{"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":"%ec%95%8c%ec%95%84%ec%95%bc-%ed%95%a0-7003-%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84-%ec%a3%bc%ec%9a%94-%ec%82%ac%ec%8b%a4-%ec%95%8c%ec%95%84%eb%b3%b4%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/ko\/discover-7003-aluminum-key-facts-you-need-to-know\/","title":{"rendered":"7003 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08: \ud2b9\uc131, \ud15c\ud37c \ubc0f \uc801\uc6a9 \ubd84\uc57c"},"content":{"rendered":"<p class=\"wp-block-paragraph\">7003\uc740 \uc6a9\uc811 \uac00\ub2a5\ud55c 7xxx \uc555\ucd9c \ud569\uae08\uc785\ub2c8\ub2e4. \uc774 \ud569\uae08\uc740 \uc6a9\uc811 \uc870\uc778\ud2b8\uac00 \uc5f4\uc601\ud5a5\ubd80\uc5d0\uc11c \ubb34\uc6a9\uc9c0\ubb3c\uc774 \ub418\ub294 \ub300\uc2e0 \uc0ac\uc6a9 \uc911 \uc2dc\ud6a8 \ucc98\ub9ac\uc5d0 \uc758\ud574 \uac15\ub3c4\uc758 \ub300\ubd80\ubd84\uc744 \ud68c\ubcf5\ud558\ub3c4\ub85d \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4 \u2014 \uc774\uac83\uc774 \ubc14\ub85c 7075\ub97c \uc6a9\uc811 \uad6c\uc870\ubb3c\uc5d0\uc11c \ubc30\uc81c\uc2dc\ud0a4\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uad6c\ub9ac\ub97c \ud3ec\uae30\ud568\uc73c\ub85c\uc368 \ub2ec\uc131\ub429\ub2c8\ub2e4. \uad6c\ub9ac\ub294 7075\uc640 7001\uc744 \ucd5c\ub300 \uac15\ub3c4\ub85c \ub04c\uc5b4\uc62c\ub9ac\ub294 \uc6d0\uc18c\uc774\uc790, \ub3d9\uc2dc\uc5d0 \uc774\ub4e4\uc744 \uc6a9\uc811 \ubd88\uac00\ub2a5\ud558\uac8c \ub9cc\ub4e4\uace0 \uc751\ub825\ubd80\uc2dd\uade0\uc5f4\uc5d0 \ucde8\uc57d\ud558\uac8c \ub9cc\ub4dc\ub294 \uc6d0\uc18c\uc785\ub2c8\ub2e4. 7003\uc740 \uad6c\ub9ac \ud568\ub7c9\uc744 0.20% \uc774\ud558\ub85c \uc81c\ud55c\ud558\uace0 \ub300\uc2e0 \uc544\uc5f0, \ub9c8\uadf8\ub124\uc298, \uc9c0\ub974\ucf54\ub284\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uac15\ub3c4 \ub4f1\uae09\uc740 7075\ubcf4\ub2e4 \ub0ae\uace0 6061\ubcf4\ub2e4 \ub192\uc2b5\ub2c8\ub2e4 \u2014 \uac70\ub798\uc758 \ud575\uc2ec\uc740 \uc870\uc778\ud2b8\uac00 \uc0b4\uc544\ub0a8\ub294\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7003 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7003\uc740 7000\uacc4\uc5f4\uc758 \uc5f4\ucc98\ub9ac \uac00\ub2a5 \ud569\uae08\uc785\ub2c8\ub2e4. \uc544\uc5f0\uc774 \uc8fc\uc694 \ud569\uae08 \uc6d0\uc18c\uc774\uba70 \ub9c8\uadf8\ub124\uc298\uc774 MgZn\u2082 \uac15\ud654\uc0c1\uc744 \ud615\uc131\ud558\uace0, \uad6c\ub9ac\ub294 \ud569\uae08\uc774 \uae30\uc874 \uacf5\uc815\uc73c\ub85c \uc6a9\uc811\ub420 \uc218 \uc788\uc744 \ub9cc\ud07c \ub0ae\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\ub974\ucf54\ub284\uc740 \uc774 \ud569\uae08\uc758 \uacb0\uc815\uc801 \ucca8\uac00 \uc6d0\uc18c\uc785\ub2c8\ub2e4. 0.05\u20130.25% \ubc94\uc704\uc5d0\uc11c \uc7ac\uacb0\uc815 \uc628\ub3c4\ub97c \ub192\uc774\uace0 \uc555\ucd9c \uacfc\uc815\uc5d0\uc11c \ubbf8\uc138\ud55c \uacb0\uc815\ub9bd \uad6c\uc870\ub97c \uc720\uc9c0\ud558\uba70, \uc774\ub294 \uc6a9\uc811 \ud480\uc5d0\uc11c\uc758 \uace0\uc628 \uade0\uc5f4\uc744 \uc5b5\uc81c\ud558\uace0 \uc555\ucd9c \uc139\uc158\uc774 \uc2dc\ud6a8 \ud6c4\uc5d0\ub3c4 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \uc5c6\uace0 \uc81c\uc5b4\ub41c \uacb0\uc815\ub9bd \uad6c\uc870\uac00 7003\uc744 \uad6c\ub9ac \ud568\uc720 7xxx \ub4f1\uae09\uacfc \uad6c\ubcc4\uc9d3\ub294 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc694\uc18c<\/td><td>\ubc94\uc704 (\uc911\ub7c9 \uae30\uc900 %)<\/td><td>\uc5ed\ud560<\/td><\/tr><tr><td>\uc544\uc5f0(Zn)<\/td><td>5.0\u20136.5<\/td><td>\u4e3b\u8981\u5f3a\u5316\u5143\u7d20<\/td><\/tr><tr><td>\ub9c8\uadf8\ub124\uc298(Mg)<\/td><td>0.5\u20131.0<\/td><td>MgZn\u2082 \uac15\ud654\uc0c1 \ud615\uc131<\/td><\/tr><tr><td>\uc9c0\ub974\ucf54\ub284(Zr)<\/td><td>0.05\u20130.25<\/td><td>\uacb0\uc815\ub9bd \ubbf8\uc138\ud654; \uc6a9\uc811 \uace0\uc628 \uade0\uc5f4 \uc800\ud56d<\/td><\/tr><tr><td>\ud06c\ub86c(Cr)<\/td><td>\u22640.20<\/td><td>\uacb0\uc815\ub9bd \uad6c\uc870 \uc81c\uc5b4<\/td><\/tr><tr><td>\ub9dd\uac04(Mn)<\/td><td>\u22640.30<\/td><td>\ubbf8\ub7c9 \uc6d0\uc18c \uc81c\uc5b4<\/td><\/tr><tr><td>\uad6c\ub9ac(Cu)<\/td><td>\u22640.20<\/td><td>\uc6a9\uc811\uc131\uacfc \ub0b4\uc2dd\uc131\uc744 \uc704\ud574 \ub0ae\uac8c \uc720\uc9c0<\/td><\/tr><tr><td>\ucca0(Fe)<\/td><td>\u22640.35<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\uc2e4\ub9ac\ucf58(Si)<\/td><td>\u22640.30<\/td><td>\u6742\u8d28\u9650\u91cf<\/td><\/tr><tr><td>\ud2f0\ud0c0\ub284(Ti)<\/td><td>\u22640.20<\/td><td>\u6676\u7c92\u7ec6\u5316\u5242<\/td><\/tr><tr><td>\uae30\ud0c0 (\uac01\uac01 \/ \uc804\uccb4)<\/td><td>\u22640.05 \/ \u22640.15<\/td><td>\ubbf8\ub7c9 \ud55c\ub3c4<\/td><\/tr><tr><td>\uc54c\ub8e8\ubbf8\ub284(Al)<\/td><td>\uc794\uc561<\/td><td>\ube44\uadc0\uae08\uc18d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc94\uc704\ub294 EN 573-3 \ubc0f AA \ub4f1\ub85d\uc744 \ub530\ub985\ub2c8\ub2e4 \u2014 EN AW-7003, \ud654\ud559 \uba85\uce6d AlZn6Mg0.8Zr, UNS A97003. \ubc00\ub3c4\ub294 \uc57d 2.78 g\/cm\u00b3\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb34\uc5c7\ubcf4\ub2e4 \uba3c\uc800 \ud615\ud0dc\uc5d0 \uad00\ud55c \ud55c \uac00\uc9c0\uac00 \uc911\uc694\ud569\ub2c8\ub2e4: 7003\uc740 \uc6b0\uc120\uc801\uc73c\ub85c \uc555\ucd9c \ud569\uae08\uc785\ub2c8\ub2e4. \ubd09\uc7ac, \uad00\uc7ac, \ud504\ub85c\ud30c\uc77c\uc774 ASTM B221 \ubc0f EN 755-2\uc5d0 \ub530\ub978 \ud45c\uc900 \uc81c\ud488 \ubc94\uc704\uc774\uba70, \uc77c\uc0c1\uc801\uc778 \ud3c9\ud310 \uc555\uc5f0 \uc9c0\uc815\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud6c4\ud310\uacfc \ubc15\ud310\uc740 \ub2e4\ub978 \uaddc\uaca9\uc5d0 \ud574\ub2f9\ud558\ubbc0\ub85c \ubb38\uc758 \uc2dc \ud615\ud0dc\uc640 \uadf8\uc5d0 \uc801\uc6a9\ub418\ub294 \ud45c\uc900\uc744 \uba85\uc2dc\ud574\uc57c \ud558\uba70, \ud45c\uc900 \ubc94\uc704\ub97c \ubc97\uc5b4\ub098\ub294 \uc139\uc158\uc774\ub098 \uc0ac\uc774\uc988\ub294 \ub3c4\uba74\uc5d0 \ub530\ub77c \uc0dd\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc870\uc9c8 \ubc0f \uc77c\ubc18 \uae30\uacc4\uc801 \ud2b9\uc131<\/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\">\uc870\uc9c8 \uc0c1\ud0dc\ub294 \ud569\uae08 \uc120\ud0dd\ubcf4\ub2e4 \ub0a9\ud488 \ubd80\ud488\uc5d0 \ub354 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T5<\/strong> \u2014 \uc555\ucd9c \ud504\ub808\uc2a4\uc5d0\uc11c \ub0c9\uac01\ud55c \ud6c4 \uc778\uacf5 \uc2dc\ud6a8 \ucc98\ub9ac. \uc774\uac83\uc774 7003 \ud504\ub85c\ud30c\uc77c\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc774\uace0 \uac00\uc7a5 \uacbd\uc81c\uc801\uc778 \uc870\uc9c8 \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T6<\/strong> \u2014 \uc6a9\uccb4\ud654 \uc5f4\ucc98\ub9ac, \uae09\ub7ad, \uc778\uacf5 \uc2dc\ud6a8 \ucc98\ub9ac. \ucd94\uac00 \uacf5\uc815 \ub2e8\uacc4 \ud558\ub098\ub85c \ub354 \ub192\uc740 \uac15\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\uba70, \uc801\ud569\ud55c \uc139\uc158\uc5d0\uc11c\ub294 \ud504\ub808\uc2a4 \uae09\ub7ad\uc73c\ub85c\ub3c4 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T651<\/strong> \u2014 \uc2dc\ud6a8 \ucc98\ub9ac \ud6c4 \uc778\uc7a5\uc5d0 \uc758\ud55c \uc751\ub825 \uc81c\uac70. tight \uacf5\ucc28\ub85c \uac00\uacf5\ub420 \ubd80\ud488\uc758 \uacbd\uc6b0 ASTM \uce21\uba74\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc131\uc9c8<\/td><td>\uc778\uc7a5\uac15\ub3c4, Rm (MPa)<\/td><td>\ud56d\ubcf5\uac15\ub3c4, Rp0.2 (MPa)<\/td><td>\uc5f0\uc2e0\uc728 (%)<\/td><td>\uae30\uc900<\/td><\/tr><tr><td>T5<\/td><td>~350 \uc77c\ubc18 \/ 310 \ucd5c\uc18c<\/td><td>~300 \uc77c\ubc18 \/ 260 \ucd5c\uc18c<\/td><td>10 (A50)<\/td><td>EN 755-2 \ucd5c\uc18c\uac12; \uc0dd\uc0b0\uc790 \uc77c\ubc18\uac12<\/td><\/tr><tr><td>T6<\/td><td>~370\u2013390<\/td><td>~300\u2013320<\/td><td>8\u201312<\/td><td>\uc0dd\uc0b0\uc790 \ub370\uc774\ud130; \uc801\uc6a9 \ud45c\uc900\uc5d0 \ub300\ud574 \ud655\uc778<\/td><\/tr><tr><td>T651<\/td><td>~370\u2013390<\/td><td>~300\u2013320<\/td><td>8\u201312<\/td><td>\uc0dd\uc0b0\uc790 \ub370\uc774\ud130; ASTM \uce21\uba74 \uc870\uc9c8 \uc0c1\ud0dc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4\uc5d0\ub294 \ucd5c\uc18c\uac12 \uc5f4\uc744, \uacc4\ud68d\uc5d0\ub294 \uc77c\ubc18\uac12 \uc5f4\uc744 \uc77d\uc73c\uc2ed\uc2dc\uc624. EN 755-2\ub294 T5\uc758 \ud558\ud55c\uc744 260 MPa \ud56d\ubcf5\uac15\ub3c4 \ubc0f 310 MPa \uc778\uc7a5\uac15\ub3c4\ub85c \uc124\uc815\ud558\uba70, \ubcbd \ub450\uaed8 \ub4f1\uae09\ubcc4\ub85c \ud45c\ub85c \uc81c\uc2dc\ub418\uc5b4 \uc788\uace0, \uc77c\ubc18\uc801\uc778 \uc555\ucd9c \uc18c\uc7ac\ub294 \uc774 \ud558\ud55c\uc744 \ud6e8\uc52c \uc0c1\ud68c\ud569\ub2c8\ub2e4. \uad6c\ub9e4\uc790\uac00 \ub3c4\uba74\uc5d0 \uae30\uc785\ud560 \uc218 \uc788\ub294 \uc218\uce58\ub294 \ud574\ub2f9 \ub450\uaed8 \ub4f1\uae09\uc758 \ucd5c\uc18c\uac12\uc774\uba70, MTC\uc5d0\uc11c \ud655\uc778\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7003 vs 6061, 7005, 7075<\/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>\ud569\uae08 \/ \uc870\uc9c8<\/td><td>\uc778\uc7a5\uac15\ub3c4, Rm (MPa)<\/td><td>\ud56d\ubcf5\uac15\ub3c4, Rp0.2 (MPa)<\/td><td>\uc6a9\uc811\uc131<\/td><td>\ub0b4\uc2dd\uc131<\/td><td>\ucd5c\uc801 \uc801\uc6a9 \ubd84\uc57c<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/ko\/6061-%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84%ec%97%90-%eb%8c%80%ed%95%9c-%ec%99%84%eb%b2%bd%ed%95%9c-%ea%b0%80%ec%9d%b4%eb%93%9c\/\">6061-T6<\/a><\/td><td>~310<\/td><td>~276<\/td><td>\uc6b0\uc218<\/td><td>Good<\/td><td>\uc77c\ubc18 \uad6c\uc870\uc6a9; \uc131\ud615 \ubc0f \uc544\ub178\ub2e4\uc774\uc9d5 \uc6a9\uc774<\/td><\/tr><tr><td>7003-T5<\/td><td>~350<\/td><td>~300<\/td><td>\uc591\ud638; \uc6a9\uc811 \ud6c4 \uc7ac\uc2dc\ud6a8\ub428<\/td><td>\ubcf4\ud1b5; \uc751\ub825\ubd80\uc2dd \ubbfc\uac10<\/td><td>\uc555\ucd9c \uc6a9\uc811 \ud504\ub808\uc784 \ubc0f \ud504\ub85c\ud30c\uc77c<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/ko\/%eb%a7%88%ec%8a%a4%ed%84%b0%eb%a7%81-7005-%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84-%ed%95%a9%ea%b8%88-%ec%a2%85%ed%95%a9-%ea%b0%80%ec%9d%b4%eb%93%9c\/\">7005-T5<\/a><\/td><td>~345<\/td><td>~290<\/td><td>\uc6b0\uc218<\/td><td>\ubcf4\ud1b5<\/td><td>\uc6a9\uc811 \uace0\uac15\ub3c4 \ud504\ub808\uc784<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/ko\/%eb%a7%88%ec%8a%a4%ed%84%b0%eb%a7%81-7075-t651-%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84-%ed%95%a9%ea%b8%88-%ec%a2%85%ed%95%a9-%ea%b0%80%ec%9d%b4%eb%93%9c\/\">7075-T6<\/a><\/td><td>~572<\/td><td>~503<\/td><td>Poor<\/td><td>\uc81c\ud55c\uc801<\/td><td>\ud56d\uacf5\uc6b0\uc8fc \ubc0f \uae30\ud0c0 \ucd5c\uace0 \uac15\ub3c4 \ubd80\ud488<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 \ud55c \uac00\uc9c0 \uc9c8\ubb38\uc744 \ud558\uc2ed\uc2dc\uc624: \ubd80\ud488\uc774 \uc6a9\uc811\ub420 \uac83\uc778\uac00? \uadf8\ub807\ub2e4\uba74 7075\ub294 \uc2e4\uc81c\ub85c \uc735\ud569 \uc6a9\uc811\uc774 \ubd88\uac00\ub2a5\ud558\ubbc0\ub85c \uc120\ud0dd\uc5d0\uc11c \uc81c\uc678\ub418\uace0, 7003, 7005, \ub610\ub294 6061\ub85c \uc881\ud600\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uac00\uc9c0 7000\uacc4\uc5f4 \uc635\uc158 \uc0ac\uc774\uc5d0\uc11c \uc77c\ubc18\uc801\uc778 T5 \ud56d\ubcf5\uac15\ub3c4 \uac12\uc740 \uc57d 15 MPa \uc774\ub0b4\uc758 \ucc28\uc774\ub97c \ubcf4\uc774\ubbc0\ub85c, \uacb0\uc815\uc801 \uae30\uc900\uc740 \uac15\ub3c4\uac00 \uc544\ub2c8\ub77c \uacf5\uc815\uc785\ub2c8\ub2e4. 