{"id":21362,"date":"2025-03-06T01:52:00","date_gmt":"2025-03-05T17:52:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21362"},"modified":"2025-03-07T18:09:08","modified_gmt":"2025-03-07T10:09:08","slug":"4142-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/alloy-steel\/4142-steel\/","title":{"rendered":"AISI 4142 \u5408\u91d1\u92fc | UNS G41420 \u88fd\u54c1\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u88fd\u9020\u696d\u3068\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u4e16\u754c\u3067\u306f\u3001 <strong>4142\u92fc<\/strong> \u30b9\u30c8\u30ec\u30b9\u4e0b\u3067\u5805\u7262\u306a\u6027\u80fd\u304c\u6c42\u3081\u3089\u308c\u308b\u90e8\u54c1\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002SteelPro Group \u3067\u306f\u3001\u9ad8\u54c1\u8cea\u306e 4142 \u92fc\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30ab\u30b9\u30bf\u30e0 \u30b5\u30a4\u30ba\u3084\u52a0\u5de5\u30b5\u30fc\u30d3\u30b9\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002&nbsp;<\/p><p>4142 \u5408\u91d1\u92fc\u306e\u4e16\u754c\u3092\u63a2\u6c42\u3057\u3066\u307f\u307e\u305b\u3093\u304b? \u3053\u306e\u512a\u308c\u305f\u7d20\u6750\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u3069\u306e\u3088\u3046\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3092\u63a2\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p><h2 class=\"wp-block-heading\">4142 \u30b9\u30c1\u30fc\u30eb\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>AISI 4142 \u306f\u3001\u512a\u308c\u305f\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u3001\u5f37\u5ea6\u3067\u77e5\u3089\u308c\u308b\u4e2d\u70ad\u7d20\u5408\u91d1\u92fc\u3067\u3059\u3002\u713c\u304d\u306a\u307e\u3057\u72b6\u614b\u306e 4142 \u306f\u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3059\u3002\u6700\u9ad8 1000\u00b0F (537\u00b0C) \u306e\u6e29\u5ea6\u3067\u30af\u30ea\u30fc\u30d7\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5f37\u3044\u5727\u529b\u4e0b\u3067\u512a\u308c\u305f\u6027\u80fd\u304c\u6c42\u3081\u3089\u308c\u308b\u30b7\u30ca\u30ea\u30aa\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u306f\u3001\u30ab\u30e0\u30b7\u30e3\u30d5\u30c8\u3001\u30c9\u30ea\u30eb \u30ed\u30c3\u30c9\u3001\u30dc\u30eb\u30c8\u3001\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u3001\u30b9\u30d4\u30f3\u30c9\u30eb\u3001\u30d4\u30b9\u30c8\u30f3 \u30ed\u30c3\u30c9\u3001\u30ae\u30a2\u3001\u30d0\u30eb\u30d6\u3001\u305d\u306e\u4ed6\u306e\u9ad8\u8010\u4e45\u6027\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">AISI 4142 \u92fc\u76f8\u5f53\u30b0\u30ec\u30fc\u30c9<\/h2><p>SteelPro Group \u306f\u3001\u5f53\u793e\u306e 4142 \u88fd\u54c1\u304c\u56fd\u969b\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5f53\u793e\u306e\u88fd\u54c1\u306f\u5e45\u5e83\u3044\u7528\u9014\u306b\u304a\u3044\u3066\u6700\u3082\u53b3\u3057\u3044\u54c1\u8cea\u57fa\u6e96\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong><\/td><td><strong>\u540c\u7b49\u30b0\u30ec\u30fc\u30c9<\/strong><\/td><\/tr><tr><td>\u30a4\u30ae\u30ea\u30b9<\/td><td>42CrMo<\/td><\/tr><tr><td>\u56fd\u969b<\/td><td>A30422<\/td><\/tr><tr><td>ISO<\/td><td>42CrMo4<\/td><\/tr><tr><td>ASTM\/AISI<\/td><td>4140, 4142<\/td><\/tr><tr><td>\u56fd\u9023<\/td><td>G41400\u3001G41420<\/td><\/tr><tr><td>\u82f1\u8a9e\/\u30c9\u30a4\u30c4\u8a9e<\/td><td>42CrMo4<\/td><\/tr><tr><td>\u756a\u53f7<\/td><td>1.7225<\/td><\/tr><tr><td>JIS<\/td><td>SCM440\u3001SCM440H<\/td><\/tr><\/tbody><\/table><\/figure><ul