{"id":16434,"date":"2026-07-01T12:56:43","date_gmt":"2026-07-01T04:56:43","guid":{"rendered":"https:\/\/aobosteel.com\/?p=16434"},"modified":"2026-07-01T12:56:44","modified_gmt":"2026-07-01T04:56:44","slug":"plastic-injection-mold-steel-selection","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/plastic-injection-mold-steel-selection\/","title":{"rendered":"\ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615\uac15 \uc120\ud0dd | \uc544\uc624\ubcf4 \uc2a4\ud2f8 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4"},"content":{"rendered":"<h1 id=\"h-how-to-select-steel-for-plastic-injection-molds\" class=\"wp-block-heading\">\ud50c\ub77c\uc2a4\ud2f1 \uc0ac\ucd9c \uae08\ud615\uc6a9 \uac15\uc7ac \uc120\ud0dd \ubc29\ubc95<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1 \uc0ac\ucd9c \uae08\ud615\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uac15\uc7ac\ub294 \uae08\ud615\uc758 \uc131\ub2a5, \uc720\uc9c0 \ubcf4\uc218 \ube44\uc6a9, \uc0dd\uc0b0\ub418\ub294 \ubaa8\ub4e0 \ubd80\ud488\uc758 \ud488\uc9c8, \uadf8\ub9ac\uace0 \uc218\uba85\uc5d0 \uacb0\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc801\ud569\ud55c \ub4f1\uae09\uc758 \uac15\uc7ac\ub97c \uc0ac\uc6a9\ud558\uba74 \uc555\ub825 \ud558\uc5d0\uc11c\ub3c4 \uc815\ubc00\ub3c4\ub97c \uc720\uc9c0\ud558\uace0, \uc131\ud615 \uacf5\uc815 \uc911 \ub9c8\ubaa8\uc640 \ubd80\uc2dd\uc744 \ubc29\uc9c0\ud558\uba70, \uc5f0\ub9c8 \ubc0f \uac00\uacf5 \uc2dc\uac04\uc744 \ub2e8\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74, \uc798\ubabb\ub41c \ub4f1\uae09\uc758 \uac15\uc7ac\ub97c \uc0ac\uc6a9\ud558\uba74 \ub098\uc911\uc5d0 \uc218\ucd95 \uc790\uad6d, \uade0\uc5f4\uc774 \uc0dd\uae34 \uce90\ube44\ud2f0, \ub0c9\uac01 \ucc44\ub110\uc758 \ub179 \ubc1c\uc0dd, \ub610\ub294 \uc0dd\uc0b0\uc774 \uc644\ub8cc\ub418\uae30 \ud6e8\uc52c \uc804\uc5d0 \uae08\ud615\uc774 \ub9c8\ubaa8\ub418\ub294 \ub4f1\uc758 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\uc81c\uc801\uc778 \uce21\uba74\uc5d0\uc11c\ub3c4 \uc774 \uc810\uc774 \ubd84\uba85\ud574\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uae08\ud615 \uc644\uc81c\ud488 \ube44\uc6a9\uc5d0\uc11c \uc6d0\uc790\uc7ac\uc778 \uacf5\uad6c\uac15\uc774 \ucc28\uc9c0\ud558\ub294 \ube44\uc911\uc740 10~20%\uc5d0 \ubd88\uacfc\ud558\uba70, \ub098\uba38\uc9c0 80%\ub294 \uac00\uacf5, \uc5f0\ub9c8, \uc870\ub9bd\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc6d0\uc790\uc7ac \ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 \uc800\ub834\ud55c \uac15\uc7ac\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uac70\uc758 \uc774\ub4dd\uc774 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uae08\ud615 \uc81c\uc791\uc5d0 \uc774\ubbf8 \ud22c\uc785\ub41c \ub178\ub3d9\ub825\uacfc \uae08\ud615\uc774 \uc870\uae30\uc5d0 \uace0\uc7a5 \ub0a0 \uacbd\uc6b0 \ubc1c\uc0dd\ud558\ub294 \uac00\ub3d9 \uc911\ub2e8 \ube44\uc6a9\uc5d0 \ube44\ud558\uba74 \uc808\uac10\uc561\uc740 \ubbf8\ubbf8\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac15\uc7ac\ub294 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud574\uc57c \ud558\uba70, \uc774\ub294 \ud50c\ub77c\uc2a4\ud2f1 \uc885\ub958, \uc0dd\uc0b0\ub7c9, \ubd80\ud488\uc5d0 \uc694\uad6c\ub418\ub294 \ud45c\uba74 \ub9c8\uac10 \ub4f1\uc744 \uace0\ub824\ud558\uc5ec \uac15\uc7ac\uc758 \ud2b9\uc131\uc744 \uc120\ud0dd\ud574\uc57c \ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-a-mold-steel-has-to-do\" class=\"wp-block-heading\">\uae08\ud615\uac15\uc758 \uc5ed\ud560\uc740 \ubb34\uc5c7\uc778\uac00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\uae09\uc744 \ube44\uad50\ud558\uae30 \uc804\uc5d0 \uae08\ud615\uac15\uc774 \ucda9\uc871\ud574\uc57c \ud558\ub294 \uc694\uad6c \uc0ac\ud56d\uc744 \uba85\ud655\ud788 \ud30c\uc545\ud558\ub294 \uac83\uc774 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uac01 \uc694\uad6c \uc0ac\ud56d\uc740 \uc798\ubabb\ub41c \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ud2b9\uc815 \uace0\uc7a5\uacfc \uad00\ub828\uc774 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae08\ud615 \uc81c\uc791 \ube44\uc6a9\uc758 \ub300\ubd80\ubd84\uc740 \ubcf5\uc7a1\ud55c \uce90\ube44\ud2f0\ub97c \uc808\uc0ad\ud558\uace0 \ub4dc\ub9b4\ub9c1\ud558\ub294 \ub370\uc11c \ubc1c\uc0dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uac00\uacf5\uc131\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uac00\uacf5\uc774 \ub9e4\ub044\ub7ec\uc6b4 \uac15\uc885\uc740 \uc774\ub7ec\ud55c \uc791\uc5c5\ub7c9\uc744 \uc904\uc774\uace0 \uc81c\uc870 \ube44\uc6a9\uc744 \ub0ae\ucd94\ub294\ub370, \uc774\uac83\uc774 \ubc14\ub85c \uc808\uc0ad \uc900\ube44\uac00 \ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ub418\ub294 \uacbd\ud654\uac15\uc774 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc774\uc720 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\ub9c8\uc131\uc740 \uae08\ud615\uc774 \ud22c\uba85 \ubd80\ud488 \ub610\ub294 \uace0\uad11\ud0dd \ubd80\ud488\uc744 \uc0dd\uc0b0\ud560 \uc218 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ub80c\uc988, \uad11\ud559 \ubd80\ud488 \ubc0f \ubbf8\uc6a9 \ud45c\uba74\uc5d0\ub294 \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \ub9c8\uac10\uc774 \ud544\uc694\ud558\uba70, \uc774\ub97c \uc704\ud574\uc11c\ub294 \uade0\uc77c\ud55c \uad6c\uc870, \ub192\uc740 \ud45c\uba74 \uacbd\ub3c4 \ubc0f \ub192\uc740 \uccad\uc815\ub3c4\ub97c \uac16\ucd98 \uac15\uc7ac\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc740 \uc544\ubb34\ub9ac \uc5f0\ub9c8\ud574\ub3c4 \uc81c\uac70\ud560 \uc218 \uc5c6\ub294 \uad6c\uba4d\uc774\ub098 \uc904\ubb34\ub2ac \ud615\ud0dc\ub85c \ub098\ud0c0\ub098\ubbc0\ub85c, \uc774\ub7ec\ud55c \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uae08\ud615\uc6a9 \uac15\uc7ac\ub294 \uac1c\uc7ac\ubb3c \ud568\ub7c9\uc744 \ub0ae\uac8c \uc720\uc9c0\ud558\ub3c4\ub85d \uc815\uc81c\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1 \uc790\uccb4\uac00 \ub9c8\ubaa8\uc131\uc774 \uac15\ud560 \uacbd\uc6b0 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. \uc720\ub9ac \uc12c\uc720, \ubb34\uae30\uc9c8 \ucda9\uc804\uc7ac \ubc0f \uae30\ud0c0 \ubcf4\uac15\uc7ac\ub294 \uc720\ub85c\uc640 \uac8c\uc774\ud2b8\ub97c \ub9c8\ubaa8\uc2dc\ud0a4\uba70, \uc5f0\uc9c8 \uac15\ucca0\uc740 \uc774\ub7ec\ud55c \ubd80\ubd84\uc5d0\uc11c \uac00\uc7a5 \uba3c\uc800 \uce68\uc2dd\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ud615 \uacfc\uc815\uc5d0\uc11c \ubd84\ud574\ub418\ub294 \ud50c\ub77c\uc2a4\ud2f1\uc5d0\ub294 \ub0b4\uc2dd\uc131\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. PVC\uc640 \ub09c\uc5f0\uc131 ABS\ub294 \ubd84\ud574\ub418\uba74\uc11c \uc5fc\ud654\uc218\uc18c\uc640 \ubd88\ud654\uc218\uc18c\ub97c \ubc29\ucd9c\ud558\ub294\ub370, \uc774\ub7ec\ud55c \uac00\uc2a4\ub294 \uc77c\ubc18 \uac15\ucca0\uc744 \ubd80\uc2dd\uc2dc\ucf1c \uae08\ud615 \ub0b4\ubd80\uc5d0 \uad6c\uba4d\uc744 \ub0b4\uace0 \ub0c9\uac01 \ucc44\ub110\uc744 \uc190\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \ud50c\ub77c\uc2a4\ud2f1\uc6a9 \uae08\ud615\uc740 \ub0b4\uc2dd\uc131\uc774 \ub6f0\uc5b4\ub098\uc57c \ud558\uba70, \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ub0b4\ubd80\uc5d0\uc11c\ubd80\ud130 \ubd80\uc2dd\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc778\uc131\uacfc \ucf54\uc5b4 \uac15\ub3c4\ub294 \ud074\ub7a8\ud551 \uc555\ub825\uacfc \uc5f4 \uc21c\ud658\uc5d0\ub3c4 \uae08\ud615\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \uc720\uc9c0\ud574\uc90d\ub2c8\ub2e4. \ub192\uc740 \uc555\ucd95 \ud558\uc911\uc740 \ud06c\uae30\uac00 \uc791\uc740 \uce90\ube44\ud2f0\uc758 \ud568\ubab0\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\uba70, \uac01 \uc0ac\uc774\ud074\uc758 \ubc18\ubcf5\uc801\uc778 \uac00\uc5f4 \ubc0f \ub0c9\uac01\uc740 \uc5f4 \ud53c\ub85c\ub97c \uc77c\uc73c\ucf1c \ucde8\uc131\uac15\uc5d0 \uade0\uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud574\ub2f9 \uac15\uc885\uc740 \ud615\uc0c1\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \ucda9\ubd84\ud55c \ucf54\uc5b4 \uac15\ub3c4\uc640 \ud30c\uc190 \uc5c6\uc774 \ubc18\ubcf5\uc801\uc778 \uc5f4 \uc21c\ud658\uc744 \uacac\ub51c \uc218 \uc788\ub294 \ucda9\ubd84\ud55c \uc778\uc131\uc744 \uac16\ucdb0\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce58\uc218 \uc548\uc815\uc131\uc774 \ub6f0\uc5b4\ub09c \uac15\uc7ac\ub294 \uc5f4\ucc98\ub9ac \ud6c4 \ucd94\uac00 \uac00\uacf5\uc774 \uac70\uc758 \ub610\ub294 \uc804\ud600 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uac00\uacf5 \ud6c4 \uacbd\ud654 \ucc98\ub9ac\uac00 \ud544\uc694\ud55c \uac15\uc885\uc740 \ubcc0\ud615 \uc704\ud5d8\uc774 \uc788\uc73c\ubbc0\ub85c, \uac00\uacf5 \uc804 \uacbd\ud654 \ucc98\ub9ac\ub418\uc5b4 \ubc14\ub85c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uac15\uc7ac\ub294 \uc774\ub7ec\ud55c \uc704\ud5d8\uc744 \uc644\uc804\ud788 \ud53c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-the-main-families-of-mold-steel\" class=\"wp-block-heading\">\uae08\ud615\uac15\uc758 \uc8fc\uc694 \uc885\ub958<\/h2>\n\n\n\n<h3 id=\"h-prehardened-medium-carbon-steels-the-p20-family\" class=\"wp-block-heading\">\uc608\ube44 \uacbd\ud654 \ucc98\ub9ac\ub41c \uc911\ud0c4\uc18c\uac15: P20 \uacc4\uc5f4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uae08\ud615 \uc81c\uc791\uc5d0 \uc788\uc5b4 P20 \uacc4\uc5f4\uac15\uc740 \uc5c5\uacc4\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub300\ubd80\ubd84\uc758 \uc6a9\ub3c4\ub97c \ud3ec\uad04\ud569\ub2c8\ub2e4. P20\uacfc \uadf8 \uc720\ub7fd \uaddc\uaca9\uc778 DIN 1.2738, 1.2311, 1.2312\ub294 \uc57d 30~36 HRC\uc758 \uacbd\ub3c4\uc640 \uc57d 300 HB\uc758 \uacbd\ub3c4\ub85c \uc0ac\uc804 \uacbd\ud654 \ucc98\ub9ac\ub418\uc5b4 \uacf5\uae09\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0ac\uc804 \uacbd\ud654 \ucc98\ub9ac\uac00 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc774 \uac15\uc7ac\ub294 \uace0\uc628 \uacbd\ud654 \uacf5\uc815 \uc5c6\uc774 \ubc14\ub85c \uac00\uacf5\ud558\uc5ec \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc5f4\ucc98\ub9ac\ub85c \uc778\ud574 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uae08\ud615 \ud45c\uba74\uc758 \ubcc0\ud615\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. P20\uc740 \ub300\ud615 \uae30\uacc4 \uac00\uacf5 \uae08\ud615, \ub300\uc2dc\ubcf4\ub4dc \ubc0f \ubc94\ud37c\uc640 \uac19\uc740 \uc790\ub3d9\ucc28 \ubd80\ud488, \uadf8\ub9ac\uace0 \uc77c\ubc18 \uc18c\ube44\uc7ac\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud45c\uba74 \ub9c8\ubaa8\uac00 \ubb38\uc81c\uac00 \ub420 \uacbd\uc6b0, \uae08\ud615 \ud45c\uba74\uc744 \uce68\ud0c4, \ud654\uc5fc \uacbd\ud654 \ub610\ub294 \uc9c8\ud654 \ucc98\ub9ac\ud558\uc5ec \uacbd\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub4f1\uae09\uc5d0\uc11c \uc5f0\ub9c8\uc131\uacfc \ud45c\uba74 \ub9c8\uac10\uc774 \uac00\uc7a5 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ud568\uc720 \uc11d\ucd9c \uacbd\ud654\uac15\uc778 P21\uc774 \uc801\ud569\ud569\ub2c8\ub2e4. P21 \uc5ed\uc2dc 32~36 HRC\ub85c \uc0ac\uc804 \uacbd\ud654 \ucc98\ub9ac\ub418\uc5b4 \uacf5\uae09\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-low-carbon-hubbing-steels-p2-p4-p6\" class=\"wp-block-heading\">\uc800\ud0c4\uc18c \ud5c8\ube0c\uac15: P2, P4, P6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">P2, P4, P6 \ub4f1\uae09\uc740 \ud0c4\uc18c \ud568\ub7c9\uc774 0.05~0.15%\ub85c \ub9e4\uc6b0 \ub0ae\uc73c\uba70, \uc5f0\uc9c8 \uc0c1\ud0dc\ub85c \uacf5\uae09\ub418\uace0 \uc5f4\ucc98\ub9ac\ub429\ub2c8\ub2e4. \ud0c4\uc18c \ud568\ub7c9\uc774 \ub0ae\uae30 \ub54c\ubb38\uc5d0 \uce90\ube44\ud2f0\ub97c \uac00\uacf5\ud558\ub294 \ub300\uc2e0 \ub0c9\uac04 \ud5c8\ube59 \ubc29\uc2dd\uc73c\ub85c, \uc989 \uacbd\ud654\ub41c \ub9c8\uc2a4\ud130 \ud5c8\ube0c\ub97c \uc5f0\uc9c8 \ube14\ub7ad\ud06c\uc5d0 \uc555\ucc29\ud558\uc5ec \uc131\ud615\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce90\ube44\ud2f0\uac00 \uc131\ud615\ub418\uba74 \uae08\ud615\uc740 \ub0b4\ucda9\uaca9\uc131\uc774 \ub6f0\uc5b4\ub09c \ucf54\uc5b4 \uc704\uc5d0 58~61 HRC\uc758 \uacbd\ub3c4\ub97c \uac16\ub294 \ud45c\uba74\uce35\uc774 \ud615\uc131\ub418\ub3c4\ub85d \uce68\ud0c4 \ucc98\ub9ac\ub429\ub2c8\ub2e4. \uc774 \uc911 P4\ub294 \uacbd\ud654\uc131\uacfc \ub0b4\ub9c8\ubaa8\uc131\uc774 \uac00\uc7a5 \ub6f0\uc5b4\ub098 \ud45c\uba74 \ub9c8\ubaa8\uac00 \uc8fc\uc694 \ubb38\uc81c\uc778 \uace0\uc555 \uc0ac\ucd9c \ubc0f \uc555\ucd95 \uae08\ud615\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-stainless-and-corrosion-resistant-steels\" class=\"wp-block-heading\">\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubc0f \ub0b4\uc2dd\uac15<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1\uc774 \ubd80\uc2dd\uc131\uc774 \uc788\uac70\ub098 \uc791\uc5c5\uc7a5 \ud658\uacbd\uc73c\ub85c \uc778\ud574 \ub0c9\uac01 \ucc44\ub110\uc5d0 \ub179\uc774 \uc2ac\uae30 \uc26c\uc6b4 \uacbd\uc6b0, \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ud574\uacb0\ucc45\uc785\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/420-stainless-steel\/\">AISI 