u6c14\u8010\u8150\u8680\u6027\u826f\u597d\uff1a\u8fdc\u4f18\u4e8e\u542b\u94dc\u76847075\uff0c\u4f46\u900a\u4e8e6xxx\u7cfb\u3002\u6d77\u6d0b\u73af\u5883\u662f\u8584\u5f31\u73af\u8282\uff0c7003\u5408\u91d1\u6570\u636e\u5bf9\u6d77\u6d0b\u8010\u8150\u8680\u6027\u8bc4\u4ef7\u8f83\u5dee\uff0c\u56e0\u6b64\u88f8\u9732\u7684\u76d0\u6c34\u6216\u6c2f\u5316\u7269\u6d78\u6ce1\u4e0d\u662f\u5b83\u7684\u7528\u6b66\u4e4b\u5730\u3002\u9633\u6781\u6c27\u5316\u3001\u6d82\u6f06\u6216\u4fdd\u62a4\u819c\u53ef\u8986\u76d6\u5927\u591a\u6570\u6237\u5916\u548c\u6cbf\u6d77\u66b4\u9732\u573a\u666f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e94\u529b\u8150\u8680\u5f00\u88c2\u9700\u8981\u5355\u72ec\u5173\u6ce8\u30027003\u5728\u6f6e\u6e7f\u6216\u542b\u6c2f\u5316\u7269\u73af\u5883\u4e2d\u6301\u7eed\u62c9\u5e94\u529b\u4e0b\u5bf9\u5e94\u529b\u8150\u8680\u5f00\u88c2\u654f\u611f\uff0c\u56e0\u6b64\u5e94\u5c06\u5176\u89c6\u4e3a\u8bbe\u8ba1\u9650\u5236\u800c\u975e\u8fb9\u7f18\u60c5\u51b5\uff1a\u5c06\u6301\u7eed\u5e94\u529b\u4fdd\u6301\u5728\u4f9b\u5e94\u5546\u6570\u636e\u6240\u5141\u8bb8\u7684\u8be5\u72b6\u6001\u548c\u622a\u9762\u7684\u8303\u56f4\u5185\uff0c\u5e76\u5728\u5b58\u5728\u6c34\u5206\u7684\u4efb\u4f55\u8868\u9762\u8fdb\u884c\u9632\u62a4\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528\u6e29\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c067003\u89c6\u4e3a\u5ba4\u6e29\u7ed3\u6784\u5408\u91d1\u3002\u4e0e\u6240\u6709\u6c89\u6dc0\u786c\u5316\u724c\u53f7\u4e00\u6837\uff0c\u968f\u7740\u670d\u5f79\u6e29\u5ea6\u5347\u9ad8\uff0c\u5b83\u4f1a\u8fc7\u65f6\u6548\u5e76\u635f\u5931\u5f3a\u5ea6\uff0c\u56e0\u6b64\u4efb\u4f55\u9ad8\u6e29\u5e94\u7528\u90fd\u5e94\u5bf9\u7167\u7279\u5b9a\u72b6\u6001\u7684\u8bbe\u8ba1\u6570\u636e\u6765\u6838\u67e5\uff0c\u800c\u4e0d\u662f\u5047\u8bbe\u5ba4\u6e29\u503c\u4ecd\u7136\u6210\u7acb\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e94\u7528<\/h2>\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\/7003-structural-applications.webp\" alt=\"7003-structural-applications\" class=\"wp-image-10704\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-structural-applications.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-structural-applications-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-structural-applications-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-structural-applications-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-structural-applications-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u811a\u624b\u67b6\u3001\u767b\u53f0\u548c\u901a\u9053\u5e73\u53f0\u90e8\u4ef6<\/li>\n\n\n\n<li>\u79fb\u52a8\u5f0f\u8d77\u91cd\u673a\u3001\u5347\u964d\u673a\u548c\u5176\u4ed6\u710a\u63a5\u627f\u8f7d\u7ed3\u6784<\/li>\n\n\n\n<li>\u94c1\u8def\u548c\u5730\u94c1\u8f66\u4f53\u53ca\u7ed3\u6784\u6784\u4ef6<\/li>\n\n\n\n<li>\u81ea\u884c\u8f66\u548c\u6469\u6258\u8f66\u8f66\u67b6\uff0c\u4ee5\u53ca\u8fd0\u52a8\u5668\u6750<\/li>\n\n\n\n<li>\u822a\u7a7a\u8d27\u8fd0\u96c6\u88c5\u7bb1\u3001\u5361\u8f66\u548c\u62d6\u8f66\u8f66\u67b6<\/li>\n\n\n\n<li>\u7535\u52a8\u6c7d\u8f66\u7535\u6c60\u5305\u6846\u67b6\u548c\u8f7b\u578b\u7ed3\u6784\u6324\u538b\u4ef6<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u9002\u7528\u6027\u5224\u5b9a\u6807\u51c6<\/h2>\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\/7003-selection-limits.webp\" alt=\"7003-selection-limits\" class=\"wp-image-10705\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-selection-limits.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-selection-limits-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-selection-limits-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-selection-limits-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7003-selection-limits-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9009\u62e9\u5efa\u8bae\u2014\u2014\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\u6307\u5b9a7003\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96f6\u4ef6\u9700\u8981\u6bd46061-T6\u66f4\u9ad8\u7684\u5f3a\u5ea6\u4e14\u9700\u8981\u710a\u63a5\uff0c\u56e0\u4e3a7003\u53ef\u91cd\u65b0\u65f6\u6548\u81f3\u63a5\u8fd1\u6bcd\u6750\u503c\uff0c\u800c7075\u5b8c\u5168\u65e0\u6cd5\u710a\u63a5\u3002.