{"id":20161,"date":"2025-01-02T07:39:00","date_gmt":"2025-01-01T23:39:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20161"},"modified":"2025-01-02T15:09:16","modified_gmt":"2025-01-02T07:09:16","slug":"1-2738","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/grades\/1-2738\/","title":{"rendered":"P20Ni | 1.2738 | \u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\u7528 P20+Ni \u5de5\u5177\u92fc"},"content":{"rendered":"<p>SteelPro \u30b0\u30eb\u30fc\u30d7\u306f\u3001\u9ad8\u54c1\u8cea\u306e\u5de5\u5177\u92fc\u306e\u88fd\u9020\u3092\u5c02\u9580\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u88fd\u54c1\u306b\u306f\u30011.2738 \u92fc\u3001P20Ni \u71b1\u9593\u5727\u5ef6\u307e\u305f\u306f\u935b\u9020\u30d0\u30fc\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30d6\u30ed\u30c3\u30af\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u9577\u5e74\u306e\u5c02\u9580\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3066\u3001\u304a\u5ba2\u69d8\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u88fd\u54c1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>1.2738 \u92fc\u306f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\u7528\u92fc\u3067\u3059\u3002\u5408\u91d1\u5143\u7d20\u3068\u3057\u3066 Cr-Ni-Mo \u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u512a\u308c\u305f\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u976d\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u30021.2311 \u306a\u3069\u306e\u985e\u4f3c\u30b0\u30ec\u30fc\u30c9\u3068\u6bd4\u8f03\u3057\u3066\u3001\u512a\u308c\u305f\u6a5f\u68b0\u52a0\u5de5\u6027\u3001\u5353\u8d8a\u3057\u305f\u7814\u78e8\u6027\u3001\u8010\u6469\u8017\u6027\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u5927\u578b\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\u3001\u6df1\u5f6b\u308a\u3001\u7279\u306b\u30b3\u30a2\u9818\u57df\u3067\u5927\u304d\u306a\u885d\u6483\u3092\u53d7\u3051\u308b\u91d1\u578b\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p>\u5f53\u793e\u306f\u3001\u786c\u5ea6\u7bc4\u56f2\u304c 280 \uff5e 325 HB \u306e\u3001\u786c\u5316\u524d\u72b6\u614b\u306e 1.2738 \u5de5\u5177\u92fc\u3092\u4f9b\u7d66\u3057\u307e\u3059\u3002\u7a92\u5316\u51e6\u7406\u3084\u30af\u30ed\u30e0\u30e1\u30c3\u30ad\u51e6\u7406\u306b\u6700\u9069\u3067\u3001\u6027\u80fd\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1.2738 \u92fc\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>1.2738 \u92fc\u306f P20+Ni \u307e\u305f\u306f P20Ni \u3068\u3082\u547c\u3070\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u898f\u683c\u3067\u56fd\u969b\u7684\u306b\u540c\u7b49\u306e\u92fc\u304c\u8907\u6570\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u540c\u7b49\u306e\u92fc\u306e\u4e00\u89a7\u3067\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>3Cr2MnNiMo<\/td><\/tr><tr><td>ASTM\/AISI<\/td><td>P20Ni<\/td><\/tr><tr><td>ISO<\/td><td>40CrMnNiMo 8-6-4<\/td><\/tr><tr><td>\u30c7\u30a3\u30f3<\/td><td>1.2738<\/td><\/tr><tr><td>JIS<\/td><td>PDS5S\u92fc<\/td><\/tr><tr><td>\u56fd\u969b<\/td><td>T25553<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\u92fc\u88fd\u54c1\u306e\u5f62\u72b6\u3068\u4f9b\u7d66\u7bc4\u56f2<\/h2><p>\u5f53\u793e\u3067\u306f\u30011.2738 \u92fc\u3092\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30ba\u306e\u68d2\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30d6\u30ed\u30c3\u30af\u3001\u4e38\u68d2\u3067\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u30ab\u30b9\u30bf\u30e0 \u30b5\u30a4\u30ba\u3082\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u5f53\u793e\u306e\u88fd\u54c1\u306f\u3001GB\/T 1299 \u3084 ASTM A681 \u306a\u3069\u306e\u56fd\u969b\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u6b63\u78ba\u306a\u5bf8\u6cd5\u3068\u9ad8\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u88fd\u54c1\u5f62\u614b<\/strong><\/td><td><strong>\u5bf8\u6cd5\u7bc4\u56f2\uff08\u30e1\u30fc\u30c8\u30eb\u6cd5\uff09<\/strong><\/td><td><strong>\u5bf8\u6cd5\u7bc4\u56f2\uff08\u30e1\u30fc\u30c8\u30eb\u6cd5\uff09<\/strong><\/td><\/tr><tr><td rowspan=\"2\">\u30d0\u30fc<\/td><td>\u76f4\u5f84: 20 mm\uff5e500 mm<\/td><td>\u76f4\u5f84: 0.8\u30a4\u30f3\u30c1\uff5e20\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u9577\u3055: 3,000 mm\uff5e6,000 mm<\/td><td>\u9577\u3055: 118\u30a4\u30f3\u30c1\uff5e236\u30a4\u30f3\u30c1<\/td><\/tr><tr><td rowspan=\"3\">\u30d7\u30ec\u30fc\u30c8<\/td><td>\u539a\u3055: 10 mm\uff5e300 mm<\/td><td>\u539a\u3055: 0.4\u30a4\u30f3\u30c1\uff5e12\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u5e45: 200 mm\uff5e2,500 mm<\/td><td>\u5e45: 8\u30a4\u30f3\u30c1\uff5e98\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u9577\u3055: 1,000 mm\uff5e6,000 mm<\/td><td>\u9577\u3055: 39\u30a4\u30f3\u30c1\uff5e236\u30a4\u30f3\u30c1<\/td><\/tr><tr><td rowspan=\"3\">\u30d6\u30ed\u30c3\u30af<\/td><td>\u539a\u3055: 50 mm\uff5e300 mm<\/td><td>\u539a\u3055: 2\u30a4\u30f3\u30c1\uff5e12\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u5e45: 200 mm\uff5e1,500 mm<\/td><td>\u5e45: 8\u30a4\u30f3\u30c1\uff5e59\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u9577\u3055: 300 mm\uff5e2,500 mm<\/td><td>\u9577\u3055: 12\u30a4\u30f3\u30c1\uff5e98\u30a4\u30f3\u30c1<\/td><\/tr><tr><td rowspan=\"2\">\u30e9\u30a6\u30f3\u30c9<\/td><td>\u76f4\u5f84: 30 mm\uff5e500 mm<\/td><td>\u76f4\u5f84: 1.2\u30a4\u30f3\u30c1\uff5e20\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u9577\u3055: 3,000 mm\uff5e6,000 mm<\/td><td>\u9577\u3055: 118\u30a4\u30f3\u30c1\uff5e236\u30a4\u30f3\u30c1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\u92fc\u306e\u5316\u5b66\u7d44\u6210<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td><td><strong>\u69cb\u6210<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>0.35 &#8211; 0.45<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.2 &#8211; 0.4<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>1.3 &#8211; 1.6<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u22640.03<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u22640.03<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>1.8 &#8211; 2.1<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>0.9 &#8211; 1.2<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>0.15 &#8211; 0.25<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\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\u30c8\u30ea\u30c3\u30af\u5024<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u30fb\u30d0\u30ea\u30e5\u30fc<\/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>\u71b1\u4f1d\u5c0e\u7387<\/td><td>29.0W\/m\u00b7K<\/td><td>16.78 BTU\u00b7\u30a4\u30f3\u30c1\/\u6642\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>460 J\/kg-K<\/td><td>0.11 BTU\/lb-\u00b0F<\/td><\/tr><tr><td>\u71b1\u81a8\u5f35\u4fc2\u6570<\/td><td>11.5 \u00b5m\/m\u00b7K<\/td><td>6.39 x 10\u207b\u2076 \u30a4\u30f3\u30c1\/\u30a4\u30f3\u30c1\u00b7\u00b0F<\/td><\/tr><tr><td>\u96fb\u6c17\u62b5\u6297\u7387<\/td><td>0.52 \u00b5\u03a9\u00b7cm<\/td><td>0.52 \u00b5\u03a9\u00b7\u30a4\u30f3\u30c1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\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\u30c8\u30ea\u30c3\u30af\u5024<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u30fb\u30d0\u30ea\u30e5\u30fc<\/strong><\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>750 \u2013 950 MPa<\/td><td>108,000 \u2013 137,750 psi<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>500 \u2013 700 MPa<\/td><td>72,500 \u2013 101,500 psi<\/td><\/tr><tr><td>\u7834\u65ad\u4f38\u5ea6<\/td><td>\u226512%<\/td><td>\u226512%<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u8edf\u8cea\u713c\u920d\uff09<\/td><td>&lt;235 HB<\/td><td>&lt;235 HB<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u713c\u304d\u5165\u308c\u3068\u713c\u304d\u623b\u3057\uff09<\/td><td>&lt;51 HR<\/td><td>&lt;51 HR<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027\uff08\u30b7\u30e3\u30eb\u30d4\u30fc\uff09<\/td><td>25 \u30b8\u30a7\u30d5<\/td><td>18.5 \u30d5\u30a3\u30fc\u30c8\u00b7\u30dd\u30f3\u30c9<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>10.2 \u30b8\u30e5\u30fc\u30eb\/mm\u00b3<\/td><td>0.18 \u30d5\u30a3\u30fc\u30c8\u00b7\u30dd\u30f3\u30c9\/\u30a4\u30f3\u30c1\u00b3<\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.28<\/td><td>0.28<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738\u5de5\u5177\u92fc\u306e\u71b1\u51e6\u7406<\/h2><p>1.2312 \u92fc\u306f\u786c\u5316\u6e08\u307f\u72b6\u614b\u3067\u4f9b\u7d66\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u306f\u8ffd\u52a0\u306e\u71b1\u51e6\u7406\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u9ad8\u5fdc\u529b\u306e\u7528\u9014\u3067\u4f7f\u7528\u3059\u308b\u5834\u5408\u3084\u3001\u3088\u308a\u9ad8\u3044\u786c\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u713c\u304d\u623b\u3057\u307e\u305f\u306f\u5fdc\u529b\u7de9\u548c\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p>1.2312 \u92fc\u3092\u8edf\u5316\u3055\u305b\u308b\u306b\u306f\u3001\u7d04 710\u00b0C \uff5e 740\u00b0C (1,310\u00b0F \uff5e 1,360\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u539a\u3055 25 mm (1 \u30a4\u30f3\u30c1) \u3054\u3068\u306b 1 \u6642\u9593\u305d\u306e\u6e29\u5ea6\u306b\u4fdd\u3061\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7089\u5185\u3067 1 \u6642\u9593\u3042\u305f\u308a 10\u00b0C \uff5e 20\u00b0C (50\u00b0F \uff5e 70\u00b0F) \u306e\u5272\u5408\u3067\u3086\u3063\u304f\u308a\u3068\u51b7\u5374\u3057\u3001600\u00b0C (1,110\u00b0F) \u306b\u9054\u3057\u305f\u3089\u3001\u7a7a\u6c17\u4e2d\u3067\u5ba4\u6e29\u307e\u3067\u51b7\u5374\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30b9\u30c8\u30ec\u30b9\u30fb\u30ea\u30ea\u30fc\u30d5\u30fb\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p>\u5185\u90e8\u5fdc\u529b\u3092\u7de9\u548c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u901a\u5e38\u306e\u713c\u304d\u306a\u307e\u3057\u306e\u5834\u5408\u306f\u92fc\u3092 600\u00b0C (1,110\u00b0F) \u307e\u3067\u3001\u713c\u304d\u5165\u308c\u3068\u713c\u304d\u623b\u3057\u306e\u5834\u5408\u306f 550\u00b0C (1,020\u00b0F) \u307e\u3067\u52a0\u71b1\u3057\u307e\u3059\u3002\u539a\u3055 50 mm (2 \u30a4\u30f3\u30c1) \u3054\u3068\u306b 1 \u6642\u9593\u305d\u306e\u6e29\u5ea6\u306b\u4fdd\u3063\u305f\u5f8c\u3001\u7089\u5185\u3067\u3086\u3063\u304f\u308a\u3068\u51b7\u5374\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u786c\u5316<\/h3><ol class=\"wp-block-list\"><li><strong>\u4e88\u71b1<\/strong>\u307e\u305a\u3001\u92fc\u3092\u7d04 450\u00b0C \uff5e 500\u00b0C (840\u00b0F \uff5e 930\u00b0F) \u306b 1 \uff5e 2 \u6642\u9593\u4e88\u71b1\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u5316<\/strong>\u6b21\u306b\u3001\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u5316\u51e6\u7406\u306e\u305f\u3081\u306b 850\u00b0C \uff5e 880\u00b0C (1,560\u00b0F \uff5e 1,620\u00b0F) \u306b\u52a0\u71b1\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u713c\u304d\u5165\u308c<\/strong>: \u6cb9\u3001\u6c34\u3001\u307e\u305f\u306f\u7a7a\u6c17\u4e2d\u3067 180\u00b0C \uff5e 220\u00b0C (355\u00b0F \uff5e 430\u00b0F) \u3067\u92fc\u3092\u6025\u901f\u306b\u713c\u304d\u5165\u308c\u3057\u307e\u3059\u3002\u713c\u304d\u5165\u308c\u5f8c\u3001\u92fc\u306e\u786c\u5ea6\u306f\u7d04 50 HRC \u306b\u306a\u308a\u307e\u3059\u3002<\/li><\/ol><h3 class=\"wp-block-heading\">\u9ad8\u5468\u6ce2\u713c\u5165\u308c<\/h3><p>1.2312 \u92fc\u306f\u8a98\u5c0e\u786c\u5316\u306b\u3088\u308a\u8868\u9762\u786c\u5ea6\u3092\u6700\u5927 55 HRC \u307e\u3067\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u92fc\u306f\u9ad8\u5468\u6ce2\u8a98\u5c0e\u30b3\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066 800\u00b0C \uff5e 850\u00b0C (1,470\u00b0F \uff5e 1,560\u00b0F) \u306e\u6e29\u5ea6\u306b\u52a0\u71b1\u3055\u308c\u3001\u305d\u306e\u5f8c\u6c34\u307e\u305f\u306f\u7a7a\u6c17\u3067\u6025\u901f\u306b\u51b7\u5374\u3055\u308c\u307e\u3059\u3002<\/p><p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u5de5\u5177\u90e8\u54c1\u3084\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u3001\u30b3\u30a2\u306e\u5f37\u5ea6\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u8868\u9762\u306b\u8010\u6469\u8017\u6027\u304c\u5fc5\u8981\u306a\u90e8\u54c1\u306b\u6700\u9069\u3067\u3059\u3002\u90e8\u54c1\u5168\u4f53\u306b\u4f5c\u7528\u3059\u308b\u5f93\u6765\u306e\u786c\u5316\u3068\u306f\u7570\u306a\u308a\u3001\u8a98\u5c0e\u786c\u5316\u306f\u8868\u9762\u306e\u307f\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9ad8\u3044\u7cbe\u5ea6\u3068\u52b9\u7387\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u713c\u304d\u623b\u3057<\/h3><p>\u713c\u304d\u5165\u308c\u5f8c\u3001\u92fc\u3092180\u00b0C\uff5e220\u00b0C\uff08355\u00b0F\uff5e430\u00b0F\uff09\u306b\u52a0\u71b1\u3057\u3066\u713c\u304d\u5165\u308c\u3057\u307e\u3059\u3002\u539a\u305525 mm\uff081\u30a4\u30f3\u30c1\uff09\u3054\u3068\u306b1\u6642\u9593\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u786c\u5ea6\u304c\u5747\u7b49\u306b\u5e83\u304c\u308b\u3088\u3046\u306b\u3001\u713c\u304d\u5165\u308c\u306f2\u56de\u884c\u3046\u306e\u304c\u6700\u9069\u3067\u3059\u3002\u713c\u304d\u5165\u308c\u5f8c\u306e\u786c\u5ea6\u306f\u3001\u7d04280\uff5e330 HB\u306b\u306a\u308a\u307e\u3059\u3002&nbsp;<\/p><p>\u4ee5\u4e0b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u713c\u304d\u623b\u3057\u6e29\u5ea6\u3067\u306e\u713c\u304d\u623b\u3057\u72b6\u614b\u306e 1.2738 \u92fc\u306e\u786c\u5ea6\u3092\u793a\u3059\u8868\u3067\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u713c\u623b\u3057\u6e29\u5ea6\uff08\u2103\uff09<\/strong><\/td><td><strong>\u713c\u304d\u623b\u3057\u6e29\u5ea6\uff08\u00b0F\uff09<\/strong><\/td><td><strong>\u786c\u5ea6\uff08HRC\uff09<\/strong><\/td><\/tr><tr><td>100\u2103<\/td><td>212\u00b0F<\/td><td>51.5HRC<\/td><\/tr><tr><td>200\u00b0C<\/td><td>392\u00b0F<\/td><td>50.2HRC<\/td><\/tr><tr><td>300\u00b0C<\/td><td>572\u00b0F<\/td><td>48HRC<\/td><\/tr><tr><td>400\u00b0C<\/td><td>752\u00b0F<\/td><td>46.2HRC<\/td><\/tr><tr><td>500\u00b0C<\/td><td>932\u00b0F<\/td><td>43 