420<\/a>, DIN 1.2083 \uaddc\uaca9\uc758 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uac00\uc7a5 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \uc57d 13%\uc758 \ud06c\ub86c \ud568\ub7c9\uc73c\ub85c \ub0b4\uc2dd\uc131, \ub0b4\ub9c8\ubaa8\uc131, \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \uc5f0\ub9c8\uc131\uc744 \uc81c\uacf5\ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c 46~52 HRC\ub85c \uacbd\ud654\ub429\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac\ub85c \uc778\ud55c \ubcc0\ud615\uc774 \uc6b0\ub824\ub418\ub294 \uacbd\uc6b0\uc5d0\ub294 DIN 1.2316 \ubc0f 414\ud615\uacfc \uac19\uc740 \uc0ac\uc804 \uacbd\ud654 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uacbd\ud654 \uacf5\uc815 \uc5c6\uc774\ub3c4 \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0 PVC \uc131\ud615, \uc758\ub8cc \ubc0f \uad11\ud559 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-hot-work-and-high-hardness-tool-steels-h13-s7\" class=\"wp-block-heading\">\uace0\uc628 \uc791\uc5c5 \ubc0f \uace0\uacbd\ub3c4 \uacf5\uad6c\uac15: H13, S7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ub7c9 \uc0dd\uc0b0\uc774\ub098 \ub192\uc740 \uc778\uc131\uacfc \ub0b4\uc5f4\uc131\uc774 \uc694\uad6c\ub418\ub294 \uae08\ud615\uc758 \uacbd\uc6b0, \ub2e4\uc774\uce90\uc2a4\ud305\ubcf4\ub2e4\ub294 \uace0\uc628 \uc791\uc5c5\uc6a9 \uacf5\uad6c\uac15\uc774 \ud50c\ub77c\uc2a4\ud2f1 \uc131\ud615\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. H13\uc740 \ud569\uae08 \ud568\ub7c9\uc774 \ub192\uace0, \uc911\uc2ec\ubd80\uac00 \ub9e4\uc6b0 \uac15\ud558\uba70, \uc5f4\ucc98\ub9ac \uc2dc 48~54 HRC\uc758 \uacbd\ub3c4\ub97c \ub098\ud0c0\ub0b4\uace0, \uc9c8\ud654 \ucc98\ub9ac\uac00 \ub9e4\uc6b0 \uc798 \ub418\uc5b4 \ud45c\uba74 \uacbd\ub3c4\uac00 65~70 HRC\uc5d0 \ub2ec\ud558\uc5ec \uc2ec\ud55c \ub9c8\ubaa8\uc5d0\ub3c4 \uc798 \uacac\ub525\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/s7-tool-steel\/\">S7<\/a> \ucda9\uaca9 \uc800\ud56d\uc131\uacfc \uac15\ub3c4\uac00 \ucd5c\uc6b0\uc120\uc77c \ub54c \uc120\ud0dd\ud574\uc57c \ud558\ub294 \ub4f1\uae09\uc785\ub2c8\ub2e4. \uacbd\ub3c4\ub294 \uc57d 58 HRC\uc5d0 \ub2ec\ud558\uba70 \ud22c\uba85 \ud50c\ub77c\uc2a4\ud2f1\uc5d0 \uc0ac\uc6a9\ud558\uae30\uc5d0 \ucda9\ubd84\ud788 \uc88b\uc740 \uc5f0\ub9c8\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-wear-resistant-and-powder-metallurgy-steels-a2-d2-p-m-grades\" class=\"wp-block-heading\">\ub0b4\ub9c8\ubaa8\uc131 \ubc0f \ubd84\ub9d0\uc57c\uae08\uac15: A2, D2, \ubd84\ub9d0\uc57c\uae08\uac15 \ub4f1\uae09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub77c\uc2a4\ud2f1\uc5d0 \uc720\ub9ac\uc12c\uc720\ub098 \uc138\ub77c\ubbf9 \ubd84\ub9d0\uacfc \uac19\uc740 \ub9c8\ubaa8\uc131 \ubb3c\uc9c8\uc774 \ub9ce\uc774 \ud568\uc720\ub41c \uacbd\uc6b0, \uc77c\ubc18\uc801\uc778 \uae08\ud615\uac15\uc740 \ub9c8\ubaa8 \uc18d\ub3c4\uac00 \ub108\ubb34 \ube68\ub77c \uacbd\uc81c\uc801\uc774\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uace0\ud0c4\uc18c, \uace0\ud06c\ub86c \ub0c9\uac04 \uac00\uacf5\uac15\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud574 \uc90d\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel\/\">A2<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">\ub5142<\/a> \uc774 \uc18c\uc7ac\ub4e4\uc740 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc81c\uacf5\ud558\uba70, \uc5f0\ub9c8\uc7ac\uac00 \uc0ac\uc6a9\ub418\ub294 \uc18c\ud615 \uc778\uc11c\ud2b8, \ub9c8\ubaa8 \ubd80\uc704 \ubc0f \uce90\ube44\ud2f0\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubd84\ub9d0 \uc57c\uae08 \ub4f1\uae09\uc740 \uc5ec\uae30\uc11c \uadf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. Elmax, ASP-23 \ubc0f CPM 440V\ub294 \uae30\uc874 \uc6a9\uc735 \ubc29\uc2dd\uc73c\ub85c\ub294 \ub530\ub77c\uc62c \uc218 \uc5c6\ub294 \ub192\uc740 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc778\uc131\uc744 \uacb0\ud569\ud55c \ucd08\ubbf8\uc138\ud558\uace0 \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub41c \ud0c4\ud654\ubb3c \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubd84\ub9d0 \uc57c\uae08 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778 Elmax\ub294 \ub0b4\ub9c8\ubaa8\uc131 \uc678\uc5d0\ub3c4 \ub0b4\uc2dd\uc131\uacfc \ud0c1\uc6d4\ud55c \uc5f0\ub9c8\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \ub9c8\ubaa8\uac00 \uc2ec\ud55c \uc804\uc790 \ubc0f IC \uae08\ud615\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-matching-the-grade-to-the-job\" class=\"wp-block-heading\">\uc9c1\ubb34\uc5d0 \ub9de\ub294 \uc9c1\uae09<\/h2>\n\n\n\n<h3 id=\"h-by-production-volume\" class=\"wp-block-heading\">\uc0dd\uc0b0\ub7c9 \uae30\uc900<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0dd\uc0b0\ub7c9\uc774 \uae30\uc900\uc774 \ub429\ub2c8\ub2e4. \ubc31\ub9cc \uc0ac\uc774\ud074 \uc774\uc0c1\uc758 \ucd08\uace0\ud6a8\uc728 \uc0dd\uc0b0\ub7c9\uc744 \uc704\ud574 \uc81c\uc791\ub418\ub294 SPI \ud074\ub798\uc2a4 101 \ub4f1\uae09\uc758 \uae08\ud615\uc5d0\ub294 \uace0\uacbd\ub3c4 \ud0c4\uc18c\uac15 \ubc0f \uacf5\uad6c\uac15\uc774 \ud544\uc694\ud558\uba70, \ub9c8\ubaa8 \ubd80\uc704\uc5d0\ub294 H13, 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub610\ub294 A2 \ubc0f D2 \uc7ac\uc9c8\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc911\ub300\ud615 \uc0dd\uc0b0\ub7c9\uc744 \uc704\ud55c \ud074\ub798\uc2a4 102 \ubc0f 103 \ub4f1\uae09\uc758 \uae08\ud615\uc5d0\ub294 \uc0ac\uc804 \uacbd\ud654 \ucc98\ub9ac\ub41c P20 \ubc0f <a href=\"https:\/\/aobosteel.com\/ko\/p20ni-steel\/\">DIN 1.2738<\/a> \uc774\ub7ec\ud55c \uc18c\uc7ac\ub4e4\uc740 \uc801\uc808\ud55c \uc218\uba85\uacfc \uc800\ub834\ud55c \ube44\uc6a9, \uadf8\ub9ac\uace0 \uc5f4\ucc98\ub9ac \uc704\ud5d8\uc774 \uc5c6\ub2e4\ub294 \uc7a5\uc810\uc744 \ubaa8\ub450 \uac16\ucd94\uace0 \uc788\uc5b4 \uadf8 \uc790\ub9ac\ub97c \ud655\uace0\ud788 \ud569\ub2c8\ub2e4. \uc2dc\uc81c\ud488 \uc81c\uc791\uc774\ub098 \ub0ae\uc740 \uc131\ud615 \uc555\ub825\uc73c\ub85c \uc218\ucc9c \uac1c \uc815\ub3c4\uc758 \uc18c\ub7c9 \uc0dd\uc0b0\uc744 \ud560 \uacbd\uc6b0\uc5d0\ub294 7075-T6\uc774\ub098 Alcoa QC-10\uacfc \uac19\uc740 \uace0\uac15\ub3c4 \uc54c\ub8e8\ubbf8\ub284\uc774\ub098 3D \ud504\ub9b0\ud305 \ud3f4\ub9ac\uba38 \ud234\ub9c1\uc774 \uac15\ucca0\ubcf4\ub2e4 \ud6e8\uc52c \uacbd\uc81c\uc801\uc774\uace0 \uc5f4\uc804\ub3c4\uc728\ub3c4 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-by-plastic-material\" class=\"wp-block-heading\">\ud50c\ub77c\uc2a4\ud2f1 \uc7ac\uc9c8\ub85c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ud615\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud50c\ub77c\uc2a4\ud2f1\uc758 \uc885\ub958\uc5d0 \ub530\ub77c \uc120\ud0dd\uc758 \ud3ed\uc774 \ub354\uc6b1 \uc881\uc544\uc9d1\ub2c8\ub2e4. \ud3f4\ub9ac\uc5d0\ud2f8\ub80c, \ud3f4\ub9ac\ud504\ub85c\ud544\ub80c, ABS\uc640 \uac19\uc740 \uc77c\ubc18\uc801\uc778 \uc5f4\uac00\uc18c\uc131 \uc218\uc9c0\ub294 P20 \ubc0f \uc774\uc640 \uc720\uc0ac\ud55c \uc911\ud0c4\uc18c\uac15\uc5d0\uc11c \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. PVC, \ubd88\uc18c\uc218\uc9c0, \ub09c\uc5f0\uc131 ABS\uc640 \uac19\uc740 \ubd80\uc2dd\uc131 \ud50c\ub77c\uc2a4\ud2f1\uc740 \uc0b0\uc131 \uac00\uc2a4\ub97c \ubc29\ucd9c\ud558\uae30 \ub54c\ubb38\uc5d0 420, 414, DIN 1.2083, DIN 1.2316\uacfc \uac19\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uc131\ud615 \ubd80\uc704\uac00 \ubd80\uc2dd\ub418\uace0 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc720\ub9ac\uc12c\uc720 \uac15\ud654 \ud3f4\ub9ac\uba38(POM) \ubc0f \ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8\uc640 \uac19\uc740 \ub9c8\ubaa8\uc131 \ubc0f \uac15\ud654 \ud50c\ub77c\uc2a4\ud2f1\uc740 D2 \ubc0f A2\uc640 \uac19\uc740 \uace0\uacbd\ub3c4 \uacf5\uad6c\uac15, \uc9c8\ud654 \ucc98\ub9ac\ub41c H13 \ub610\ub294 \ubd84\ub9d0 \uc57c\uae08\uac15\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-by-surface-finish\" class=\"wp-block-heading\">\ud45c\uba74 \ub9c8\uac10\uc5d0 \ub530\ub77c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubd80\ud488\uc5d0 \uc694\uad6c\ub418\ub294 \ud45c\uba74 \ub9c8\uac10\uc740 \ub2e4\ub978 \uc694\uc18c\ub4e4\ubcf4\ub2e4 \uc6b0\uc120\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub80c\uc988, \uad11\ud559 \ubd80\ud488 \ubc0f \ud22c\uba85 \uc544\ud06c\ub9b4\uc5d0 \uc694\uad6c\ub418\ub294 \uace0\uc190\uc2e4 \ub610\ub294 \ubbf8\ub7ec \ub9c8\uac10\uc740 \ubd88\uc21c\ubb3c\uc774 \uc5c6\ub294 \uac15\ucca0\uc5d0 \ub2ec\ub824 \uc788\uc73c\uba70, \uc774\ub294 \uae08\ud615 \uc81c\uc791\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uace0\ud488\uc9c8 \ub4f1\uae09\uc758 \uac15\ucca0\uc744 \uc815\uc81c\ud574\uc57c \ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735<\/a> \ub610\ub294 \uc9c4\uacf5 \uc544\ud06c \uc7ac\uc6a9\uc735\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. P21, 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15, \uadf8\ub9ac\uace0 \ud2b9\uc218 \uc2dc\ud6a8 \uacbd\ud654\uac15\uc774\ub098 \ub9c8\ub974\uc5d0\uc774\uc9d5\uac15\uc774 \uc774\ub7ec\ud55c \uacf5\uc815\uc5d0\uc11c \ucd5c\uc0c1\uc758 \uacb0\uacfc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud45c\uba74 \uc9c8\uac10\uc774 \uc788\uac70\ub098 \uc5d0\uce6d \ucc98\ub9ac\ub41c \ud45c\uba74\uc740 \uc774\uc640 \ubc18\ub300\ub85c \ubbfc\uac10\ud569\ub2c8\ub2e4. \ud654\ud559\uc801 \uc0ac\uc9c4 \uc5d0\uce6d\uc740 \uc0b0\uc774 \uace0\ub974\uac8c \ubd80\uc2dd\ub418\ub3c4\ub85d \ub9e4\uc6b0 \uade0\uc77c\ud55c \uad6c\uc870\ub97c \ud544\uc694\ub85c \ud558\uba70, \uade0\uc77c\ud55c \uc9c8\uac10\uc774 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 DIN 1.2312\uc640 \uac19\uc774 \ud669 \ud568\ub7c9\uc774 \ub192\uc740 \ud3b8\uc11d\uc774 \uc2ec\ud55c \uac15\uc774\ub098 \ucf8c\uc0ad\uac15\uc740 \ub0b4\ubd80 \uad6c\uc870\uc758 \ubcc0\ud654\ub85c \uc778\ud574 \uc5d0\uce6d\uc774 \uace0\ub974\uc9c0 \uc54a\uac8c \ub418\ubbc0\ub85c \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-working-through-the-decision\" class=\"wp-block-heading\">\uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \uacfc\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4e0 \uae08\ud615\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ub2e8\uc77c \ub4f1\uae09\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. \uc62c\ubc14\ub978 \uc120\ud0dd\uc740 \ub2e4\uc74c \uc138 \uac00\uc9c0 \uc9c8\ubb38\uc5d0 \uc21c\uc11c\ub300\ub85c \ub2f5\ud568\uc73c\ub85c\uc368 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uae08\ud615\uc73c\ub85c \uc0dd\uc0b0\ud574\uc57c \ud558\ub294 \ubd80\ud488\uc758 \uc218\ub7c9, \uc0ac\uc6a9\ud560 \ud50c\ub77c\uc2a4\ud2f1 \uc885\ub958, \uadf8\ub9ac\uace0 \ubd80\ud488\uc5d0 \ud544\uc694\ud55c \ub9c8\uac10 \ucc98\ub9ac\uc785\ub2c8\ub2e4. \uc774 \uc138 \uac00\uc9c0 \uc9c8\ubb38\uc5d0 \ub2f5\ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uc120\ud0dd \uac00\ub2a5\ud55c \ub4f1\uae09\uc740 \ub450\uc138 \uac00\uc9c0\ub85c \uc881\ud600\uc9c0\uba70, \uadf8 \ud6c4\uc5d0\ub294 \uac00\uacf5\uc131, \uac00\uc6a9\uc131 \ubc0f \ube44\uc6a9\uc744 \uace0\ub824\ud558\uc5ec \ub098\uba38\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \uacb0\uc815\uc5d0 \ud3ec\ud568\ub41c \ub300\ubd80\ubd84\uc758 \uac15\uc885\uc740 \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc5d0\uc11c \uc7ac\uace0\ub97c \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/plastic-mold-steels\/\">\ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615\uc6a9 \uac15\ucca0 \uc81c\ud488\uad70<\/a> \uc77c\ubc18 \ubc0f \ub0b4\uc2dd\uc131 \uae08\ud615\uc6a9 \uc0ac\uc804 \uacbd\ud654 P20 \ubc0f 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubd80\ud130 \uace0\ub9c8\ubaa8\uc131 \ubc0f \ub300\ub7c9 \uc0dd\uc0b0 \uc791\uc5c5\uc6a9 H13, S7, A2 \ubc0f D2\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc7ac\uc9c8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. AISI, DIN \ubc0f JIS \uaddc\uaca9 \uac04\uc758 \uc0c1\ud638 \ucc38\uc870\ub294 \ub2f9\uc0ac \uc6f9\uc0ac\uc774\ud2b8\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/aobosteel.com\/ko\/tool-steel-equivalent-grades\/\">\uacf5\uad6c\uac15 \ub4f1\uac00 \ub4f1\uae09 \ucc3e\uae30<\/a> \uc804\uccb4 \uc9c0\ub3c4 \uc815\ubcf4\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>How to Select Steel for Plastic Injection Molds The steel used in a plastic injection mold determines how the mold performs, how much it costs to maintain, the quality of every part it produces, and how long it stays in service. A well-matched grade maintains tolerance under pressure, resists wear and corrosion during the molding [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16435,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-16434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Plastic Mold Steel Selection | Aobo Steel Tool Steel Supplier<\/title>\n<meta name=\"description\" content=\"How to choose plastic injection mold steel by production volume, plastic type, and surface finish. 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