7003\uc740 \uc587\uace0 \ubcf5\uc7a1\ud55c \ud504\ub85c\ud30c\uc77c\uc744 \ub354 \uc27d\uac8c \uc555\ucd9c\ud558\uace0 \uadf8\uacf3\uc5d0\uc11c \uacb0\uc815\ub9bd \uad6c\uc870\ub97c \ub354 \uc798 \uc720\uc9c0\ud569\ub2c8\ub2e4. 7005\ub294 \ub9dd\uac04\uc744 \ud568\uc720\ud558\uba70 \uc6a9\uc811 \ud504\ub808\uc784\uc774 \ucd5c\uace0\uc758 \uc870\uc778\ud2b8 \uac15\ub3c4\ub97c \ud544\uc694\ub85c \ud560 \ub54c \ub354 \uc77c\ubc18\uc801\uc73c\ub85c \uc120\ud0dd\ub429\ub2c8\ub2e4. \ubd80\ud488\uc774 \uac00\uacf5\ub418\uace0 \uc6a9\uc811\ub418\uc9c0 \uc54a\ub294\ub2e4\uba74, 6061-T6\uac00 \ub354 \uc800\ub834\ud558\uace0, \ub354 \uc27d\uac8c \uc131\ud615\ub418\uba70, \ud6e8\uc52c \ud3ed\ub113\uac8c \uc7ac\uace0\uac00 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7003 \uc791\uc5c5\ud558\uae30<\/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\">\uc6a9\uc811<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7003\uc740 5xxx \uc6a9\uac00\uc7ac\ub85c \uc6a9\uc811\ub429\ub2c8\ub2e4. ER5356 (EN ISO 18273 AlMg5Cr(A))\uc774 \uae30\ubcf8\uc774\uba70, ER5183 (AlMg4.5Mn0.7(A))\uc740 \uc6a9\uc811 \uc0c1\ud0dc \uac15\ub3c4\uac00 \ub354 \ud544\uc694\ud55c \uc870\uc778\ud2b8\uc5d0 \uc801\ud569\ud558\uace0, ER5556 (AlMg4.5MnZr)\uc740 \uc911\ub7c9 \uad6c\uc870 \uc791\uc5c5\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uad6c\ub9ac\uac00 \ub0ae\uac8c \uc720\uc9c0\ub418\ub294 \uc815\ud655\ud55c \uc774\uc720\ub294 \uc774\ub7ec\ud55c \uc6a9\uac00\uc7ac\uac00 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud568\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6a9\uc811\uc740 \uc5ec\uc804\ud788 \uc5f4\uc601\ud5a5\ubd80\ub97c \uc5f0\ud654\uc2dc\ud0a4\uc9c0\ub9cc, 7003\uc740 \uad6c\ub9ac \ud568\uc720 7xxx \ub4f1\uae09\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ubd80\ubd84\uc744 \ud68c\ubcf5\ud569\ub2c8\ub2e4. 7003\uc5d0 \ub300\ud55c \uacf5\uac1c \ud569\uae08 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 \uc6a9\uc811\ubb3c\uc774 \uc2dc\ud6a8 \ucc98\ub9ac\ub418\uba74 \uc870\uc778\ud2b8\uac00 \ubaa8\uc7ac \ud2b9\uc131\uc758 \uc57d 90%\uae4c\uc9c0 \ud68c\ubcf5\ub41c\ub2e4\uace0 \ubcf4\uace0\ub429\ub2c8\ub2e4 \u2014 \uc2dc\uac04 \uacbd\uacfc\uc5d0 \ub530\ub978 \uc790\uc5f0 \uc2dc\ud6a8 \ub610\ub294 \ucd94\uac00 \uc778\uacf5 \uc2dc\ud6a8\uc5d0 \uc758\ud574. \ubaa8\uc7ac T6 \uc5f4\uc774 \uc544\ub2cc, \uc2dc\ud6a8 \ucc98\ub9ac\ub41c \uc6a9\uc811 \uc0c1\ud0dc \uac12\uc744 \uae30\uc900\uc73c\ub85c \uc870\uc778\ud2b8\ub97c \uc124\uacc4\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uac00\uacf5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7003\uc740 6061\ubcf4\ub2e4 \uc808\uc0ad\uc774 \uc5b4\ub824\uc6b0\ubbc0\ub85c \uacf5\uad6c \ub9c8\ubaa8\uac00 \ub354 \ub9ce\uc744 \uac83\uc73c\ub85c \uc608\uc0c1\ud558\uace0 \ub0a0\uce74\ub85c\uc6b4 \uace0\uacbd\uc0ac \uacf5\uad6c\uc640 \uac15\uc131 \uc14b\uc5c5\uc744 \uacc4\ud68d\ud558\uc2ed\uc2dc\uc624. T5\uc640 T6\ub294 \uc5f0\ud55c \uc0c1\ud0dc\ubcf4\ub2e4 \ub354 \uae68\ub057\ud55c \ud45c\uba74\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \uc555\ucd9c \uc18c\uc7ac\uc758 \uc794\ub958 \uc751\ub825\uc740 \uac00\uacf5 \uc911 \ub610\ub294 \uc774\ud6c4 \uc6a9\uc811 \uc911\uc5d0 \ubcc0\ud615\uc73c\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc73c\ubbc0\ub85c \uc139\uc158 \uc804\uccb4\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \uc808\uc0ad \uae4a\uc774\ub97c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. \uc774\ub7ec\ud55c \uc870\uc9c8 \uc0c1\ud0dc\ub294 \ub178\uce58 \ubbfc\uac10\uc131\uc774\uae30\ub3c4 \ud558\ubbc0\ub85c, \uc2dc\ud6a8 \uc804\uc5d0 \ubd80\ud488\uc744 \uc131\ud615\ud558\uace0 \uc774\ud6c4\uc5d0 \uc5f4\ucc98\ub9ac\ud558\uc2ed\uc2dc\uc624 \u2014 \ubc18\ub300 \uc21c\uc11c\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd80\uc2dd \ubc0f \uc751\ub825\ubd80\uc2dd \ud55c\uacc4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18 \ub300\uae30 \ubd80\uc2dd \uc800\ud56d\uc131\uc740 7xxx \ub4f1\uae09\uc73c\ub85c\uc11c \uc591\ud638\ud569\ub2c8\ub2e4: \uad6c\ub9ac \ud568\uc720 7075\ubcf4\ub2e4 \ud6e8\uc52c \uc55e\uc11c\uace0, 6xxx \uacc4\uc5f4\ubcf4\ub2e4\ub294 \ub4a4\ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ud574\uc591 \ud658\uacbd\uc774 \uc57d\uc810\uc774\uba70, 7003 \ud569\uae08 \ub370\uc774\ud130\ub294 \ud574\uc591 \uc800\ud56d\uc131\uc744 \ub0ae\uac8c \ud3c9\uac00\ud558\ubbc0\ub85c \ucf54\ud305 \uc5c6\ub294 \ud574\uc218 \ub610\ub294 \uc5fc\ud654\ubb3c \uce68\uc9c0\ub294 \uadf8 \uc6a9\ub3c4\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc544\ub178\ub2e4\uc774\uc9d5, \ub3c4\uc7a5, \ub610\ub294 \ubcf4\ud638 \ud544\ub984\uc774 \ub300\ubd80\ubd84\uc758 \uc2e4\uc678 \ubc0f \ud574\uc548 \ub178\ucd9c\uc744 \ucee4\ubc84\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc751\ub825\ubd80\uc2dd\uade0\uc5f4\uc740 \ubcc4\ub3c4\uc758 \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 7003\uc740 \uc2b5\ud558\uac70\ub098 \uc5fc\ud654\ubb3c\uc774 \uc788\ub294 \ud658\uacbd\uc5d0\uc11c \uc9c0\uc18d\uc801\uc778 \uc778\uc7a5 \uc751\ub825 \ud558\uc5d0 SCC\uc5d0 \ucde8\uc57d\ud558\ubbc0\ub85c, \uc774\ub97c \uc608\uc678\uc801 \uc0ac\ub840\uac00 \uc544\ub2cc \uc124\uacc4 \ud55c\uacc4\ub85c \ucde8\uae09\ud558\uc2ed\uc2dc\uc624: \uc9c0\uc18d \uc751\ub825\uc744 \uacf5\uae09\uc5c5\uccb4 \ub370\uc774\ud130\uac00 \ud574\ub2f9 \uc870\uc9c8 \uc0c1\ud0dc\uc640 \uc139\uc158\uc5d0 \ub300\ud574 \ud5c8\uc6a9\ud558\ub294 \ubc94\uc704 \ub0b4\ub85c \uc720\uc9c0\ud558\uace0, \uc2b5\uae30\uac00 \uc788\ub294 \uacf3\uc5d0\uc11c\ub294 \ud45c\uba74\uc744 \ubcf4\ud638\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc0ac\uc6a9 \uc628\ub3c4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7003\uc744 \uc0c1\uc628 \uad6c\uc870\uc6a9 \ud569\uae08\uc73c\ub85c \ucde8\uae09\ud558\uc2ed\uc2dc\uc624. \ubaa8\ub4e0 \uc11d\ucd9c \uacbd\ud654 \ub4f1\uae09\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc0ac\uc6a9 \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uba74 \uacfc\uc2dc\ud6a8\ub418\uc5b4 \uac15\ub3c4\ub97c \uc783\uc73c\ubbc0\ub85c, \uace0\uc628 \uc801\uc6a9\uc740 \uc0c1\uc628 \uac12\uc774 \uc720\uc9c0\ub41c\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9d0\uace0 \uc870\uc9c8 \uc0c1\ud0dc\ubcc4 \uc124\uacc4 \ub370\uc774\ud130\uc640 \ub300\uc870\ud558\uc5ec \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/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>\ube44\uacc4, \uac00\uc124 \uad6c\uc870, \uc811\uadfc \ud50c\ub7ab\ud3fc \ubd80\ud488<\/li>\n\n\n\n<li>\uc774\ub3d9\uc2dd \ud06c\ub808\uc778, \ub9ac\ud504\ud2b8, \uae30\ud0c0 \uc6a9\uc811 \ud558\uc911 \uc9c0\uc9c0 \uad6c\uc870\ubb3c<\/li>\n\n\n\n<li>\ucca0\ub3c4 \ubc0f \uc9c0\ud558\ucca0 \ucc28\uccb4 \ubc0f \uad6c\uc870 \ubd80\uc7ac<\/li>\n\n\n\n<li>\uc790\uc804\uac70 \ubc0f \uc624\ud1a0\ubc14\uc774 \ud504\ub808\uc784, \uc2a4\ud3ec\uce20 \uc7a5\ube44<\/li>\n\n\n\n<li>\ud56d\uacf5 \ud654\ubb3c \ucee8\ud14c\uc774\ub108, \ud2b8\ub7ed \ubc0f \ud2b8\ub808\uc77c\ub7ec \ud504\ub808\uc784<\/li>\n\n\n\n<li>EV \ubc30\ud130\ub9ac \ud329 \ud504\ub808\uc784 \ubc0f \uacbd\ub7c9 \uad6c\uc870 \uc555\ucd9c\uc7ac<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc801\uc6a9 \uac00\ub2a5\/\ubd88\uac00 \ud310\ub2e8 \uae30\uc900<\/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>\uc120\ud0dd\ud558\uc2ed\uc2dc\uc624 \u2014 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 7003\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubd80\ud488\uc774 6061-T6\uac00 \uc81c\uacf5\ud558\ub294 \uac83\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \uac15\ub3c4\ub97c \ud544\uc694\ub85c \ud558\uace0 \uc6a9\uc811\ub420 \uc608\uc815\uc778 \uacbd\uc6b0, 7003\uc740 \ubaa8\uc7ac \uac12\uc5d0 \uac00\uae5d\uac8c \uc7ac\uc2dc\ud6a8\ub418\ub294 \ubc18\uba74 7075\ub294 \uc804\ud600 \uc6a9\uc811\ub420 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubd80\ud488\uc774 \uc555\ucd9c \ud504\ub85c\ud30c\uc77c \ub610\ub294 \uad00\uc7ac\uc774\uace0 \uc139\uc158\uc774 \uc587\uac70\ub098 \ubcf5\uc7a1\ud55c \uacbd\uc6b0, 7003\uc758 \uc555\ucd9c \uac70\ub3d9\uc774 \uc774\uc810\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc0ac\uc6a9 \ud658\uacbd\uc774 \uc2e4\ub0b4\uc774\uac70\ub098 \ud45c\uba74\uc774 \uc544\ub178\ub2e4\uc774\uc9d5, \ub3c4\uc7a5, \ub610\ub294 \ud544\ub984 \ucc98\ub9ac\ub420 \uacbd\uc6b0.<\/li>\n\n\n\n<li>\uc9c0\uc18d \uc751\ub825\uc774 \uacf5\uae09\uc5c5\uccb4 \ub370\uc774\ud130\uac00 \ud574\ub2f9 \uc870\uc9c8 \uc0c1\ud0dc\uc640 \uc139\uc158\uc5d0 \ub300\ud574 \ud5c8\uc6a9\ud558\ub294 SCC \ud55c\uacc4 \ub0b4\uc5d0 \uc720\uc9c0\ub418\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>No-Go \u2014 \ub2e4\uc74c\uc758 \uacbd\uc6b0 \ub2e4\ub978 \uc18c\uc7ac\ub97c \ucc3e\ub294\ub2e4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc57d 500 MPa \ud56d\ubcf5\uac15\ub3c4 \uc774\uc0c1\uc758 \ucd5c\uace0 \ud56d\uacf5\uc6b0\uc8fc\uae09 \uac15\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0. \uc774\ub294 7075 \ub610\ub294 7055\uc758 \uc601\uc5ed\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucf54\ud305 \uc5c6\uc774 \ud574\uc218 \ub610\ub294 \uc5fc\ud654\ubb3c \uce68\uc9c0\uac00 \uc608\uc0c1\ub418\ub294 \uacbd\uc6b0. 5083 \ub610\ub294 6xxx \ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ubd80\ud488\uc774 \uac00\uacf5\ub418\uace0 \uc6a9\uc811\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0. 6061-T6\uac00 \ub354 \uc800\ub834\ud558\uace0, \ub354 \uc27d\uac8c \uc131\ud615\ub418\uba70, \ub354 \ud3ed\ub113\uac8c \uc7ac\uace0\uac00 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2dc\ud6a8 \ud6c4 \uc911\ub7c9 \ub0c9\uac04 \uc131\ud615\uc774 \uacc4\ud68d\ub41c \uacbd\uc6b0. \uba3c\uc800 \ubd80\ud488\uc744 \uc131\ud615\ud55c \ud6c4 \uc5f4\ucc98\ub9ac\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ub3c4\uba74\uc774 \ud3c9\ud310 \uc555\uc5f0 \ud45c\uc900\uc5d0 \ub530\ub77c \uc555\uc5f0 \ud6c4\ud310\uc73c\ub85c 7003\uc744 \uc694\uad6c\ud558\ub294 \uacbd\uc6b0. \uacac\uc801 \uc804\uc5d0 \ud615\ud0dc\uc640 \uadf8 \uaddc\uaca9\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc18c\uc2f1 \ub178\ud2b8: \uc8fc\ubb38 \uc804 \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7003\uc740 \uc6b0\uc120 \uc555\ucd9c \ud569\uae08\uc785\ub2c8\ub2e4. ASTM B221 \ub610\ub294 EN 755-2\uc5d0 \ub530\ub978 \ubd09\uc7ac, \uad00\uc7ac, \ud504\ub85c\ud30c\uc77c\uc774 \ud45c\uc900 \ubc94\uc704\uc774\uba70, \ud3c9\ud310 \uc555\uc5f0 7003\uc740 \ubcc4\ub3c4\uc758 \uaddc\uaca9\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubb38\uc758 \uc2dc \uc81c\ud488 \ud615\ud0dc\uc640 \ud574\ub2f9 \uad00\ub9ac \uaddc\uaca9\uc744 \uba85\uc2dc\ud574 \uc8fc\uc2ed\uc2dc\uc624. \ud615\uc0c1\uc740 \uc81c\uc57d\uc774 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ube44\ud45c\uc900 \ub2e8\uba74, \uce58\uc218 \ubc0f \uc81c\ud488 \ud615\uc0c1\uc740 \uadc0\uc0ac\uc758 \ub3c4\uba74\uc5d0 \ub530\ub77c \uc0dd\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc758 \uc2dc \ub124 \uc904\uc774 \ub300\ubd80\ubd84\uc758 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc801\uc6a9 \ud45c\uc900<\/strong> \u2014 ASTM B221 \ub610\ub294 EN 755-2.