HR<\/td><\/tr><tr><td>600\u00b0C<\/td><td>1,112\u00b0F<\/td><td>39 HR<\/td><\/tr><tr><td>700\u2103<\/td><td>1,292\u00b0F<\/td><td>29 HR<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1.2738 \u5de5\u5177\u92fc\u306e\u7528\u9014<\/h2><p>1.2738 \u306f\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u3068\u8868\u9762\u4ed5\u4e0a\u3052\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u7cbe\u5ea6\u3068\u8010\u4e45\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u91d1\u578b\u306e\u88fd\u9020\u306b\u6700\u9069\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u7528\u9014\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u5c04\u51fa\u6210\u5f62\u91d1\u578b<\/strong>\u81ea\u52d5\u8eca\u3001\u96fb\u5b50\u6a5f\u5668\u3001\u6d88\u8cbb\u8ca1\u306e\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u90e8\u54c1\u5411\u3051\u3002<\/li>\n\n<li><strong>\u30c0\u30a4\u30ab\u30b9\u30c8\u91d1\u578b<\/strong>: \u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3001\u4e9c\u925b\u3001\u30de\u30b0\u30cd\u30b7\u30a6\u30e0\u5408\u91d1\u306e\u92f3\u9020\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n<li><strong>\u62bc\u3057\u51fa\u3057\u30c0\u30a4\u30b9<\/strong>: \u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3001\u30b4\u30e0\u3001\u91d1\u5c5e\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u88fd\u9020\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n<li><strong>\u91d1\u578b\u30a4\u30f3\u30b5\u30fc\u30c8<\/strong>: \u5c04\u51fa\u6210\u5f62\u91d1\u578b\u304a\u3088\u3073\u5727\u7e2e\u6210\u5f62\u91d1\u578b\u306e\u30b3\u30a2\u304a\u3088\u3073\u30ad\u30e3\u30d3\u30c6\u30a3\u7528\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">1.2738\u5de5\u5177\u92fc\u5411\u3051\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h2><p>SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u6a5f\u68b0\u52a0\u5de5\u3001\u5207\u65ad\u3001\u7814\u78e8\u3001\u713c\u304d\u623b\u3057\u3084\u786c\u5316\u306a\u3069\u306e\u71b1\u51e6\u7406\u3092\u542b\u3080\u30011.2738 \u5de5\u5177\u92fc\u306e\u5c02\u9580\u7684\u306a\u52a0\u5de5\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002&nbsp;<\/p><p>\u5f53\u793e\u306e\u7cbe\u5ea6\u3068\u7d4c\u9a13\u306b\u3088\u308a\u3001\u304a\u5ba2\u69d8\u306e\u92fc\u6750\u304c\u9ad8\u54c1\u8cea\u306e\u91d1\u578b\u3084\u90e8\u54c1\u306b\u6700\u9069\u5316\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002 <a href=\"https:\/\/steelprogroup.com\/ja\/tool-steel\/h13\/\">1.2344 \u5de5\u5177\u92fc<\/a> \u3088\u308a\u8981\u6c42\u306e\u53b3\u3057\u3044\u9ad8\u71b1\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u3002&nbsp;<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPro Group specialize in the production of high-quality Tool Steel. Our range includes 1.2738 steel, P20Ni hot-rolled or forged bars, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":20159,"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":[4294,4293],"tags":[],"class_list":["post-20161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades-tool-steel","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/20161","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/comments?post=20161"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/20161\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/20159"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=20161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=20161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=20161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}