{"id":19871,"date":"2024-12-15T11:16:00","date_gmt":"2024-12-15T03:16:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19871"},"modified":"2025-01-14T14:44:35","modified_gmt":"2025-01-14T06:44:35","slug":"d3","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/grades\/d3\/","title":{"rendered":"D3 \u5de5\u5177\u92fc | \u51b7\u9593\u52a0\u5de5\u92fc: \u7279\u6027\u3001\u540c\u7b49\u30b0\u30ec\u30fc\u30c9\u3001\u7528\u9014\u3001\u5f62\u72b6"},"content":{"rendered":"<p class=\"wp-block-paragraph\">D3 \u92fc\u306f\u3001\u51b7\u9593\u5de5\u5177\u92fc\u30b0\u30eb\u30fc\u30d7\u306e\u30c8\u30c3\u30d7 \u30c1\u30e7\u30a4\u30b9\u3067\u3042\u308a\u3001\u305d\u306e\u512a\u308c\u305f\u786c\u5ea6\u3001\u8010\u4e45\u6027\u3001\u92ed\u3044\u5203\u5148\u3092\u7dad\u6301\u3059\u308b\u80fd\u529b\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u30022.0 \uff5e 2.4% \u306e\u70ad\u7d20\u3068 12.0 \uff5e 13.0% \u306e\u30af\u30ed\u30e0\u3092\u542b\u3080\u3053\u306e\u92fc\u306f\u3001\u30c0\u30a4\u3084\u30d1\u30f3\u30c1\u306a\u3069\u306e\u5de5\u5177\u306b\u6700\u9069\u3067\u3001\u9ad8\u3044\u5fdc\u529b\u3068\u6469\u64e6\u306b\u5bb9\u6613\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002D3 \u306f\u6cb9\u713c\u304d\u5165\u308c\u306b\u3088\u3063\u3066\u786c\u5316\u3057\u307e\u3059\u304c\u3001\u4e8c\u6b21\u786c\u5316\u306f\u884c\u3048\u307e\u305b\u3093\u3002\u305d\u306e\u5fae\u7d30\u69cb\u9020\u306b\u306f\u30af\u30ed\u30e0\u3092\u591a\u304f\u542b\u3080\u70ad\u5316\u7269\u304c\u5927\u91cf\u306b\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u3067\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3068\u8010\u4e45\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001D3 \u92fc\u306e\u4e3b\u306a\u7279\u6027\u3001\u71b1\u51e6\u7406\u3001\u540c\u7b49\u306e\u30b0\u30ec\u30fc\u30c9\u3001\u4ed5\u69d8\u3001\u5f62\u72b6\u3001\u7528\u9014\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u6700\u3082\u8981\u6c42\u306e\u53b3\u3057\u3044\u30c4\u30fc\u30eb\u8981\u4ef6\u306b\u9069\u3057\u305f\u9078\u629e\u3092\u884c\u3046\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">D3\u51b7\u9593\u5de5\u5177\u92fc\u306e\u7279\u6027<\/h2><p class=\"wp-block-paragraph\">D3 \u92fc\u306f\u3001\u512a\u308c\u305f\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u3001\u5b89\u5b9a\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u5de5\u5177\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u5b9f\u969b\u306e\u7528\u9014\u3067\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3057\u3066\u3044\u305f\u3060\u304f\u305f\u3081\u306b\u3001\u4e3b\u306a\u6a5f\u80fd\u306e\u6982\u8981\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">D3\u92fc\u306e\u5316\u5b66\u7d44\u6210<\/h3><p class=\"wp-block-paragraph\">D3 \u92fc\u306e\u5316\u5b66\u7d44\u6210\u8868\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td><td><strong>\u30b3\u30f3\u30c6\u30f3\u30c4\uff08%\uff09<\/strong><\/td><\/tr><tr><td>\u70ad\u7d20\u3001C<\/td><td>2.0 &#8211; 2.4<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\u3001Cr<\/td><td>12.0 &#8211; 