{"id":19838,"date":"2024-12-12T11:27:00","date_gmt":"2024-12-12T03:27:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19838"},"modified":"2025-01-09T16:51:53","modified_gmt":"2025-01-09T08:51:53","slug":"a2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/grades\/a2\/","title":{"rendered":"A2 \u5de5\u5177\u92fc: \u7279\u6027\u3001\u7528\u9014\u3001D2 \u5de5\u5177\u92fc\u3068\u306e\u6bd4\u8f03"},"content":{"rendered":"<h2 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p class=\"wp-block-paragraph\">A2 \u5de5\u5177\u92fc\u306f\u3001\u51b7\u9593\u5de5\u5177\u92fc\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5c5e\u3059\u308b\u4e2d\u70ad\u7d20\u30af\u30ed\u30e0\u5408\u91d1\u92fc\u3067\u3059\u3002\u7a7a\u6c17\u786c\u5316\u7279\u6027\u304c\u3042\u308a\u3001\u6cb9\u3084\u6c34\u4e2d\u3067\u713c\u5165\u308c\u3057\u306a\u304f\u3066\u3082\u5b8c\u5168\u306a\u786c\u5ea6 (57\uff5e62 HRC) \u306b\u9054\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30025% \u306e\u30af\u30ed\u30e0\u542b\u6709\u91cf\u3092\u6301\u3064\u3053\u306e\u92fc\u306f\u3001\u976d\u6027\u3068\u8010\u6469\u8017\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u512a\u308c\u3066\u304a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u306f\u3001\u512a\u308c\u305f\u8010\u4e45\u6027\u3068\u52a0\u5de5\u306e\u3057\u3084\u3059\u3055\u3092\u5099\u3048\u305f A2 \u92fc\u306e\u63d0\u4f9b\u3092\u5c02\u9580\u3068\u3057\u3066\u3044\u307e\u3059\u3002O1 \u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001A2 \u306f\u8010\u6469\u8017\u6027\u3068\u976d\u6027\u306b\u512a\u308c\u3001\u3088\u308a\u786c\u3044 D2 \u5de5\u5177\u92fc\u3088\u308a\u3082\u52a0\u5de5\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/p><h3 class=\"wp-block-heading\">A2 \u5de5\u5177\u92fc\u3068\u540c\u7b49\u306e\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/h3><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u56fd\u969b\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30b0\u30ed\u30fc\u30d0\u30eb\u88fd\u9020\u65b9\u6cd5\u3068\u306e\u4e92\u63db\u6027\u3092\u4fdd\u8a3c\u3059\u308b A2 \u5de5\u5177\u92fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001A2 \u5de5\u5177\u92fc\u306e\u4e00\u822c\u7684\u306a\u540c\u7b49\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">1. DIN\uff08\u30c9\u30a4\u30c4\uff09\uff1a1.2363<\/p><p class=\"wp-block-paragraph\">2. JIS\uff08\u65e5\u672c\uff09\uff1aSKD12<\/p><p class=\"wp-block-paragraph\">3. EN\uff08\u6b27\u5dde\u898f\u683c\uff09\uff1aX153CrMoV12<\/p><p class=\"wp-block-paragraph\">4. BS\uff08\u82f1\u56fd\u898f\u683c\uff09\uff1aBS 4659\uff08\u30b0\u30ec\u30fc\u30c91\uff09<\/p><p class=\"wp-block-paragraph\">5. AFNOR\uff08\u30d5\u30e9\u30f3\u30b9\uff09\uff1aZ40CDV5<\/p><p class=\"wp-block-paragraph\">6. UNS\uff08\u30a2\u30e1\u30ea\u30ab\uff09\uff1aT30102<\/p><h2 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u7279\u6027<\/h2><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001A2 \u5de5\u5177\u92fc\u306e\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u3001\u88fd\u54c1\u306e\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3059\u308b\u9375\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e