class=\"wp-block-list\"><li>4142\u92fc\u306e\u305d\u306e\u4ed6\u306e\u540c\u7b49\u54c1:&nbsp;<\/li><\/ul><p>UNS G41420\u3001ASTM A322\u3001ASTM A331\u3001ASTM A505\u3001ASTM A519\u3001ASTMA547\u3001SAE J404\u3001SAE J412\u3001SAE J770<\/p><h2 class=\"wp-block-heading\">4142\u92fc\u306e\u5316\u5b66\u6210\u5206<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u8981\u7d20<\/strong><\/td><td><strong>\u542b\u6709\u91cf\uff08wt%\uff09<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>0.40~0.45<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.15~0.35<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>0.75~1.00<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u22640.035<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u22640.04<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>0.80~1.10<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>0.15~0.25<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4142 \u92fc\u306e\u6a5f\u68b0\u7684\u6027\u8cea<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/strong><\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30d6\u30ea\u30cd\u30eb<\/td><td>187~229<\/td><td>187~229<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30cc\u30fc\u30d7<\/td><td>230<\/td><td>230<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30ed\u30c3\u30af\u30a6\u30a7\u30ebB<\/td><td>94<\/td><td>94<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30ed\u30c3\u30af\u30a6\u30a7\u30ebC<\/td><td>15<\/td><td>15<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30d3\u30c3\u30ab\u30fc\u30b9<\/td><td>218<\/td><td>218<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>206 GPa<\/td><td>29900 ksi<\/td><\/tr><tr><td>\u4f53\u7a4d\u5f3e\u6027\u7387<\/td><td>163GPa<\/td><td>23600ksi<\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.29<\/td><td>0.29<\/td><\/tr><tr><td>\u52a0\u5de5\u6027<\/td><td>65%<\/td><td>65%<\/td><\/tr><tr><td>\u305b\u3093\u65ad\u5f3e\u6027\u4fc2\u6570<\/td><td>80.0 \u4e07\u6c17\u5727<\/td><td>11600ksi<\/td><\/tr><\/tbody><\/table><\/figure><ul class=\"wp-block-list\"><li>\u8868\u306e\u6a5f\u68b0\u7684\u7279\u6027\u306f\u3001\u713c\u920d\u304a\u3088\u3073\u51b7\u9593\u5f15\u629c\u52a0\u5de5\u3055\u308c\u305f\u72b6\u614b\u306e 4142 \u92fc\u306e\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u7279\u6027\u306f\u3001\u713c\u5165\u308c\u3084\u713c\u623b\u3057\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u71b1\u51e6\u7406\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u3001\u786c\u5ea6\u3001\u5f15\u5f35\u5f37\u5ea6\u3001\u6027\u80fd\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u5024\u306f\u53c2\u8003\u5024\u3068\u3057\u3066\u898b\u306a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">4142 \u92fc\u306e\u7269\u7406\u7684\u6027\u8cea<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/strong><\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>7.85 g\/cm\u00b3<\/td><td>0.284 lb\/in\u00b3<\/td><\/tr><tr><td>\u878d\u70b9<\/td><td>1420\u00b0C<\/td><td>2588\u00b0F<\/td><\/tr><tr><td>\u6bd4\u91cd<\/td><td>7.85<\/td><td>0.284<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4142 \u92fc\u306e\u71b1\u7279\u6027<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/strong><\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>0.473 J\/g-\u2103<\/td><td>0.113 BTU\/\u30dd\u30f3\u30c9-\u00b0F<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>42.6W\/mK<\/td><td>296 BTU-\u30a4\u30f3\u30c1\/\u6642-ft\u00b2-\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4142 \u92fc\u306e\u7528\u9014<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u7523\u696d<\/strong><\/td><td><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td><\/tr><tr><td>\u81ea\u52d5\u8eca<\/td><td>\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3001\u30b3\u30cd\u30af\u30c6\u30a3\u30f3\u30b0\u30ed\u30c3\u30c9\u3001\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30b7\u30e7\u30f3\u30ae\u30a2\u3001\u30d0\u30eb\u30d6\u30b9\u30d7\u30ea\u30f3\u30b0\u3001\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u90e8\u54c1<\/td><\/tr><tr><td>\u822a\u7a7a\u5b87\u5b99<\/td><td>\u7740\u9678\u88c5\u7f6e\u90e8\u54c1\u3001\u822a\u7a7a\u6a5f\u69cb\u9020\u90e8\u54c1\u3001\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1<\/td><\/tr><tr><td>\u7523\u696d\u6a5f\u68b0<\/td><td>\u30ae\u30a2\u3001\u30b7\u30e3\u30d5\u30c8\u3001\u30d9\u30a2\u30ea\u30f3\u30b0\u3001\u30b9\u30d4\u30f3\u30c9\u30eb\u3001\u6cb9\u5727\u90e8\u54c1<\/td><\/tr><tr><td>\u30c4\u30fc\u30ea\u30f3\u30b0<\/td><td>\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8\u3001\u5207\u524a\u5de5\u5177\u3001\u935b\u9020\u91d1\u578b<\/td><\/tr><tr><td>\u8ecd\u4e8b\u3068\u9632\u885b<\/td><td>\u7832\u8eab\u3001\u9ad8\u5f37\u5ea6\u30dc\u30eb\u30c8\u3001\u9ad8\u5fdc\u529b\u30fb\u75b2\u52b4\u3092\u53d7\u3051\u308b\u90e8\u54c1<\/td><\/tr><tr><td>\u77f3\u6cb9\u30fb\u30ac\u30b9<\/td><td>\u30c9\u30ea\u30eb\u30ed\u30c3\u30c9\u3001\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4142 \u92fc\u88fd\u54c1\u306e\u5f62\u72b6\u3068\u30b5\u30a4\u30ba<\/h2><p>\u5f53\u793e\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u3068\u5bf8\u6cd5\u306e 4142 \u92fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u54c1\u63c3\u3048\u306b\u306f\u3001\u4e38\u68d2\u3001\u5e73\u68d2\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u935b\u9020\u68d2\u3001\u30b7\u30fc\u30c8\u3001\u30c1\u30e5\u30fc\u30d6\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p><p>\u307e\u305f\u3001\u5f53\u793e\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b5\u30a4\u30ba\u8abf\u6574\u3084\u6b63\u78ba\u306a\u9577\u3055\u306e\u5207\u65ad\u30b5\u30fc\u30d3\u30b9\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u306b\u3088\u308a\u3001\u304a\u5ba2\u69d8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u3082\u306e\u3092\u6b63\u78ba\u306b\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table >t\u30dc\u30c7\u30a3&gt;<tr><td><strong>\u88fd\u54c1\u5f62\u614b<\/strong><\/td><td><strong>\u30b5\u30a4\u30ba\u7bc4\u56f2\uff08\u30e1\u30fc\u30c8\u30eb\u6cd5\uff09<\/strong><\/td><td><strong>\u30b5\u30a4\u30ba\u7bc4\u56f2\uff08\u82f1\u8a9e\uff09<\/strong><\/td><\/tr><tr><td>\u4e38\u68d2<\/td><td>\u76f4\u5f84: 10~300 mm\u9577\u3055: 1000~6000 mm<\/td><td>\u76f4\u5f84: 0.39~11.81\u30a4\u30f3\u30c1\u9577\u3055: 39.37~236.22\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u30d5\u30e9\u30c3\u30c8\u30d0\u30fc<\/td><td>\u5e45: 20~500 mm\u539a\u3055: 3~50 mm\u9577\u3055: 1000~6000 mm<\/td><td>\u5e45: 