<\/li>\n\n\n\n<li>\u96f6\u4ef6\u662f\u6324\u538b\u578b\u6750\u6216\u7ba1\u6750\uff0c\u4e14\u622a\u9762\u8584\u6216\u590d\u6742\uff0c\u6b64\u65f67003\u7684\u6324\u538b\u6027\u80fd\u4f18\u52bf\u5f97\u4ee5\u4f53\u73b0\u3002.<\/li>\n\n\n\n<li>\u670d\u5f79\u73af\u5883\u4e3a\u5ba4\u5185\uff0c\u6216\u8868\u9762\u5c06\u8fdb\u884c\u9633\u6781\u6c27\u5316\u3001\u6d82\u6f06\u6216\u8986\u819c\u3002.<\/li>\n\n\n\n<li>\u6301\u7eed\u5e94\u529b\u4fdd\u6301\u5728\u4f9b\u5e94\u5546\u6570\u636e\u6240\u5141\u8bb8\u7684\u8be5\u72b6\u6001\u548c\u622a\u9762\u7684\u5e94\u529b\u8150\u8680\u5f00\u88c2\u9650\u503c\u4ee5\u5185\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u9002\u7528\u2014\u2014\u5728\u4ee5\u4e0b\u60c5\u51b5\u53e6\u5bfb\u4ed6\u9009\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u8d85\u8fc7\u7ea6500 MPa\u5c48\u670d\u5f3a\u5ea6\u7684\u822a\u7a7a\u822a\u5929\u7ea7\u5cf0\u503c\u5f3a\u5ea6\u3002\u90a3\u5c5e\u4e8e7075\u62167055\u7684\u9886\u57df\u3002.<\/li>\n\n\n\n<li>\u9884\u671f\u65e0\u6d82\u5c42\u6761\u4ef6\u4e0b\u88f8\u9732\u4e8e\u76d0\u6c34\u6216\u6c2f\u5316\u7269\u6d78\u6ce1\u73af\u5883\u3002\u8bf7\u4f7f\u75285083\u62166xxx\u7cfb\u724c\u53f7\u3002.<\/li>\n\n\n\n<li>\u96f6\u4ef6\u4e3a\u673a\u52a0\u5de5\u4e14\u4ece\u4e0d\u710a\u63a5\u30026061-T6\u66f4\u4fbf\u5b9c\u3001\u66f4\u6613\u6210\u578b\uff0c\u4e14\u5e93\u5b58\u66f4\u5e7f\u3002.<\/li>\n\n\n\n<li>\u8ba1\u5212\u5728\u65f6\u6548\u540e\u8fdb\u884c\u91cd\u5ea6\u51b7\u6210\u578b\u3002\u5e94\u5148\u6210\u578b\u96f6\u4ef6\uff0c\u518d\u8fdb\u884c\u70ed\u5904\u7406\u3002.<\/li>\n\n\n\n<li>\u56fe\u7eb8\u8981\u6c427003\u6309\u6241\u5e73\u8f67\u5236\u6807\u51c6\u4ee5\u8f67\u5236\u677f\u6750\u5f62\u5f0f\u4f9b\u8d27\u3002\u62a5\u4ef7\u524d\u8bf7\u786e\u8ba4\u4ea7\u54c1\u5f62\u6001\u53ca\u5176\u89c4\u8303\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u91c7\u8d2d\u987b\u77e5\uff1a\u4e0b\u5355\u524d\u9700\u786e\u8ba4\u7684\u4e8b\u9879<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7003\u9996\u5148\u662f\u4e00\u79cd\u6324\u538b\u5408\u91d1\u3002\u6309ASTM B221\u6216EN 755-2\u4f9b\u8d27\u7684\u68d2\u6750\u3001\u7ba1\u6750\u548c\u578b\u6750\u662f\u6807\u51c6\u8303\u56f4\uff0c\u800c\u6241\u5e73\u8f67\u5236\u76847003\u5c5e\u4e8e\u4e0d\u540c\u7684\u89c4\u8303\u2014\u2014\u56e0\u6b64\u5728\u8be2\u4ef7\u65f6\u5e94\u6ce8\u660e\u4ea7\u54c1\u5f62\u6001\u53ca\u5176\u9002\u7528\u6807\u51c6\u3002\u5f62\u72b6\u4e0d\u662f\u9650\u5236\uff1a\u975e\u6807\u51c6\u622a\u9762\u3001\u5c3a\u5bf8\u548c\u4ea7\u54c1\u5f62\u72b6\u5747\u53ef\u6309\u60a8\u7684\u56fe\u7eb8\u751f\u4ea7\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be2\u4ef7\u5355\u4e0a\u56db\u884c\u4fe1\u606f\u5c31\u80fd\u5b8c\u6210\u5927\u90e8\u5206\u5de5\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9002\u7528\u6807\u51c6<\/strong> \u2014 ASTM B221 or EN 755-2.<\/li>\n\n\n\n<li><strong>\u813e\u6c14<\/strong> \u2014 T5, T6, or T651, plus the aging route for any welded assembly.<\/li>\n\n\n\n<li><strong>Governing wall thickness<\/strong> \u2014 minimum mechanical values in EN 755-2 are tabulated by thickness class.<\/li>\n\n\n\n<li><strong>\u6587\u4ef6\u7ea7\u522b<\/strong> \u2014 MTC as standard; EN 10204 3.1 or SGS reports where the project requires independent verification.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">On documents, the MTC that ships with every order carries the chemistry and mechanical results for that lot. Certificate levels are worth getting right: EN 10204 3.1 is signed by the manufacturer&#8217;s own authorised inspection representative, while 3.2 adds an independent third party such as a customer representative or a body like T\u00dcV, BV, SGS, or DNV.