A2 \u92fc\u306f\u3001\u6700\u9ad8\u6c34\u6e96\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u5de5\u5177\u88fd\u9020\u304b\u3089\u7cbe\u5bc6\u90e8\u54c1\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u7523\u696d\u7528\u9014\u3067\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u4e3b\u306a\u7279\u5fb4<\/h3><ul class=\"wp-block-list\"><li>\u9ad8\u786c\u5ea6\u30fb\u8010\u6469\u8017\u6027\uff1a\u71b1\u51e6\u7406\u5f8c\u306e\u786c\u5ea6\u306f57\uff5e62HRC\u306b\u9054\u3057\u3001\u9ad8\u70ad\u7d20\u30fb\u9ad8\u30af\u30ed\u30e0\u6210\u5206\u306b\u3088\u308a\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li>\u976d\u6027\u304c\u826f\u597d\uff1a\u885d\u6483\u3084\u66f2\u3052\u3092\u53d7\u3051\u3066\u3082\u7834\u640d\u3057\u306b\u304f\u304f\u3001\u5927\u304d\u306a\u885d\u6483\u529b\u306b\u8010\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u91d1\u578b\u3084\u5de5\u5177\u306e\u88fd\u9020\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li>\u512a\u308c\u305f\u713c\u5165\u308c\u6027\uff1a\u70ad\u5316\u7269\u304c\u5747\u4e00\u306b\u5206\u6563\u3055\u308c\u3001\u713c\u5165\u308c\u5f8c\u306e\u65ad\u9762\u5168\u4f53\u306e\u786c\u5ea6\u304c\u4e00\u5b9a\u306b\u306a\u308a\u3001\u5168\u4f53\u7684\u306a\u6027\u80fd\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u5bf8\u6cd5\u5b89\u5b9a\u6027\uff1a\u71b1\u51e6\u7406\u5f8c\u306e\u5bf8\u6cd5\u5909\u5316\u304c\u5c0f\u3055\u304f\u3001\u9ad8\u7cbe\u5ea6\u306e\u91d1\u578b\u3084\u5de5\u5177\u306e\u88fd\u9020\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li>\u52a0\u5de5\u3068\u7814\u78e8\u304c\u7c21\u5358\uff1a\u65cb\u524a\u3001\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u3001\u7a74\u3042\u3051\u3001\u7814\u524a\u304c\u53ef\u80fd\u3067\u3001\u7814\u78e8\u5f8c\u306e\u8868\u9762\u306f\u6ed1\u3089\u304b\u3067\u3059\u3002<\/li>\n\n<li>\u9ad8\u6e29\u786c\u5ea6\u4fdd\u6301\uff1a\u9ad8\u6e29\u3067\u3082\u786c\u5ea6\u304c\u9ad8\u304f\u3001\u9ad8\u6e29\u5207\u65ad\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u5316\u5b66\u7d44\u6210<\/h3><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u5408\u91d1\u5143\u7d20\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u3001A2 \u92fc\u304c\u6700\u9069\u306a\u54c1\u8cea\u3092\u7dad\u6301\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td>\u30a8\u30ec\u30e1\u30f3\u30c8<\/td><td>\u30d1\u30fc\u30bb\u30f3\u30c8\uff08%\uff09<\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>1.00%<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>0.75%<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.30%<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>5.00%<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>1.00%<\/td><\/tr><tr><td>\u30d0\u30ca\u30b8\u30a6\u30e0 (V)<\/td><td>0.25%<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>0.30% \u6700\u5927<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>0.03% \u6700\u5927<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>0.03% \u6700\u5927<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">\u30af\u30ed\u30e0\u542b\u6709\u91cf\u304c\u591a\u3044 (5%) \u305f\u3081\u3001\u786c\u5316\u6027\u3068\u8010\u6469\u8017\u6027\u304c\u5411\u4e0a\u3057\u3001\u30e2\u30ea\u30d6\u30c7\u30f3 (1%) \u306b\u3088\u308a\u976d\u6027\u3068\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u30d0\u30ca\u30b8\u30a6\u30e0\u306f\u92fc\u306e\u8010\u6469\u8017\u6027\u3068\u5909\u5f62\u6027\u3092\u9ad8\u3081\u3001\u7523\u696d\u6d3b\u52d5\u306b\u5fc5\u8981\u306a\u4e00\u8cab\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u6a5f\u68b0\u7684\u6027\u8cea<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>\u30d7\u30ed\u30d1\u30c6\u30a3<\/td><td>\u4fa1\u5024<\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>170,000 \u2013 220,000 psi (1170 \u2013 1517 MPa)<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>160,000 psi (1100 MPa)<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u30ed\u30c3\u30af\u30a6\u30a7\u30ebC\uff09<\/td><td>57-62 HR<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>30 x 10\u2076 psi (207 GPa)<\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.3<\/td><\/tr><tr><td>\u52a0\u5de5\u6027<\/td><td>70% 1% \u70ad\u7d20\u92fc<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027<\/td><td>\u5ba4\u6e29\u306720\uff5e25\u30d5\u30a3\u30fc\u30c8\u30dd\u30f3\u30c9<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>\u30d7\u30ed\u30d1\u30c6\u30a3<\/td><td>\u4fa1\u5024<\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>0.284 \u30dd\u30f3\u30c9\/\u7acb\u65b9\u30a4\u30f3\u30c1 (7861 kg\/\u7acb\u65b9\u30e1\u30fc\u30c8\u30eb)<\/td><\/tr><tr><td>\u6bd4\u91cd<\/td><td>7.86<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>21.7 W\/m\u00b7K\uff08100\u00b0C\u6642\uff09<\/td><\/tr><tr><td>\u71b1\u81a8\u5f35<\/td><td>12.5 \u00b5m\/m\u00b7K (20\uff5e100\u00b0C)<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>207GPa<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u71b1\u51e6\u7406<\/h2><p class=\"wp-block-paragraph\">\u71b1\u51e6\u7406\u306f A2 \u5de5\u5177\u92fc\u306e\u7279\u6027\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3042\u308a\u3001\u5f53\u793e\u306e\u9ad8\u5ea6\u306a\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u3042\u3089\u3086\u308b\u5de5\u5177\u306e\u30cb\u30fc\u30ba\u306b\u5fc5\u8981\u306a\u786c\u5ea6\u3001\u8010\u4e45\u6027\u3001\u5bff\u547d\u3092\u5b9f\u73fe\u3059\u308b\u3088\u3046\u306b\u614e\u91cd\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u5fdc\u529b\u7de9\u548c: A2 \u3092 1100 \uff5e 1200\u00b0F (593 \uff5e 649\u00b0C) \u3067 1 \u6642\u9593\u52a0\u71b1\u3057\u3066\u5185\u90e8\u5fdc\u529b\u3092\u8efd\u6e1b\u3057\u3001\u51e6\u7406\u306e\u5f8c\u306e\u6bb5\u968e\u3067\u306e\u5b89\u5b9a\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/li>\n\n<li>\u713c\u304d\u306a\u307e\u3057: A2 \u306f 1550 \uff5e 1600\u00b0F (843 \uff5e 871\u00b0C) \u306b\u52a0\u71b1\u3055\u308c\u30011000\u00b0F (538\u00b0C) \u307e\u3067\u3086\u3063\u304f\u308a\u51b7\u5374\u3055\u308c\u3001\u6750\u6599\u304c\u67d4\u3089\u304b\u304f\u306a\u3063\u3066\u6a5f\u68b0\u52a0\u5de5\u3084\u6210\u5f62\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n<li>\u786c\u5316: A2 \u306f 1750 \uff5e 1850\u00b0F (954 \uff5e 