{"id":20268,"date":"2025-01-10T05:52:00","date_gmt":"2025-01-09T21:52:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20268"},"modified":"2025-01-09T16:34:18","modified_gmt":"2025-01-09T08:34:18","slug":"s7-vs-4140","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/comparison\/s7-vs-4140\/","title":{"rendered":"S7 \u5de5\u5177\u92fc\u3068 4140: \u6bd4\u8f03\u3068\u7528\u9014"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u305f S7 \u5de5\u5177\u92fc\u306f\u3001\u9ad8\u70ad\u7d20\u3001\u9ad8\u30af\u30ed\u30e0\u5408\u91d1\u3067\u3001\u5207\u524a\u5de5\u5177\u3084\u91d1\u578b\u306a\u3069\u3001\u92ed\u5229\u306a\u5203\u5148\u3092\u5fc5\u8981\u3068\u3059\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u4e00\u65b9\u3001\u30af\u30ed\u30e0\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u306e 4140 \u5408\u91d1\u92fc\u306f\u3001\u30ae\u30a2\u3084\u69cb\u9020\u90e8\u54c1\u306a\u3069\u3001\u5f37\u5ea6\u3001\u976d\u6027\u3001\u6eb6\u63a5\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">SteelPro Group \u306f\u3001S7 \u5de5\u5177\u92fc\u3084 4140 \u92fc\u306a\u3069\u3001\u304a\u5ba2\u69d8\u304c\u5fc5\u8981\u3068\u3059\u308b\u6b63\u78ba\u306a\u6750\u6599\u3092\u3001\u5c02\u9580\u5bb6\u306b\u3088\u308b\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u3068\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u7d0d\u54c1\u3068\u3068\u3082\u306b\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306b\u5c3d\u529b\u3057\u3066\u3044\u308b\u30b0\u30ed\u30fc\u30d0\u30eb \u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">S7\u5de5\u5177\u92fc\u30684140\u306e\u4e3b\u306a\u9055\u3044<\/h2><p class=\"wp-block-paragraph\">\u3053\u306e\u8868\u306f\u3001S7 \u5de5\u5177\u92fc\u3068 4140 \u5408\u91d1\u92fc\u306e\u4e3b\u306a\u9055\u3044\u3092\u5f37\u8abf\u3057\u3066\u304a\u308a\u3001\u7279\u5b9a\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9 \u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u9069\u5207\u306a\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>S7\u5de5\u5177\u92fc<\/strong><\/td><td><strong>4140\u5408\u91d1\u92fc<\/strong><\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u6700\u5927HRC\uff09<\/td><td>\u713c\u623b\u3057\u5f8c\u6700\u592758HRC<\/td><td>\u713c\u623b\u3057\u5f8c\u6700\u592750HRC<\/td><\/tr><tr><td>\u30bf\u30d5\u30cd\u30b9<\/td><td>\u786c\u5ea6\u304c\u9ad8\u304f\u3066\u3082\u975e\u5e38\u306b\u9ad8\u3044<\/td><td>\u9ad8\u304f\u3066\u69cb\u9020\u90e8\u54c1\u306b\u6700\u9069<\/td><\/tr><tr><td>\u8010\u885d\u6483\u6027<\/td><td>\u9ad8\u885d\u6483\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069<\/td><td>\u4e2d\u7a0b\u5ea6\u306e\u885d\u6483\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069<\/td><\/tr><tr><td>\u8010\u6469\u8017\u6027<\/td><td>\u4e2d\u7a0b\u5ea6\u30014140\u4ee5\u4e0a<\/td><td>\u4e2d\u7a0b\u5ea6\u3001\u4e00\u822c\u7684\u306a\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/td><\/tr><tr><td>\u52a0\u5de5\u6027<\/td><td>\u666e\u901a\u3060\u304c\u3001\u56fa\u304f\u306a\u308b\u3068\u96e3\u3057\u3044<\/td><td>\u826f\u597d\u3001\u713c\u304d\u306a\u307e\u3057\u72b6\u614b\u3067\u306f\u3088\u308a\u5bb9\u6613<\/td><\/tr><tr><td>\u71b1\u51e6\u7406<\/td><td>\u7a7a\u6c17\u786c\u5316\u3001\u6b6a\u307f\u304c\u6700\u5c0f\u9650<\/td><td>\u30aa\u30a4\u30eb\u713c\u304d\u5165\u308c\u3001\u4e2d\u7a0b\u5ea6\u306e\u6b6a\u307f<\/td><\/tr><tr><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/td><td>\u30d1\u30f3\u30c1\u3001\u30c0\u30a4\u3001\u9ad8\u885d\u6483\u5de5\u5177<\/td><td>\u30b7\u30e3\u30d5\u30c8\u3001\u30ae\u30a2\u3001\u6a5f\u68b0\u90e8\u54c1<\/td><\/tr><tr><td>\u30b3\u30b9\u30c8<\/td><td>\u5408\u91d1\u542b\u6709\u91cf\u304c\u9ad8\u3044\u305f\u3081<\/td><td>\u4f4e\u4fa1\u683c\u3001\u5e83\u304f\u5165\u624b\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">\u3069\u306e\u7d20\u6750\u3092\u9078\u629e\u3059\u308c\u3070\u3088\u3044\u304b\u3059\u3050\u306b\u77e5\u308a\u305f\u3044\u65b9\u306b\u306f\u3001SteelPro