13.0<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3\u3001Mn<\/td><td>0.30 &#8211; 0.60<\/td><\/tr><tr><td>\u30b7\u30ea\u30b3\u30f3\u3001Si<\/td><td>0.30 &#8211; 0.50<\/td><\/tr><tr><td>\u30d0\u30ca\u30b8\u30a6\u30e0\u3001V<\/td><td>0.10 &#8211; 0.30<\/td><\/tr><tr><td>\u30ea\u30f3\u3001P<\/td><td>\u2264 0.03<\/td><\/tr><tr><td>\u786b\u9ec4\u3001S<\/td><td>\u2264 0.03<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">D3\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/h3><p class=\"wp-block-paragraph\">D3 \u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027\u306e\u8868\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d<\/strong><\/td><td><strong>\u5e1d\u56fd\u5358\u4f4d<\/strong><\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.28<\/td><td>0.28<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>210 GPa<\/td><td>30.5 \u00d7 10\u2076 psi<\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>1,550 \u2013 1,750 MPa<\/td><td>225 \u2013 254 ksi<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>1,400 \u2013 1,600 MPa<\/td><td>203 \u2013 232 ksi<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027<\/td><td>8 \u2013 12 J\/cm\u00b2<\/td><td>0.15 \u2013 0.22 \u30d5\u30a3\u30fc\u30c8\u30dd\u30f3\u30c9\/\u30a4\u30f3\u30c1\u00b2<\/td><\/tr><tr><td>\u4f38\u3073<\/td><td>6 &#8211; 10%<\/td><td>6 &#8211; 10%<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">D3 \u92fc\u306f\u5f15\u5f35\u5f37\u5ea6\u304c\u9ad8\u304f (1,550 \uff5e 1,750 MPa)\u3001\u5909\u5f62\u3059\u308b\u3053\u3068\u306a\u304f\u5927\u304d\u306a\u30b9\u30c8\u30ec\u30b9\u3084\u885d\u6483\u306b\u8010\u3048\u308b\u30c4\u30fc\u30eb\u306b\u6700\u9069\u3067\u3059\u3002<\/p><h3 class=\"wp-block-heading\">D3\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d<\/strong><\/td><td><strong>\u5e1d\u56fd\u5358\u4f4d<\/strong><\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>7.7 g\/cm\u00b3<\/td><td>0.278 lb\/in\u00b3<\/td><\/tr><tr><td>\u878d\u70b9<\/td><td>1,200\uff5e1,250\u2103<\/td><td>2,192 \u2013 2,282 \u00b0F<\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>460 J\/kg-K<\/td><td>0.110 Btu\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>25W\/m\u00b7K<\/td><td>14.5 BTU\u00b7in\/h\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u71b1\u81a8\u5f35\u4fc2\u6570<\/td><td>11.5 \u00b5m\/m\u00b7K<\/td><td>6.39 \u00d7 10\u207b\u2076 \u30a4\u30f3\u30c1\/\u30a4\u30f3\u30c1\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">\u878d\u70b9\u304c 1,200 \uff5e 1,250\u00b0C \u306e D3 \u92fc\u306f\u9ad8\u6e29\u306b\u8010\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u5de5\u5177\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u71b1\u5b89\u5b9a\u6027\u3092\u512a\u5148\u3059\u308b\u5834\u5408\u306f\u3001\u9ad8\u6e29\u306b\u9577\u6642\u9593\u3055\u3089\u3055\u308c\u3066\u3082 D2 \u307e\u305f\u306f A2 \u92fc\u306e\u65b9\u304c\u8010\u71b1\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h4 class=\"wp-block-heading\">D3\u92fc\u306e\u786c\u5ea6\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b?