0.79~19.69\u30a4\u30f3\u30c1\u539a\u3055: 0.12~1.97\u30a4\u30f3\u30c1\u9577\u3055: 39.37~236.22\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u30d7\u30ec\u30fc\u30c8<\/td><td>\u539a\u3055: 5~100 mm\u9577\u3055: 1000~6000 mm<\/td><td>\u539a\u3055: 0.20~3.94\u30a4\u30f3\u30c1\u9577\u3055: 39.37~236.22\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u935b\u9020\u30d0\u30fc<\/td><td>\u76f4\u5f84: 50~500 mm\u9577\u3055: 1000~6000 mm<\/td><td>\u76f4\u5f84: 1.97~19.69\u30a4\u30f3\u30c1\u9577\u3055: 39.37~236.22\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u30b7\u30fc\u30c4<\/td><td>\u539a\u3055: 1~12 mm\u9577\u3055: 1000~4000 mm<\/td><td>\u539a\u3055: 0.04~0.47\u30a4\u30f3\u30c1\u9577\u3055: 39.37~157.48\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u30c1\u30e5\u30fc\u30d6\/\u30d1\u30a4\u30d7<\/td><td>\u76f4\u5f84: 20~200 mm\u539a\u3055: 2~20 mm\u9577\u3055: 1000~6000 mm<\/td><td>\u76f4\u5f84: 0.79~7.87 \u30a4\u30f3\u30c1\u539a\u3055: 0.08~0.79 \u30a4\u30f3\u30c1\u9577\u3055: 39.37~236.22 \u30a4\u30f3\u30c1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4142 \u92fc\u306e\u935b\u9020\u5de5\u7a0b<\/h2><p>4142 \u92fc\u306e\u935b\u9020\u306f\u3001\u92fc\u3092 1,150 \uff5e 1,200\u00b0C (2,100 \uff5e 2,190\u00b0F) \u306b\u52a0\u71b1\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u76ee\u7684\u306e\u5f62\u72b6\u304c\u9054\u6210\u3055\u308c\u308b\u3068\u3001\u92fc\u306f\u3086\u3063\u304f\u308a\u3068\u51b7\u5374\u3055\u308c\u3001\u6750\u6599\u3092\u5f31\u3081\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u5185\u90e8\u5fdc\u529b\u3092\u9632\u304e\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4142\u92fc\u306e\u71b1\u51e6\u7406<\/h2><ul class=\"wp-block-list\"><li><strong>\u713c\u304d\u5165\u308c<\/strong>\u307e\u305a\u3001\u92fc\u3092\u52a0\u71b1\u3057\u3066 <strong>850\uff5e880\u00b0C\uff081,560\uff5e1,620\u00b0F\uff09<\/strong> \u305d\u3057\u3066\u3001\u786c\u5ea6\u3092\u56fa\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u591a\u304f\u306e\u5834\u5408\u306f\u6cb9\u3084\u6c34\u4e2d\u3067\u6025\u901f\u306b\u51b7\u5374\u3055\u308c\u307e\u3059\u3002<\/li>\n\n<li><strong>\u713c\u304d\u623b\u3057<\/strong>: \u713c\u5165\u308c\u5f8c\u3001\u92fc\u3092\u518d\u52a0\u71b1\u3057\u3066 <strong>400\uff5e650\u00b0C\uff08750\uff5e1,200\u00b0F\uff09<\/strong>\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u308a\u3001\u5b9f\u7528\u4e0a\u5fc5\u8981\u306a\u5f37\u5ea6\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u8106\u3055\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">4142 \u92fc\u52a0\u5de5<\/h2><p>\u6a5f\u68b0\u52a0\u5de5 <strong>4142\u92fc<\/strong> \u7279\u306b\u71b1\u51e6\u7406\u3055\u308c\u305f\u72b6\u614b\u3067\u306f\u3001\u305d\u306e\u786c\u3055\u306e\u305f\u3081\u306b\u6271\u3044\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u70ad\u5316\u7269<\/strong> \u307e\u305f\u306f <strong>\u9ad8\u901f\u5ea6\u92fc\uff08HSS\uff09<\/strong> \u52b9\u7387\u7684\u306a\u5207\u65ad\u306e\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u308b\u5207\u65ad\u901f\u5ea6\u306f <strong>4142\u92fc<\/strong> \u7570\u306a\u308b <strong>35\uff5e70 m\/\u5206\uff08115\uff5e230 \u30d5\u30a3\u30fc\u30c8\/\u5206\uff09<\/strong>\u92fc\u306e\u786c\u5ea6\u30ec\u30d9\u30eb\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4142 \u92fc\u6eb6\u63a5<\/h2><p>\u6eb6\u63a5 <strong>4142\u92fc<\/strong> \u3072\u3073\u5272\u308c\u3084\u6b6a\u307f\u3092\u9632\u3050\u305f\u3081\u306b\u71b1\u3092\u614e\u91cd\u306b\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306f\u901a\u5e38\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p><ol class=\"wp-block-list\"><li><strong>\u4e88\u71b1<\/strong>: \u92fc\u306f\u4e88\u71b1\u3057\u3066 <strong>150\uff5e200\u00b0C\uff08300\uff5e400\u00b0F\uff09<\/strong>\u7279\u306b\u539a\u3044\u90e8\u5206\u3067\u306f\u3001\u71b1\u885d\u6483\u3084\u5272\u308c\u306e\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li>\n\n<li><strong>\u6eb6\u63a5\u65b9\u6cd5<\/strong>: <strong>\u30c6\u30a3\u30b0<\/strong> \u305d\u3057\u3066 <strong>MIG\u6eb6\u63a5<\/strong> \u6eb6\u63a5\u306b\u6700\u9069\u306a\u65b9\u6cd5\u3067\u3059 <strong>4142\u92fc<\/strong>\u6eb6\u63a5\u30d7\u30fc\u30eb\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002 <strong>\u30b9\u30c6\u30a3\u30c3\u30af\u6eb6\u63a5<\/strong> \u5b9f\u73fe\u53ef\u80fd\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u7d30\u90e8\u3078\u306e\u3055\u3089\u306a\u308b\u6ce8\u610f\u3068\u30b9\u30ad\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n<li><strong>\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406<\/strong>: \u5fdc\u529b\u3092\u7de9\u548c\u3057\u3001\u5272\u308c\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3001\u6eb6\u63a5\u90e8\u54c1\u306f\u6eb6\u63a5\u5f8c\u306b\u713c\u304d\u5165\u308c\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>450\uff5e650\u00b0C\uff08850\uff5e1,200\u00b0F\uff09<\/strong>.<\/li><\/ol><p>SteelPro Group\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044 <strong>\u6eb6\u63a5\u30b5\u30fc\u30d3\u30b9<\/strong> \u306e\u305f\u3081\u306b <strong>4142\u92fc<\/strong>\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u3067\u3082\u9ad8\u5f37\u5ea6\u3067\u8010\u4e45\u6027\u306e\u3042\u308b\u6eb6\u63a5\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4142\u5408\u91d1\u92fc\u306e\u4e3b\u306a\u7279\u6027<\/h2><h3 class=\"wp-block-heading\">\u30e1\u30ea\u30c3\u30c8<\/h3><ul class=\"wp-block-list\"><li>\u9ad8\u3044\u5f37\u5ea6\u3068\u976d\u6027<\/li>\n\n<li>\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3068\u8010\u75b2\u52b4\u6027<\/li>\n\n<li>\u512a\u308c\u305f\u71b1\u51e6\u7406\u67d4\u8edf\u6027<\/li>\n\n<li>\u30af\u30ed\u30e0\u542b\u6709\u91cf\u306b\u3088\u308b\u8010\u8150\u98df\u6027\u306e\u5411\u4e0a<\/li><\/ul><h3 class=\"wp-block-heading\">\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3><ul class=\"wp-block-list\"><li>\u70ad\u7d20\u92fc\u306b\u6bd4\u3079\u3066\u30b3\u30b9\u30c8\u304c\u9ad8\u3044<\/li>\n\n<li>\u786c\u5316\u72b6\u614b\u3067\u306f\u52a0\u5de5\u304c\u56f0\u96e3<\/li>\n\n<li>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u6bd4\u3079\u3066\u8010\u98df\u6027\u304c\u9650\u3089\u308c\u3066\u3044\u308b<\/li>\n\n<li>\u6eb6\u63a5\u306b\u306f\u4e88\u71b1\u3068\u6eb6\u63a5\u5f8c\u306e\u51e6\u7406\u304c\u5fc5\u8981<\/li><\/ul><h2 class=\"wp-block-heading\">4140 \u5bfe 4142 \u30b9\u30c1\u30fc\u30eb<\/h2><p>4140 \u92fc\u3068 4142 \u92fc\u306f\u3069\u3061\u3089\u3082\u4e2d\u70ad\u7d20\u5408\u91d1\u92fc\u3067\u3059\u3002\u512a\u308c\u305f\u8010\u4e45\u6027\u3068\u8010\u6469\u8017\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u90e8\u54c1\u306b\u306f\u30014140 \u92fc\u304c\u6700\u9069\u3067\u3059\u3002\u6a5f\u68b0\u52a0\u5de5\u6027\u304c\u512a\u5148\u3055\u308c\u308b\u30b3\u30b9\u30c8\u91cd\u8996\u306e\u7528\u9014\u306b\u306f\u30014142 \u92fc\u304c\u3088\u308a\u624b\u9803\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002&nbsp;<\/p><p><a href=\"https:\/\/steelprogroup.com\/ja\/special-steel\/aisi-4140\/\"><strong>4140\u30b9\u30c1\u30fc\u30eb<\/strong><\/a>\u30af\u30ed\u30e0\u3068\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u786c\u5316\u6027\u3001\u8010\u4e45\u6027\u3001\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u3001\u30ae\u30a2\u3084\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u306e\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u4e00\u65b9\u3001 <strong>4142\u92fc<\/strong>\u3053\u308c\u3089\u306e\u5143\u7d20\u306e\u542b\u6709\u91cf\u304c\u5c11\u306a\u3044 \u306f\u3001\u5f37\u5ea6\u306f\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8010\u6469\u8017\u6027\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6cb9\u5727\u30d4\u30b9\u30c8\u30f3\u3084\u8eca\u8ef8\u306a\u3069\u3001\u5fdc\u529b\u96c6\u4e2d\u306e\u5c11\u306a\u3044\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>\u52a0\u5de5\u6027\u306b\u95a2\u3057\u3066\u306f\u3001 <strong>4142\u92fc<\/strong> \u4f5c\u696d\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u751f\u7523\u304c\u901f\u304f\u306a\u308a\u3001\u52a0\u5de5\u30b3\u30b9\u30c8\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002 <strong>4140\u30b9\u30c1\u30fc\u30eb<\/strong>\u9ad8\u30b9\u30c8\u30ec\u30b9\u74b0\u5883\u3067\u306f\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u304c\u3001\u6a5f\u68b0\u52a0\u5de5\u304c\u96e3\u3057\u3044\u3002<\/p><h2 class=\"wp-block-heading\">4142 \u30b9\u30c1\u30fc\u30eb\u30ab\u30b9\u30bf\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u6700\u7d42\u51e6\u7406<\/h2><p>SteelPro Group\u306e\u54c1\u8cea\u3068\u7cbe\u5ea6\u3078\u306e\u53d6\u308a\u7d44\u307f\u306b\u3088\u308a\u3001 <strong>4142\u92fc<\/strong> \u935b\u9020\u3001\u71b1\u51e6\u7406\u3001\u30ab\u30b9\u30bf\u30e0\u52a0\u5de5\u306a\u3069\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u6700\u9ad8\u7d1a\u306e\u7d20\u6750\u3092\u3054\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3082\u5f53\u793e\u306b\u304a\u4efb\u305b\u304f\u3060\u3055\u3044\u3002\u5f53\u793e\u306e\u5c02\u9580\u77e5\u8b58\u306f <strong>4142\u92fc<\/strong> \u5e38\u306b\u4fe1\u983c\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>In the world of manufacturing and engineering, 4142 steel is a cornerstone for parts that require robust performance under stress. [&hellip;]<\/p>","protected":false},"author":12,"featured_media":21356,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[4308],"tags":[],"class_list":["post-21362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alloy-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/comments?post=21362"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21362\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/21356"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=21362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=21362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=21362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}