Group \u304c\u4ee5\u4e0b\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u9078\u3076 <strong>S7\u5de5\u5177\u92fc<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b <strong>\u9ad8\u3044\u8010\u885d\u6483\u6027\u3068\u5f37\u976d\u6027<\/strong>\u7279\u306b\u30c4\u30fc\u30eb\u306b\u304a\u3044\u3066\u306f\u305d\u3046\u3067\u3059\u3002<\/li>\n\n<li>\u9078\u3076 <strong>4140\u5408\u91d1\u92fc<\/strong> \u306e\u305f\u3081\u306b <strong>\u6c4e\u7528\u69cb\u9020\u304a\u3088\u3073\u6a5f\u68b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong> \u4f4e\u30b3\u30b9\u30c8\u3067\u5f37\u5ea6\u3001\u976d\u6027\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">S7 vs 4140 \u5316\u5b66\u7d44\u6210<\/h2><p class=\"wp-block-paragraph\"><strong>S7\u5de5\u5177\u92fc<\/strong> \u9ad8\u6fc3\u5ea6\u306e <strong>\u30b7\u30ea\u30b3\u30f3<\/strong> \u305d\u3057\u3066 <strong>\u30af\u30ed\u30e0<\/strong> \u306b\u6bd4\u3079 <strong>4140\u5408\u91d1\u92fc<\/strong>\u3001\u305d\u306e <strong>\u8010\u885d\u6483\u6027<\/strong> \u305d\u3057\u3066 <strong>\u8010\u6469\u8017\u6027<\/strong>\u885d\u6483\u306e\u5927\u304d\u3044\u5de5\u5177\u306b\u6700\u9069\u3067\u3059\u3002\u30b7\u30ea\u30b3\u30f3\u306e\u5897\u52a0\u306b\u3088\u308a\u3001 <strong>\u786c\u5ea6\u4fdd\u6301<\/strong> \u9ad8\u6e29\u3067\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\">\u4e00\u65b9\u3067\u3001 <strong>4140<\/strong> \u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u30df\u30c3\u30af\u30b9 <strong>\u30af\u30ed\u30e0<\/strong> \u305d\u3057\u3066 <strong>\u30e2\u30ea\u30d6\u30c7\u30f3<\/strong>\u3001\u826f\u3044 <strong>\u5f37\u976d\u3055<\/strong> \u305d\u3057\u3066 <strong>\u786c\u5316\u6027<\/strong>\u70ad\u7d20\u542b\u6709\u91cf\u304c\u5c11\u306a\u3044\u305f\u3081\u3001 <strong>\u5ef6\u6027<\/strong> \u305d\u3057\u3066 <strong>\u52a0\u5de5\u6027<\/strong>.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td><td><strong>S7\u5de5\u5177\u92fc\u542b\u6709\u91cf\uff08%\uff09<\/strong><\/td><td><strong>4140 \u92fc\u6750\u542b\u6709\u91cf\uff08%\uff09<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>0.5<\/td><td>0.38 &#8211; 0.43<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>1<\/td><td>0.75 &#8211; 1.0<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>5.25<\/td><td>0.80 &#8211; 1.1<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>1.1<\/td><td>0.15 &#8211; 0.25<\/td><\/tr><tr><td>\u30d0\u30ca\u30b8\u30a6\u30e0 (V)<\/td><td>0.5<\/td><td>&#8211;<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.3<\/td><td>0.15 &#8211; 0.30<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>0.03<\/td><td>\u2264 0.035<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>0.03<\/td><td>\u2264 0.040<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">S7\u5de5\u5177\u92fc\u30684140\u5de5\u5177\u92fc\u306e\u7279\u6027<\/h2><h3 class=\"wp-block-heading\">\u786c\u5ea6<\/h3><p class=\"wp-block-paragraph\">S7 \u5de5\u5177\u92fc\u306f\u3001\u30b7\u30ea\u30b3\u30f3\u3068\u30af\u30ed\u30e0\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u786c\u5ea6\u304c 4140 \u3088\u308a\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u5927 58 HRC \u306e\u786c\u5ea6\u3092\u5b9f\u73fe\u3067\u304d\u308b\u305f\u3081\u3001\u5207\u524a\u5de5\u5177\u3084\u91d1\u578b\u306a\u3069\u306e\u6469\u8017\u306e\u6fc0\u3057\u3044\u5de5\u5177\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">4140 \u306f\u7d04 50 HRC \u306b\u9054\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u306f\u5341\u5206\u3067\u3059\u304c\u3001\u53b3\u3057\u3044\u74b0\u5883\u3067\u306f\u8010\u6469\u8017\u6027\u304c\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30bf\u30d5\u30cd\u30b9<\/h3><p