<\/h4><p class=\"wp-block-paragraph\">D3 \u92fc\u306f\u3001\u9069\u5207\u306a\u71b1\u51e6\u7406\u3092\u65bd\u3059\u3068\u901a\u5e38 58 \uff5e 62 HRC \u306e\u786c\u5ea6\u306b\u9054\u3057\u3001\u92ed\u3044\u5203\u5148\u3092\u7dad\u6301\u3059\u308b\u512a\u308c\u305f\u80fd\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p><h4 class=\"wp-block-heading\">D3\u30b9\u30fc\u30d1\u30fc\u30b9\u30c8\u30ec\u30f3\u30b0\u30b9\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h4><p class=\"wp-block-paragraph\">D3 \u92fc\u306e\u8d85\u5f37\u5ea6\u306f\u3001\u70ad\u7d20\u3068\u30af\u30ed\u30e0\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u3053\u3068\u304b\u3089\u751f\u307e\u308c\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u5de5\u5177\u7528\u9014\u306b\u304a\u3044\u3066\u9ad8\u3044\u8010\u6469\u8017\u6027\u3001\u976d\u6027\u3001\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">D3\u51b7\u9593\u52a0\u5de5\u92fc\u306e\u71b1\u51e6\u7406<\/h2><p class=\"wp-block-paragraph\">D3 \u92fc\u306e\u5834\u5408\u3001\u9069\u5207\u306a\u786c\u5ea6\u3001\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u9375\u306f\u71b1\u51e6\u7406\u3067\u3059\u3002\u9069\u5207\u306a\u713c\u920d\u3001\u713c\u304d\u623b\u3057\u3001\u786c\u5316\u306e\u624b\u9806\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u3072\u3073\u5272\u308c\u3084\u6b6a\u307f\u3092\u9632\u304e\u3001\u9ad8\u5fdc\u529b\u3001\u9ad8\u6469\u64e6\u306e\u7528\u9014\u3067\u92fc\u304c\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p class=\"wp-block-paragraph\">D3 \u92fc\u3092\u713c\u304d\u306a\u307e\u3059\u3068\u3001\u5185\u90e8\u5fdc\u529b\u304c\u7de9\u548c\u3055\u308c\u3001\u6a5f\u68b0\u52a0\u5de5\u3084\u51e6\u7406\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u92fc\u3092\u5236\u5fa1\u96f0\u56f2\u6c17\u7089\u3067 871\u00b0C (1,600\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u305d\u306e\u6e29\u5ea6\u3067 1 \uff5e 2 \u6642\u9593\u7dad\u6301\u3057\u307e\u3059\u3002\u5b8c\u4e86\u3057\u305f\u3089\u3001\u7089\u304c\u9ed2\u304f\u306a\u308b\u307e\u3067 1 \u6642\u9593\u3042\u305f\u308a -6\u00b0C (20\u00b0F) \u4ee5\u4e0b\u306e\u901f\u5ea6\u3067\u5f90\u3005\u306b\u51b7\u5374\u3057\u3001\u305d\u306e\u5f8c\u3001\u6750\u6599\u3092\u7a7a\u6c17\u4e2d\u3067\u51b7\u5374\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><strong>\u30d2\u30f3\u30c8:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>\u96f0\u56f2\u6c17\u5236\u5fa1\u7089\u3092\u4f7f\u7528\u3059\u308b<\/strong> \u6750\u6599\u7279\u6027\u3092\u52a3\u5316\u3055\u305b\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9178\u5316\u3092\u9632\u3050\u305f\u3081\u3067\u3059\u3002<\/li>\n\n<li><strong>\u3086\u3063\u304f\u308a\u51b7\u5374\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b<\/strong>\u2014 \u6b6a\u307f\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u6025\u304c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u5185\u90e8\u5fdc\u529b\u3084\u4e80\u88c2\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u6025\u901f\u51b7\u5374\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n<li><strong>\u30a2\u30cb\u30fc\u30eb\u5f8c\u691c\u67fb<\/strong>: \u51b7\u5374\u5f8c\u3001\u7279\u306b\u6025\u901f\u51b7\u5374\u306e\u5834\u5408\u306f\u3001\u6750\u6599\u306b\u3072\u3073\u5272\u308c\u3084\u6b20\u9665\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u76ee\u8996\u3067\u691c\u67fb\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u554f\u984c\u304c\u3042\u308c\u3070\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u3084\u308a\u76f4\u3059\u304b\u3001\u51b7\u5374\u901f\u5ea6\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">\u713c\u304d\u623b\u3057<\/h3><p class=\"wp-block-paragraph\">D3 \u92fc\u304c\u786c\u5316\u5f8c\u306b\u5ba4\u6e29\u307e\u3067\u51b7\u5374\u3055\u308c\u308b\u3068\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u713c\u304d\u623b\u3057\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u8106\u3055\u304c\u8efd\u6e1b\u3055\u308c\u3001\u786c\u5ea6\u304c\u5fae\u8abf\u6574\u3055\u308c\u3066\u3001\u5f37\u5ea6\u3068\u976d\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6700\u9069\u306b\u306a\u308a\u307e\u3059\u3002\u713c\u304d\u623b\u3057\u7089\u3067\u92fc\u3092\u52a0\u71b1\u3057\u3001\u3086\u3063\u304f\u308a\u3068\u6e29\u5ea6\u3092\u4e0a\u3052\u3066\u5e0c\u671b\u306e\u7bc4\u56f2 (\u901a\u5e38\u306f 200 \uff5e 300\u00b0C \u307e\u305f\u306f 390 \uff5e 570\u00b0F) \u306b\u3057\u307e\u3059\u3002\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u539a\u3055 1 \u30a4\u30f3\u30c1\u3042\u305f\u308a\u7d04 1 \u6642\u9593\u713c\u304d\u623b\u3057\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p class=\"wp-block-paragraph\"><strong>\u30d2\u30f3\u30c8:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>\u8907\u6570\u306e\u713c\u304d\u5165\u308c\u30b5\u30a4\u30af\u30eb<\/strong> \u7279\u306b\u539a\u3044\u90e8\u54c1\u3084\u5927\u304d\u306a\u90e8\u54c1\u306e\u5834\u5408\u3001\u6700\u9069\u306a\u786c\u5ea6\u3068\u976d\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u64cd\u4f5c\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n<li><strong>\u3086\u3063\u304f\u308a\u3068\u52a0\u71b1\u3059\u308b\u3053\u3068\u3067\u71b1\u30b9\u30c8\u30ec\u30b9\u3092\u56de\u907f\u3067\u304d\u308b <\/strong>\u92fc\u304c\u5747\u4e00\u306b\u52a0\u5de5\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u7a7a\u51b7\u3092\u53ef\u80fd\u306b\u3059\u308b<\/strong> \u3072\u3073\u5272\u308c\u3084\u786c\u5ea6\u306e\u4e0d\u5747\u4e00\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u713c\u304d\u623b\u3057\u5f8c\u306b\u6cb9\u3084\u6c34\u4e2d\u3067\u51b7\u5374\u3059\u308b\u3068\u71b1\u5fdc\u529b\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n<li><strong>\u713c\u304d\u623b\u3057\u5f8c\u306e\u786c\u5ea6\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\u786c\u5ea6\u8a08\u3092\u4f7f\u7528\u3057\u3066\u3001\u713c\u304d\u623b\u3057\u5f8c\u306b\u92fc\u304c\u76ee\u7684\u306e\u786c\u5ea6\u306b\u9054\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">\u786c\u5316<\/h3><p class=\"wp-block-paragraph\">D3 \u92fc\u306e\u713c\u304d\u5165\u308c\u306b\u3088\u308a\u3001\u512a\u308c\u305f\u976d\u6027\u3068\u8010\u6469\u8017\u6027\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u9069\u5207\u306b\u884c\u3046\u306b\u306f\u3001\u92fc\u3092 954\u00b0C (1,750\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u539a\u3055 1 \u30a4\u30f3\u30c1\u3054\u3068\u306b 5 \u5206\u305a\u3064\u8ffd\u52a0\u3057\u3066\u300120 \uff5e 25 \u5206\u9593\u6d78\u3057\u307e\u3059\u3002\u6d78\u3057\u305f\u5f8c\u3001\u92fc\u3092\u6cb9\u3067\u51b7\u5374\u3057\u3066\u5fc5\u8981\u306a\u786c\u5ea6\u306b\u9054\u3057\u307e\u3059\u3002D3 \u92fc\u306f\u904e\u71b1\u306b\u975e\u5e38\u306b\u5f31\u3044\u305f\u3081\u3001\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u904e\u71b1\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><strong>\u30d2\u30f3\u30c8:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>\u5747\u4e00\u306a\u52a0\u71b1\u3092\u78ba\u4fdd\u3059\u308b<\/strong> \u53cd\u308a\u3084\u4e0d\u5747\u4e00\u306a\u786c\u5316\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u92fc\u6750\u5168\u4f53\u306b\u308f\u305f\u3063\u3066\u52a0\u71b1\u3057\u307e\u3059\u3002\u90e8\u54c1\u3092\u6025\u901f\u307e\u305f\u306f\u4e0d\u5747\u4e00\u306b\u52a0\u71b1\u3059\u308b\u3068\u3001\u5185\u90e8\u5fdc\u529b\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n<li><strong>\u904e\u71b1\u3092\u907f\u3051\u308b<\/strong>\u20141,050\u00b0C (1,922\u00b0F) \u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3067\u306f\u7d50\u6676\u7c92\u306e\u6210\u9577\u304c\u8d77\u3053\u308a\u3001\u786c\u5ea6\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30aa\u30a4\u30eb\u6e29\u5ea6\u3092\u76e3\u8996\u3059\u308b<\/strong> \u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6cb9\u304c\u51b7\u305f\u3059\u304e\u308b\u3068\u3072\u3073\u5272\u308c\u306e\u539f\u56e0\u3068\u306a\u308a\u3001\u6cb9\u304c\u71b1\u3059\u304e\u308b\u3068\u8868\u9762\u304c\u67d4\u3089\u304b\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/li>\n\n<li><strong>\u713c\u5165\u308c\u5f8c\u306e\u30c1\u30a7\u30c3\u30af<\/strong>: \u713c\u304d\u5165\u308c\u5f8c\u3001\u6b6a\u307f\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b6a\u307f\u306b\u6c17\u4ed8\u3044\u305f\u5834\u5408\u306f\u3001\u92fc\u304c\u5747\u7b49\u306b\u52a0\u71b1\u3055\u308c\u3001\u713c\u304d\u5165\u308c\u6cb9\u304c\u9069\u5207\u306a\u6e29\u5ea6\u3067\u3042\u3063\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li><\/ul><p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u8a73\u7d30\u306a\u624b\u9806\u306b\u5f93\u3044\u3001\u8ffd\u52a0\u306e\u30d2\u30f3\u30c8\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3067\u3001D3 \u92fc\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3057\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u51b7\u9593\u52a0\u5de5\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">D3\u92fc\u306e\u540c\u7b49\u30b0\u30ec\u30fc\u30c9<\/h2><p class=\"wp-block-paragraph\">\u6b21\u306e\u8868\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u56fd\u969b\u898f\u683c\u306b\u5f93\u3063\u305f D3 \u92fc\u306e\u304a\u304a\u3088\u305d\u306e\u540c\u7b49\u30b0\u30ec\u30fc\u30c9\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u304a\u304a\u3088\u305d\u306e\u540c\u7b49\u30b0\u30ec\u30fc\u30c9\u3067\u3042\u308a\u3001\u6750\u6599\u7279\u6027\u306b\u82e5\u5e72\u306e\u9055\u3044\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002&nbsp;<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong><\/td><td><strong>\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb<\/strong><\/td><td><strong>DIN\uff08\u30c9\u30a4\u30c4\uff09<\/strong><\/td><td><strong>JIS\uff08\u65e5\u672c\uff09<\/strong><\/td><td><strong>BS\uff08\u82f1\u56fd\uff09<\/strong><\/td><td><strong>AFNOR\uff08\u30d5\u30e9\u30f3\u30b9\uff09<\/strong><\/td><td><strong>ISO<\/strong><\/td><\/tr><tr><td>\u30b0\u30ec\u30fc\u30c9<\/td><td>D3<\/td><td>1.208<\/td><td>SKD1<\/td><td>153CrMoV12 \u30af\u30ed\u30e0\u30e2\u30ea\u30d6\u30c7\u30f3<\/td><td>Z120CD12<\/td><td>1.208<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u5f0a\u793e\u304c\u63d0\u4f9b\u3059\u308b\u9069\u7528\u53ef\u80fd\u306a\u4ed5\u69d8\u3068\u5f62\u72b6<\/h2><p class=\"wp-block-paragraph\">\u5f53\u793e\u306fD3\u92fc\u3092\u4f9b\u7d66\u3057\u3066\u304a\u308a\u3001 <strong>ASTM A681<\/strong> \u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u516c\u8a8d\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u3001\u51b7\u9593\u52a0\u5de5\u5de5\u5177\u7528\u9014\u306e\u4e00\u8cab\u3057\u305f\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u70ad\u7d20\u3068\u30af\u30ed\u30e0\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u3053\u3068\u3067\u77e5\u3089\u308c\u308b D3 \u92fc\u306f\u3001\u512a\u308c\u305f\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u3001\u5bf8\u6cd5\u5b89\u5b9a\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7cbe\u5bc6\u5de5\u5177\u306e\u88fd\u9020\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u4ed5\u69d8:<\/p><ul class=\"wp-block-list\"><li><strong>\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb<\/strong>: D3<\/li>\n\n<li><strong>ASTM\u898f\u683c<\/strong>: ASTM A681<\/li><\/ul><p class=\"wp-block-paragraph\">\u5f53\u793e\u304c\u63d0\u4f9b\u3059\u308b\u5f62\u72b6:<\/p><p class=\"wp-block-paragraph\">\u5f53\u793e\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u72ec\u81ea\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u3068\u5bf8\u6cd5\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><ol class=\"wp-block-list\"><li><strong>D3\u92fc\u677f<\/strong> \u2013 \u30c0\u30a4\u30ab\u30c3\u30c8\u3001\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u3001\u6210\u5f62\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n<li><strong>D3\u92fc\u677f<\/strong> \u2013 \u5927\u578b\u306e\u5de5\u5177\u3084\u91d1\u578b\u306e\u88fd\u9020\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u5f37\u5ea6\u3068\u8010\u4e45\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>D3 \u30b9\u30c1\u30fc\u30eb\u30d0\u30fc<\/strong> \u2013 \u30ab\u30b9\u30bf\u30e0\u90e8\u54c1\u3078\u306e\u52a0\u5de5\u7528\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u76f4\u5f84\u3068\u9577\u3055\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li><strong>D3 \u30b9\u30c1\u30fc\u30eb\u30d6\u30e9\u30f3\u30af<\/strong> \u2013 \u5de5\u5177\u3078\u306e\u3055\u3089\u306a\u308b\u52a0\u5de5\u306b\u6700\u9069\u306a\u534a\u88fd\u54c1\u3002<\/li>\n\n<li><strong>D3 \u92fc\u935b\u9020\u54c1<\/strong> \u2013 \u8ffd\u52a0\u306e\u5f37\u5ea6\u3092\u5fc5\u8981\u3068\u3059\u308b\u8907\u96d1\u306a\u30c4\u30fc\u30eb\u3084\u5927\u578b\u306e\u30c4\u30fc\u30eb\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30ab\u30b9\u30bf\u30e0\u935b\u9020\u5f62\u72b6\u3002<\/li>\n\n<li><strong>D3 \u92fc\u51b7\u9593\u4ed5\u4e0a\u3052\u30d0\u30fc<\/strong> \u2013 \u53b3\u5bc6\u306a\u8a31\u5bb9\u5dee\u3068\u512a\u308c\u305f\u5bf8\u6cd5\u7cbe\u5ea6\u3092\u5b9f\u73fe\u3059\u308b\u7cbe\u5bc6\u6a5f\u68b0\u52a0\u5de5\u30d0\u30fc\u3002<\/li><\/ol><p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u5404\u5f62\u72b6\u306f\u3001\u51b7\u9593\u52a0\u5de5\u5de5\u5177\u7528\u9014\u306b\u6c42\u3081\u3089\u308c\u308b\u53b3\u683c\u306a\u57fa\u6e96\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u52a0\u5de5\u3055\u308c\u3066\u304a\u308a\u3001\u81ea\u52d5\u8eca\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u91cd\u6a5f\u306a\u3069\u306e\u8981\u6c42\u306e\u53b3\u3057\u3044\u696d\u754c\u3067\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><h4 class=\"wp-block-heading\">D2 \u92fc\u3068 D3 \u92fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h4><p class=\"wp-block-paragraph\"><a href=\"https:\/\/steelprogroup.com\/ja\/tool-steel\/cr12mov\/\">D2\u92fc<\/a> \u306f\u8010\u6469\u8017\u6027\u304c\u9ad8\u304f\u3001\u6469\u8017\u306e\u6fc0\u3057\u3044\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001D3 \u306f\u976d\u6027\u304c\u512a\u308c\u3066\u304a\u308a\u3001\u5272\u308c\u306b\u5f37\u3044\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">D3\u51b7\u9593\u5de5\u5177\u92fc\u306e\u7528\u9014<\/h2><p class=\"wp-block-paragraph\">D3 \u51b7\u9593\u5de5\u5177\u92fc\u306f\u3001\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3001\u786c\u5ea6\u3001\u5bf8\u6cd5\u5b89\u5b9a\u6027\u304c\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u304a\u308a\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">1. \u30c0\u30a4\u30ab\u30b9\u30c8\u304a\u3088\u3073\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u30c4\u30fc\u30eb<\/h3><p class=\"wp-block-paragraph\">\u30c0\u30a4\u30d6\u30e9\u30f3\u30af\u3001\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u30c0\u30a4\u3001\u30d6\u30e9\u30f3\u30ad\u30f3\u30b0\u30c0\u30a4\u3001\u30d4\u30a2\u30b7\u30f3\u30b0\u30c0\u30a4\u3001\u30d5\u30a9\u30fc\u30df\u30f3\u30b0\u30c0\u30a4<\/p><h3 class=\"wp-block-heading\">2. \u51b7\u9593\u6210\u5f62\u5de5\u5177<\/h3><p class=\"wp-block-paragraph\">\u51b7\u9593\u5727\u9020\u7528\u30d1\u30f3\u30c1\u3001\u30c0\u30a4\u30b9\u3001\u30d6\u30e9\u30f3\u30ad\u30f3\u30b0\u3001\u30d4\u30a2\u30b7\u30f3\u30b0\u3001\u62bc\u3057\u51fa\u3057\u30c0\u30a4\u30b9\u3001\u6210\u5f62\u30ed\u30fc\u30eb<\/p><h3 class=\"wp-block-heading\">3. \u305b\u3093\u65ad\u304a\u3088\u3073\u5207\u65ad\u5de5\u5177<\/h3><p