<\/li>\n\n\n\n<li><strong>\uc131\uc9c8<\/strong> \u2014 T5, T6 \ub610\ub294 T651, \uadf8\ub9ac\uace0 \uc6a9\uc811 \uc870\ub9bd\uccb4\uc758 \uacbd\uc6b0 \uc2dc\ud6a8 \ucc98\ub9ac \uacbd\ub85c.<\/li>\n\n\n\n<li><strong>\uad00\ub9ac \ub450\uaed8<\/strong> \u2014 EN 755-2\uc758 \ucd5c\uc18c \uae30\uacc4\uc801 \ubb3c\uc131\uac12\uc740 \ub450\uaed8 \ub4f1\uae09\ubcc4\ub85c \ud45c\ub85c \uc81c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubb38\uc11c \uc218\uc900<\/strong> \u2014 MTC\uac00 \uae30\ubcf8\uc774\uba70, \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ub3c5\ub9bd\uc801 \uac80\uc99d\uc774 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0 EN 10204 3.1 \ub610\ub294 SGS \ubcf4\uace0\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc11c\uc640 \uad00\ub828\ud558\uc5ec, \ubaa8\ub4e0 \uc8fc\ubb38\uc5d0 \ub3d9\ubd09\ub418\ub294 MTC\uc5d0\ub294 \ud574\ub2f9 \ub85c\ud2b8\uc758 \ud654\ud559 \uc131\ubd84 \ubc0f \uae30\uacc4\uc801 \uc2dc\ud5d8 \uacb0\uacfc\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc99d\uc11c \ub4f1\uae09\uc744 \uc815\ud655\ud788 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. EN 10204 3.1\uc740 \uc81c\uc870\uc0ac\uc758 \uad8c\ud55c \uc788\ub294 \uac80\uc0ac \ub300\ud45c\uac00 \uc11c\uba85\ud558\uba70, 3.2\ub294 \uace0\uac1d \ub300\ud45c \ub610\ub294 T\u00dcV, BV, SGS, DNV\uc640 \uac19\uc740 \uae30\uad00 \ub4f1 \ub3c5\ub9bd\uc801\uc778 \uc81c3\uc790\uac00 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/ko\/%ec%a0%9c%ed%92%88\/7003-%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84-%ed%95%a9%ea%b8%88\/\" data-type=\"product\" data-id=\"8667\">7003 \uc54c\ub8e8\ubbf8\ub284<\/a> 7xxx \uacc4\uc5f4 \uac15\ub3c4\uc758 \ub300\ubd80\ubd84\uc744 \ud655\ubcf4\ud558\uba74\uc11c\ub3c4 \uae68\ub057\ud558\uac8c \uc555\ucd9c\ub418\uace0 \uc2e4\uc81c\ub85c \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c \ud615\ud0dc\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \ud2b8\ub808\uc774\ub4dc\uc624\ud504\ub294 \uc2e4\uc7ac\ud569\ub2c8\ub2e4. \ub0b4\uc2dd\uc131\uc740 \ubcf4\ud1b5 \uc218\uc900\uc774\uba70, \uc751\ub825 \ubd80\uc2dd \uade0\uc5f4\uc740 \uc2e4\uc9c8\uc801\uc778 \uc124\uacc4 \ud55c\uacc4\uc774\uace0, \ud3c9\ud310 \uc555\uc5f0 \ud615\ud0dc\ub294 \uc555\ucd9c \ubc94\uc704\uc640 \ub2e4\ub978 \uaddc\uaca9\uc5d0 \uc18d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f9\uc0ac\ub294 7003\uc744 \uc555\ucd9c \ud504\ub85c\ud30c\uc77c, \ubd09\uc7ac \ubc0f \uad00\uc7ac\ub85c \uacf5\uae09\ud558\uba70, \uadc0\uc0ac\uc758 \ub3c4\uba74\uc5d0 \ub530\ub77c \ub9de\ucda4 \ud615\uc0c1, \uce58\uc218 \ubc0f \uc870\uc9c8\uc744 \uc0dd\uc0b0\ud569\ub2c8\ub2e4. \uc18c\ub7c9 MOQ \uc0dd\uc0b0\uc744 \ud1b5\ud574 \ub9ac\ub4dc\ud0c0\uc784 10\u201360\uc77c\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc8fc\ubb38\uc5d0\ub294 MTC\uac00 \ub3d9\ubd09\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/ko\/%ec%97%b0%eb%9d%bd%ec%b2%98\/\" data-type=\"page\" data-id=\"350\">\ub3c4\uba74\uc744 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624<\/a> \uc81c\ud488 \ud615\ud0dc\uc5d0 \ub300\ud55c \uc870\uc9c8 \ubc0f \uc6a9\uc811 \uacbd\ub85c\uc640 \ud568\uaed8, \ud615\ud0dc\u00b7\uc870\uc9c8\u00b7\uacf5\uae09 \uac00\ub2a5 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">7003\uc758 \ucd5c\uc18c \uc8fc\ubb38 \uc218\ub7c9\uacfc \ub9ac\ub4dc\ud0c0\uc784\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc870\uc9c8 \uc0c1\ud0dc \ubc0f \ud06c\uae30\ub294 \uc7ac\uace0\uc5d0\uc11c \ucd9c\ud558\ub429\ub2c8\ub2e4. \ube44\ud45c\uc900 \uc870\uc9c8 \uc0c1\ud0dc \ubc0f \ub9de\ucda4 \uce58\uc218\ub294 \uc800MOQ \uc0dd\uc0b0\uc73c\ub85c \uc9c4\ud589\ub418\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ud569\uae08, \ud06c\uae30 \ubc0f \uac00\uacf5\uc5d0 \ub530\ub77c 10\u201360\uc77c\uc774 \uc18c\uc694\ub429\ub2c8\ub2e4. \ub3c4\uba74\uacfc \uc218\ub7c9\uc744 \ubcf4\ub0b4\uc8fc\uc2dc\uba74 \ub458 \ub2e4 \ud655\uc778\ud574 \ub4dc\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7003 \uc8fc\ubb38 \uc2dc \uc5b4\ub5a4 \ubb38\uc11c\uac00 \uc81c\uacf5\ub429\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud574\ub2f9 \ub85c\ud2b8\uc758 \ud654\ud559 \uc131\ubd84 \ubc0f \uae30\uacc4\uc801 \uacb0\uacfc\ub97c \uae30\uc7ac\ud55c \ubc00 \ud14c\uc2a4\ud2b8 \uc778\uc99d\uc11c\uac00 \ubaa8\ub4e0 \uc8fc\ubb38\uc5d0 \ud3ec\ud568\ub429\ub2c8\ub2e4. SGS \ud654\ud559\u00b7\uae30\uacc4\uc801\u00b7\ucd08\uc74c\ud30c \ubcf4\uace0\uc11c\ub294 \ucd94\uac00 \ube44\uc6a9\uc73c\ub85c \uc694\uccad \uc2dc \uc81c\uacf5 \uac00\ub2a5\ud558\uba70, EN 10204 3.2\ub294 \ub3c5\ub9bd\uc801\uc778 \ubd80\uc11c\uba85\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7003\uc744 \uc815\ucc99 \uc808\ub2e8 \ub610\ub294 \ub3c4\uba74\uc5d0 \ub530\ub978 \uac00\uacf5\uc73c\ub85c \uacf5\uae09\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\ub2a5\ud569\ub2c8\ub2e4. \uc555\ucd9c \ubd09\uc7ac, \uad00\uc7ac \ubc0f \ud504\ub85c\ud30c\uc77c\uc740 \uc644\uc131 \uae38\uc774\ub85c \uc808\ub2e8\ub418\uba70, \uc790\uccb4 CNC \uac00\uacf5\uc73c\ub85c \ub4dc\ub9b4\ub9c1, \ud0dc\ud551 \ubc0f \ubc00\ub9c1 \ud615\uc0c1\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub9c8\uac10 \ubc0f \uacf5\ucc28\ub97c \ud3ec\ud568\ud55c \ub3c4\uba74\uc744 \ubcf4\ub0b4\uc8fc\uc2dc\uba74 \uc18c\uc7ac\uc640 \uac00\uacf5\uc744 \ud568\uaed8 \uacac\uc801\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc6a9\uc811 \ud504\ub808\uc784\uc5d0\uc11c 7003\uc774 6061\uc744 \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\ub2a5\ud558\uba70, \ube44\uc6a9 \uc808\uac10\ubcf4\ub2e4\ub294 \uac15\ub3c4 \ud5a5\uc0c1\uc744 \uc5bb\ub294 \uac83\uc785\ub2c8\ub2e4. 7003\uc740 5xxx \ud544\ub7ec\ub85c \uc6a9\uc811\ub418\uace0 \uc774\ud6c4 \ubaa8\uc7ac \uac12 \ucabd\uc73c\ub85c \uc7ac\uc2dc\ud6a8\ub418\uc9c0\ub9cc, 6061\uc740 \uc5f4\uc601\ud5a5\ubd80 \uac15\ub3c4\ub97c \uc601\uad6c\uc801\uc73c\ub85c \uc0c1\uc2e4\ud569\ub2c8\ub2e4. \ud504\ub808\uc784\uc5d0 \ucd94\uac00 \uac15\ub3c4\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 6061\uc774 \ub354 \uc800\ub834\ud55c \uacbd\ub85c\uc785\ub2c8\ub2e4.<\/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\/ko\/wp-json\/wp\/v2\/posts\/8804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/comments?post=8804"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts\/8804\/revisions"}],"predecessor-version":[{"id":10706,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/posts\/8804\/revisions\/10706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/media\/10700"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/media?parent=8804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/categories?post=8804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/ko\/wp-json\/wp\/v2\/tags?post=8804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}