class=\"wp-block-paragraph\">S7 \u306b\u542b\u307e\u308c\u308b\u30b7\u30ea\u30b3\u30f3\u3068\u30af\u30ed\u30e0\u306f\u8010\u885d\u6483\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u30d1\u30f3\u30c1\u3084\u62bc\u3057\u51fa\u3057\u30c0\u30a4\u306a\u3069\u306e\u885d\u6483\u5de5\u5177\u306b\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">4140 \u306b\u306f\u3053\u308c\u3089\u306e\u8981\u7d20\u304c\u6b20\u3051\u3066\u304a\u308a\u3001\u7a81\u7136\u306e\u885d\u6483\u3067\u5272\u308c\u3084\u3059\u3044\u305f\u3081\u3001\u5b89\u5b9a\u3057\u305f\u4e2d\u7a0b\u5ea6\u306e\u30b9\u30c8\u30ec\u30b9\u3092\u53d7\u3051\u308b\u30b7\u30e3\u30d5\u30c8\u3084\u30ae\u30a2\u306a\u3069\u3001\u8981\u6c42\u306e\u53b3\u3057\u304f\u306a\u3044\u7528\u9014\u306b\u3057\u304b\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p><h3 class=\"wp-block-heading\">\u8010\u6469\u8017\u6027<\/h3><p class=\"wp-block-paragraph\">S7 \u306f\u3001\u8868\u9762\u306e\u8010\u4e45\u6027\u3092\u9ad8\u3081\u308b\u5408\u91d1\u5143\u7d20\u306e\u304a\u304b\u3052\u3067\u3001\u3088\u308a\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">4140 \u306f\u4e2d\u7a0b\u5ea6\u306e\u8010\u6469\u8017\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u9ad8\u6469\u8017\u74b0\u5883\u306b\u306f\u9069\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u69cb\u9020\u90e8\u54c1\u3084\u6a5f\u68b0\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u52a0\u5de5\u6027<\/h3><p class=\"wp-block-paragraph\">4140 \u306f\u786c\u5ea6\u304c\u4f4e\u304f\u3001\u5408\u91d1\u5143\u7d20\u304c\u30b7\u30f3\u30d7\u30eb\u306a\u305f\u3081\u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3001\u30b7\u30e3\u30d5\u30c8\u3084\u30ae\u30a2\u306e\u88fd\u9020\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">S7 \u306f\u786c\u5ea6\u304c\u9ad8\u3044\u305f\u3081\u3001\u7279\u306b\u786c\u5316\u3057\u305f\u5f62\u72b6\u3067\u306f\u6a5f\u68b0\u52a0\u5de5\u304c\u3088\u308a\u96e3\u3057\u304f\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u8a2d\u5099\u3068\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u71b1\u51e6\u7406\u5b89\u5b9a\u6027<\/h3><p class=\"wp-block-paragraph\">S7 \u306e\u7a7a\u6c17\u786c\u5316\u7279\u6027\u306b\u3088\u308a\u6b6a\u307f\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u9ad8\u7cbe\u5ea6\u30c4\u30fc\u30eb\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p class=\"wp-block-paragraph\">4140 \u306f\u6cb9\u713c\u5165\u308c\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u713c\u5165\u308c\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u6b6a\u307f\u304c\u751f\u3058\u3084\u3059\u304f\u3001\u8907\u96d1\u306a\u90e8\u54c1\u306e\u6700\u7d42\u5f62\u72b6\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30b3\u30b9\u30c8<\/h3><p class=\"wp-block-paragraph\">4140 \u306f\u69cb\u6210\u304c\u30b7\u30f3\u30d7\u30eb\u306a\u305f\u3081\u30b3\u30b9\u30c8\u304c\u4f4e\u304f\u3001\u69cb\u9020\u90e8\u54c1\u3084\u6a5f\u68b0\u90e8\u54c1\u3068\u3057\u3066\u3088\u308a\u7d4c\u6e08\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">S7 \u306f\u5408\u91d1\u542b\u6709\u91cf\u304c\u591a\u304f\u3001\u7279\u6b8a\u306a\u7279\u6027\u304c\u3042\u308b\u305f\u3081\u9ad8\u4fa1\u3067\u3059\u304c\u3001\u3088\u308a\u9ad8\u3044\u6027\u80fd\u304c\u8981\u6c42\u3055\u308c\u308b\u30c4\u30fc\u30eb\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">S7\u30684140\u92fc\u306e\u7570\u306a\u308b\u7528\u9014<\/h2><p class=\"wp-block-paragraph\">S7 \u306f\u3001\u512a\u308c\u305f\u786c\u5ea6\u3068\u8010\u885d\u6483\u6027\u304c\u8981\u6c42\u3055\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u30014140 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