1010\u00b0C) \u306b\u52a0\u71b1\u3055\u308c\u3001\u7a7a\u6c17\u4e2d\u3067\u6025\u51b7\u3055\u308c\u3066\u3001\u5fc5\u8981\u306a\u786c\u5ea6\u304c\u9054\u6210\u3055\u308c\u3001\u6b6a\u307f\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n\n<li>\u713c\u304d\u623b\u3057: \u786c\u5316\u5f8c\u3001A2 \u3092 400 \uff5e 1100\u00b0F (204 \uff5e 593\u00b0C) \u3067\u713c\u304d\u623b\u3057\u3001\u5fdc\u529b\u3092\u7de9\u548c\u3057\u3066\u976d\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n<li>\u713c\u5165\u308c: A2 \u306e\u5834\u5408\u3001\u7a7a\u6c17\u786c\u5316\u92fc\u3067\u3042\u308b\u305f\u3081\u3001\u6c34\u3084\u6cb9\u306b\u3088\u308b\u713c\u5165\u308c\u306b\u6bd4\u3079\u3066\u6b6a\u307f\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u713c\u5165\u308c\u306f\u901a\u5e38\u7a7a\u6c17\u4e2d\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/li>\n\n<li>\u7a92\u5316\u51e6\u7406: \u7a92\u5316\u51e6\u7406\u306b\u3088\u308a\u8868\u9762\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u3001\u75b2\u52b4\u5f37\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u306b\u304a\u3051\u308b\u92fc\u306e\u6027\u80fd\u3092\u9ad8\u3081\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u6a5f\u68b0\u52a0\u5de5<\/h2><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u6700\u65b0\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u6d3b\u7528\u3057\u3066\u3001\u6700\u5c0f\u9650\u306e\u52b4\u529b\u3067\u6700\u5927\u9650\u306e\u52b9\u7387\u3067 A2 \u5de5\u5177\u92fc\u3092\u52a0\u5de5\u3057\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u6eb6\u63a5: A2 \u92fc\u306f\u9069\u5207\u306a\u6280\u8853\u3068\u4e88\u71b1\u3092\u4f7f\u7528\u3057\u3066\u6eb6\u63a5\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3072\u3073\u5272\u308c\u306e\u539f\u56e0\u3068\u306a\u308b\u5fdc\u529b\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406 (\u5fdc\u529b\u7de9\u548c) \u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/li>\n\n<li>\u6eb6\u89e3: \u6b63\u78ba\u306a\u6e29\u5ea6\u5236\u5fa1\u3092\u7dad\u6301\u3057\u3001\u5408\u91d1\u306e\u7279\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u7089\u307e\u305f\u306f\u8a98\u5c0e\u7089\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u8868\u9762\u51e6\u7406:\u8010\u6469\u8017\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001A2 \u306f\u7a92\u5316\u306a\u3069\u306e\u8868\u9762\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u304c\u3067\u304d\u3001\u786c\u5ea6\u3068\u75b2\u52b4\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306e\u9577\u6240\u3068\u77ed\u6240<\/h2><h3 class=\"wp-block-heading\">\u5229\u70b9:<\/h3><ul class=\"wp-block-list\"><li>\u512a\u308c\u305f\u8010\u6469\u8017\u6027: A2 \u5de5\u5177\u92fc\u306f\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3092\u8a87\u308a\u3001\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u91d1\u578b\u3084\u5207\u524a\u5de5\u5177\u306a\u3069\u3001\u6469\u8017\u304c\u6fc0\u3057\u3044\u7523\u696d\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n<li>\u512a\u308c\u305f\u976d\u6027: \u4ed6\u306e\u9ad8\u786c\u5ea6\u5de5\u5177\u92fc\u3068\u6bd4\u8f03\u3057\u3066\u3001A2 \u306f\u512a\u308c\u305f\u786c\u5ea6\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u512a\u308c\u305f\u976d\u6027\u3068\u8010\u885d\u6483\u6027\u3092\u63d0\u4f9b\u3057\u3001\u7834\u640d\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u512a\u308c\u305f\u52a0\u5de5\u6027\u80fd: A2 \u92fc\u306f\u6bd4\u8f03\u7684\u512a\u308c\u305f\u52a0\u5de5\u6027\u80fd\u3092\u6301\u3061\u3001\u65cb\u524a\u3084\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3001\u7cbe\u5bc6\u52a0\u5de5\u306e\u30cb\u30fc\u30ba\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li>\u81ea\u5df1\u786c\u5316\u6027: A2 \u92fc\u306f\u7a7a\u6c17\u786c\u5316\u7279\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u6cb9\u3084\u6c34\u306b\u3088\u308b\u713c\u5165\u308c\u306a\u3057\u3067\u5fc5\u8981\u306a\u786c\u5ea6\u3092\u9054\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u713c\u5165\u308c\u6642\u306e\u5909\u5f62\u306e\u554f\u984c\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n\n<li>\u9ad8\u3044\u71b1\u5b89\u5b9a\u6027\uff1a\u5f37\u529b\u306a\u71b1\u5b89\u5b9a\u6027\u3092\u6301\u3061\u3001\u9ad8\u6e29\u306e\u4f5c\u696d\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">\u30c7\u30e1\u30ea\u30c3\u30c8:<\/h3><p class=\"wp-block-paragraph\"><strong>\u8010\u8150\u98df\u6027\u304c\u6bd4\u8f03\u7684\u4f4e\u3044\uff1a <\/strong>A2 \u92fc\u306b\u306f\u8010\u98df\u6027\u306e\u305f\u3081\u306b\u30af\u30ed\u30e0\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u70b9\u3067\u306e\u6027\u80fd\u306f\u3001\u30af\u30ed\u30e0\u542b\u6709\u91cf\u304c\u591a\u3044 D2 \u306a\u3069\u306e\u92fc\u3088\u308a\u3082\u52a3\u308a\u307e\u3059\u3002SteelPRO Group \u306f\u3001\u8868\u9762\u51e6\u7406\u3092\u542b\u3080\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3001\u3053\u306e\u6b20\u70b9\u3092\u8efd\u6e1b\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8010\u98df\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><strong>\u786c\u5ea6\u4e0b\u9650:<\/strong> A2 \u92fc\u306e\u786c\u5ea6\u306f 57 \uff5e 62 HRC \u3067\u3059\u304c\u3001D2 \u306a\u3069\u306e\u92fc\u30b0\u30ec\u30fc\u30c9 (\u786c\u5ea6\u306f 64 HRC \u306b\u9054\u3059\u308b) \u3088\u308a\u3082\u308f\u305a\u304b\u306b\u4f4e\u304f\u3001\u975e\u5e38\u306b\u9ad8\u3044\u8010\u6469\u8017\u6027\u304c\u8981\u6c42\u3055\u308c\u308b\u7528\u9014\u306b\u306f\u9069\u3055\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><strong>\u9ad8\u3044\u71b1\u51e6\u7406\u8981\u4ef6:<\/strong> A2 \u5de5\u5177\u92fc\u3067\u6700\u9069\u306a\u786c\u5ea6\u3068\u976d\u6027\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u7cbe\u5bc6\u306a\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002SteelPRO Group \u306f\u3001\u9ad8\u5ea6\u306a\u71b1\u51e6\u7406\u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3001A2 \u92fc\u306e\u6f5c\u5728\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3057\u3001\u6700\u9069\u3067\u306f\u306a\u3044\u786c\u5ea6\u3084\u976d\u6027\u306e\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">A2 \u5de5\u5177\u92fc\u306e\u7528\u9014<\/h2><p class=\"wp-block-paragraph\">\u5f53\u793e\u306e\u5c02\u9580\u30c1\u30fc\u30e0\u306f\u3001A2 \u92fc\u304c\u5404\u7528\u9014\u306e\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u3001\u512a\u308c\u305f\u6027\u80fd\u3068\u9577\u671f\u7684\u306a\u8010\u4e45\u6027\u3092\u5b9f\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002A2 \u5de5\u5177\u92fc\u306e\u4e00\u822c\u7684\u306a\u7528\u9014\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u30d1\u30f3\u30c1\u3068\u30c0\u30a4: \u30d6\u30e9\u30f3\u30ad\u30f3\u30b0\u3001\u30d5\u30a9\u30fc\u30df\u30f3\u30b0\u3001\u30c8\u30ea\u30df\u30f3\u30b0\u30c0\u30a4\u3001\u30b3\u30a4\u30cb\u30f3\u30b0\u30c0\u30a4\u3001\u304a\u3088\u3073\u30b9\u30ec\u30c3\u30c9\u30ed\u30fc\u30e9\u30fc\u30c0\u30a4\u3002<\/li>\n\n<li>\u5207\u524a\u5de5\u5177: \u51b7\u9593\u6210\u5f62\u5de5\u5177\u3001\u30b9\u30d4\u30f3\u30c9\u30eb\u3001\u305b\u3093\u65ad\u5203\u3001\u30b9\u30ea\u30c3\u30bf\u30fc\u5203\u3002<\/li>\n\n<li>\u91d1\u578b\u3068\u30b2\u30fc\u30b8: \u30d6\u30ed\u30c3\u30af\u30b2\u30fc\u30b8\u3001\u30ea\u30f3\u30b0\u30b2\u30fc\u30b8\u3001\u30d1\u30f3\u30c1\u30d7\u30ec\u30fc\u30c8\u3001\u30ea\u30fc\u30de\u30fc\u3002<\/li>\n\n<li>\u5de5\u696d\u7528\u5de5\u5177: \u30cf\u30f3\u30de\u30fc\u3001\u5de5\u696d\u7528\u30ca\u30a4\u30d5\u3001\u30ed\u30fc\u30ec\u30c3\u30c8\u3001\u30ed\u30fc\u30ec\u30c3\u30c8\u52a0\u5de5\u5de5\u5177\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">A2\u5de5\u5177\u92fc\u306f\u30ca\u30a4\u30d5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304b?<\/h3><p class=\"wp-block-paragraph\">\u306f\u3044\u3001A2 \u5de5\u5177\u92fc\u306f\u9ad8\u6027\u80fd\u30ca\u30a4\u30d5\u3001\u7279\u306b\u976d\u6027\u3068\u5203\u6301\u3061\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6c42\u3081\u3089\u308c\u308b\u30ca\u30a4\u30d5\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002A2 \u306f\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3001\u786c\u5ea6 (57\uff5e62 HRC) \u3082\u512a\u308c\u3066\u304a\u308a\u3001\u904e\u9177\u306a\u6761\u4ef6\u4e0b\u3067\u3082\u5203\u5148\u304c\u9577\u6301\u3061\u3057\u307e\u3059\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001\u30ca\u30a4\u30d5\u7528\u306e A2 \u92fc\u304c\u7279\u5b9a\u306e\u786c\u5ea6\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u51e6\u7406\u3055\u308c\u3001\u976d\u6027\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u5f37\u5ea6\u304c\u5f97\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001A2 \u306e\u786c\u5ea6\u306f D2 \u3088\u308a\u308f\u305a\u304b\u306b\u4f4e\u3044\u305f\u3081\u3001\u4e08\u592b\u3067\u9ad8\u6027\u80fd\u306a\u30ca\u30a4\u30d5\u3067\u306f\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u304c\u3001\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u5203\u5148\u3092\u6975\u5ea6\u306b\u4fdd\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30ca\u30a4\u30d5\u306b\u306f\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">A2 \u5de5\u5177\u92fc\u3068 D2 \u5de5\u5177\u92fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h2><p class=\"wp-block-paragraph\">A2 \u3068 D2 \u306f\u3069\u3061\u3089\u3082\u9ad8\u6027\u80fd\u5de5\u5177\u92fc\u3067\u3059\u304c\u3001\u7d44\u6210\u3068\u6027\u80fd\u7279\u6027\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u786c\u5ea6: SteelPRO \u30b0\u30eb\u30fc\u30d7\u3067\u306f\u3001D2 \u92fc\u3068 A2 \u92fc\u306e\u4e21\u65b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002D2 \u92fc\u306f\u901a\u5e38\u3001A2 \u92fc (57-62 HRC) \u306b\u6bd4\u3079\u3066\u786c\u5ea6\u7bc4\u56f2\u304c\u9ad8\u304f (58-64 HRC)\u3001\u304a\u5ba2\u69d8\u306e\u786c\u5ea6\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u6700\u9069\u306a\u6750\u6599\u3092\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u8010\u6469\u8017\u6027: D2 \u306f\u70ad\u7d20\u3068\u30af\u30ed\u30e0\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3092\u8a87\u308a\u307e\u3059\u304c\u3001A2 \u306f\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306b\u9069\u3057\u305f\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u52a0\u5de5\u6027: A2 \u306f D2 \u306b\u6bd4\u3079\u3066\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3059\u3002<\/li>\n\n<li>\u976d\u6027: A2 \u306f D2 \u3088\u308a\u3082\u976d\u6027\u304c\u9ad8\u304f\u3001\u8106\u3055\u3082\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n\n<li>D2 \u306f\u9ad8\u3044\u8010\u6469\u8017\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u304c\u3001\u30d1\u30f3\u30c1\u3084\u30c0\u30a4\u306a\u3069\u3001\u885d\u6483\u3068\u6469\u8017\u306e\u4e21\u65b9\u306b\u8010\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c4\u30fc\u30eb\u306b\u306f A2 \u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">A2 \u5de5\u5177\u92fc\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc: SteelPRO Group<\/h2><p class=\"wp-block-paragraph\">\u5f53\u793e\u306e A2 \u5de5\u5177\u92fc\u306f\u56fd\u969b\u57fa\u6e96\u306b\u5f93\u3063\u3066\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001\u88fd\u9020\u4e2d\u306b\u671f\u5f85\u3069\u304a\u308a\u306b\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u53b3\u683c\u306a\u54c1\u8cea\u7ba1\u7406\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e\u5bf8\u6cd5\u3084\u30ab\u30b9\u30bf\u30e0\u51e6\u7406\u304c\u5fc5\u8981\u306a\u5834\u5408\u3067\u3082\u3001\u5f53\u793e\u306f\u304a\u5ba2\u69d8\u306e\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u304a\u5fdc\u3048\u3057\u307e\u3059\u3002SteelPRO Group \u306e\u30c1\u30fc\u30e0\u306f\u3001\u9069\u5207\u306a\u5de5\u5177\u92fc\u306e\u9078\u629e\u304b\u3089\u30bf\u30a4\u30e0\u30ea\u30fc\u306a\u7d0d\u54c1\u306e\u4fdd\u8a3c\u307e\u3067\u3001\u304a\u5ba2\u69d8\u306e\u30d3\u30b8\u30cd\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A2 \u5de5\u5177\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b? A2 \u5de5\u5177\u92fc\u306f\u3001\u4e2d\u70ad\u7d20\u30af\u30ed\u30e0\u5408\u91d1\u92fc\u3067\u3001[\u2026] \u30b0\u30eb\u30fc\u30d7\u306b\u5c5e\u3057\u307e\u3059\u3002<\/p>","protected":false},"author":12,"featured_media":19828,"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-19838","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\/19838","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=19838"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/19838\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/19828"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=19838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=19838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=19838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}