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/zh\/%e4%ba%a7%e5%93%81\/7003-%e9%93%9d%e5%90%88%e9%87%91\/\" data-type=\"product\" data-id=\"8667\">7003 \u94dd<\/a> gives you most of the 7xxx strength advantage in a form that extrudes cleanly and can actually be welded, but the trade-offs are real: corrosion resistance is moderate, stress-corrosion cracking is a genuine design limit, and flat-rolled forms sit under a different specification from the extrusion range.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We supply 7003 in extruded profile, bar, and tube, and produce custom shapes, sizes, and tempers to your drawing through low-MOQ production with lead times of 10\u201360 days. Every order ships with an MTC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/zh\/%e8%81%94%e7%b3%bb\/\" data-type=\"page\" data-id=\"350\">\u8bf7\u5c06\u56fe\u7eb8\u53d1\u9001\u7ed9\u6211\u4eec<\/a> with the temper and the weld route for a form, temper, and availability check.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is the minimum order quantity and lead time for 7003?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6807\u51c6\u56de\u706b\u72b6\u6001\u548c\u5c3a\u5bf8\u4ece\u5e93\u5b58\u53d1\u8d27\u3002\u975e\u6807\u51c6\u56de\u706b\u72b6\u6001\u548c\u5b9a\u5236\u5c3a\u5bf8\u6309\u4f4e\u8d77\u8ba2\u91cf\u751f\u4ea7\uff0c\u901a\u5e38\u4e3a10\u201360\u5929\uff0c\u53d6\u51b3\u4e8e\u5408\u91d1\u3001\u5c3a\u5bf8\u548c\u52a0\u5de5\u5de5\u827a\u3002\u8bf7\u53d1\u9001\u56fe\u7eb8\u548c\u6570\u91cf\uff0c\u4ee5\u4fbf\u786e\u8ba4\u4e24\u8005\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What documents come with a 7003 order?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A mill test certificate listing the chemistry and mechanical results for the lot, included with every order. SGS chemical, mechanical or ultrasonic reports are available on request at extra cost, and EN 10204 3.2 adds an independent countersignature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can you supply 7003 cut to length or machined to drawing?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. Extruded bar, tube and profile are cut to finished lengths, and in-house CNC machining covers drilled, tapped and milled features. Send the drawing with the finishes and tolerances so the material and the processing can be quoted together.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can 7003 replace 6061 in a welded frame?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It can, and it buys strength rather than saving cost. 7003 welds with a 5xxx filler and re-ages toward parent values afterwards, where 6061 gives up heat-affected-zone strength permanently. Where the frame does not need the extra strength, 6061 stays the cheaper route.<\/p>","protected":false},"excerpt":{"rendered":"<p>7003 is a weldable 7xxx extrusion alloy. It was developed so that a welded joint recovers most of its strength during service aging instead of being written off in the heat-affected zone \u2014 the problem that keeps 7075 out of welded structure. It gets there by giving up copper. Copper is what lifts 7075 and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"7003 Aluminum Alloy: Properties, Tempers and Weldability","_seopress_titles_desc":"7003 aluminum is the weldable, extrudable 7xxx grade: Zn-Mg-Zr chemistry, EN 755-2 minimums, typical T5 and T6 data, filler choice, corrosion limits and sourcing notes.","_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-8804","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\/8804","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=8804"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts\/8804\/revisions"}],"predecessor-version":[{"id":10706,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/posts\/8804\/revisions\/10706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/media\/10700"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/media?parent=8804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/categories?post=8804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/zh\/wp-json\/wp\/v2\/tags?post=8804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}