class=\"wp-block-paragraph\">\u305b\u3093\u65ad\u5203\u3001\u30b9\u30ea\u30c3\u30bf\u30fc\u30ca\u30a4\u30d5\u3001\u30c8\u30ea\u30e0\u30c0\u30a4\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u30c0\u30a4\u3001\u30b9\u30ea\u30c3\u30c8\u7528\u30ca\u30a4\u30d5<\/p><h3 class=\"wp-block-heading\">4. \u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b<\/h3><p class=\"wp-block-paragraph\">\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u3001\u5727\u7e2e\u6210\u5f62\u91d1\u578b\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u6210\u5f62\u91d1\u578b\u3001\u30ce\u30ba\u30eb\u3001\u30b9\u30af\u30ea\u30e5\u30fc\u30c1\u30c3\u30d7<\/p><h3 class=\"wp-block-heading\">5. \u822a\u7a7a\u5b87\u5b99\u304a\u3088\u3073\u81ea\u52d5\u8eca\u7523\u696d\u5411\u3051\u30c4\u30fc\u30eb<\/h3><p class=\"wp-block-paragraph\">\u81ea\u52d5\u8eca\u7528\u5de5\u5177\u3001\u822a\u7a7a\u5b87\u5b99\u7528\u91d1\u578b\u3001\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u91d1\u578b\u3001\u30d1\u30f3\u30c1\u30d7\u30ec\u30b9\u5de5\u5177<\/p><h3 class=\"wp-block-heading\">6. \u305d\u306e\u4ed6\u306e\u7279\u6b8a\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3><p class=\"wp-block-paragraph\">\u6728\u5de5\u7528\u30ca\u30a4\u30d5\u304a\u3088\u3073\u30d6\u30ec\u30fc\u30c9\u3001\u9271\u696d\u7528\u6469\u8017\u30a4\u30f3\u30b5\u30fc\u30c8\u3001\u7c89\u672b\u5727\u7e2e\u30c0\u30a4\u3001\u5727\u7e2e\u30d4\u30f3\u3001\u30da\u30ec\u30bf\u30a4\u30b6\u30fc\u30d6\u30ec\u30fc\u30c9<\/p><h2 class=\"wp-block-heading\">D3 \u51b7\u9593\u5de5\u5177\u92fc\u30e1\u30fc\u30ab\u30fc<\/h2><p class=\"wp-block-paragraph\">D3 \u51b7\u9593\u5de5\u5177\u92fc\u306f\u3001\u9ad8\u70ad\u7d20\u3001\u9ad8\u30af\u30ed\u30e0\u306e\u6750\u6599\u3067\u3001\u512a\u308c\u305f\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u3001\u8010\u4e45\u6027\u3067\u77e5\u3089\u308c\u3001\u4e3b\u306b\u30c0\u30a4\u3001\u30d1\u30f3\u30c1\u3001\u305d\u306e\u4ed6\u306e\u51b7\u9593\u5de5\u5177\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u72ec\u81ea\u306e\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9\u3068\u9ad8\u54c1\u8cea\u306e\u8868\u9762\u51e6\u7406\u3092\u65bd\u3057\u305f D3 \u51b7\u9593\u5de5\u5177\u92fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e D3 \u5de5\u5177\u92fc\u306f\u3001\u713c\u304d\u306a\u307e\u3057\u72b6\u614b\u3060\u3051\u3067\u306a\u304f\u3001\u786c\u5316\u304a\u3088\u3073\u713c\u304d\u623b\u3057\u72b6\u614b\u3067\u3082\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u6700\u3082\u53b3\u3057\u3044\u5de5\u5177\u306e\u8981\u6c42\u3092\u6e80\u305f\u3059\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>D3 \u92fc\u306f\u3001\u51b7\u9593\u5de5\u5177\u92fc\u30b0\u30eb\u30fc\u30d7\u306e\u30c8\u30c3\u30d7 \u30c1\u30e7\u30a4\u30b9\u3067\u3042\u308a\u3001\u305d\u306e\u512a\u308c\u305f\u786c\u5ea6\u3001\u8010\u4e45\u6027\u3001[\u2026]<\/p>","protected":false},"author":1,"featured_media":19862,"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 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