{"id":20187,"date":"2025-01-04T08:30:00","date_gmt":"2025-01-04T00:30:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20187"},"modified":"2025-01-14T10:34:47","modified_gmt":"2025-01-14T02:34:47","slug":"8620","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/grades\/8620\/","title":{"rendered":"8620 \u92fc | G86200 | A50202: \u7279\u6027\u3068\u88fd\u54c1"},"content":{"rendered":"<p>SteelPro Group \u306f\u3001ASTM\u3001ISO\u3001GB \u306a\u3069\u306e\u5730\u57df\u898f\u683c\u306b\u9069\u5408\u3057\u305f 8620 \u7a2e\u985e\u306e\u92fc\u68d2\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u88fd\u54c1\u306f\u3001\u7cbe\u5ea6\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u53b3\u683c\u306a\u8a31\u5bb9\u5dee\u7ba1\u7406\u306e\u3082\u3068\u3067\u88fd\u9020\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">8620 \u5de5\u5177\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>8620 \u92fc\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3092\u542b\u3080\u4f4e\u5408\u91d1\u3001\u4e2d\u786c\u5ea6\u306e\u6d78\u70ad\u92fc\u3067\u3059\u3002\u512a\u308c\u305f\u8868\u9762\u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u5f37\u529b\u306a\u30b3\u30a2\u5f37\u5ea6\u3068\u8868\u9762\u976d\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u30ab\u30e0\u30b7\u30e3\u30d5\u30c8\u3001\u30ae\u30a2\u3001\u30d9\u30a2\u30ea\u30f3\u30b0\u306a\u3069\u306e\u4e2d\u5f37\u5ea6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6700\u9069\u3067\u3059\u3002&nbsp;<\/p><p>\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u4ed6\u306e\u6d78\u70ad\u92fc\u306b\u6bd4\u3079\u3066\u976d\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u786c\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u7a92\u5316\u51e6\u7406\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf\u304c\u6bd4\u8f03\u7684\u4f4e\u3044\u305f\u3081\u3001\u706b\u708e\u713c\u5165\u308c\u3084\u9ad8\u5468\u6ce2\u713c\u5165\u308c\u3067\u306f\u6027\u80fd\u304c\u3042\u307e\u308a\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p><h2 class=\"wp-block-heading\">8620 \u92fc\u3068\u540c\u7b49\u306e\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>8620 \u92fc\u306e\u95a2\u9023\u898f\u683c\u3068\u540c\u7b49\u306e\u7b49\u7d1a\u3092\u793a\u3059\u8868\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u56fd\u540d<\/strong><\/td><td><strong>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong><\/td><td><strong>\u540c\u7b49\u306e\u7b49\u7d1a<\/strong><\/td><\/tr><tr><td>\u4e2d\u56fd<\/td><td>GB\/T 3077<\/td><td>20CrNiMo\/A50202<\/td><\/tr><tr><td>\u65e5\u672c<\/td><td>JIS G 4053<\/td><td>SNCM220<\/td><\/tr><tr><td>\u30a2\u30e1\u30ea\u30ab<\/td><td>ASTM A29\/A29M\u3001ASTM A1040\u3001SAE J 404<\/td><td>\uff08G\uff098620<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">8620 \u92fc\u88fd\u54c1\u306e\u4ed5\u69d8\u3068\u30b5\u30a4\u30ba<\/h2><p>SteelPro Group \u306f\u3001\u3055\u307e\u3056\u307e\u306a\u6a19\u6e96\u30b5\u30a4\u30ba\u306e 8620 \u92fc\u68d2\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30e0 \u30b5\u30a4\u30ba\u3082\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002\u5f53\u793e\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u306a\u6750\u6599\u3092\u3054\u63d0\u6848\u3057\u307e\u3059\u3002<\/p><p><strong>\u4e38\u68d2<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u76f4\u5f84\uff1a <strong>10mm\uff5e500mm<\/strong> \uff080.4\u30a4\u30f3\u30c1\uff5e20\u30a4\u30f3\u30c1\uff09<\/li><\/ul><p><strong>\u30b3\u30fc\u30eb\u30c9\u30fb\u30c9\u30ed\u30fc\u30f3\u30fb\u30d0\u30fc<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u76f4\u5f84\uff1a <strong>6mm\uff5e150mm<\/strong> \uff080.24\u30a4\u30f3\u30c1\uff5e6\u30a4\u30f3\u30c1\uff09<\/li><\/ul><p><strong>\u4e2d\u7a7a\u30d0\u30fc<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u5916\u5f84: <strong>20mm\uff5e300mm<\/strong> (0.8\u30a4\u30f3\u30c1\uff5e12\u30a4\u30f3\u30c1)<\/li>\n\n<li>\u58c1\u306e\u539a\u3055: <strong>2mm\uff5e50mm<\/strong> (0.08\u30a4\u30f3\u30c1\uff5e2\u30a4\u30f3\u30c1)<\/li><\/ul><h2 class=\"wp-block-heading\">8620\u92fc\u306e\u5316\u5b66\u6210\u5206<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td><td><strong>\u5316\u5b66\u7d44\u6210<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>0.18 &#8211; 0.23 %<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>0.40 &#8211; 0.60 %<\/td><\/tr><tr><td>\u9244\uff08Fe\uff09<\/td><td>96.895 &#8211; 98.02 %<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>0.70 &#8211; 0.90 %<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>0.15 &#8211; 0.25 %<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>0.40 &#8211; 0.70 %<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u2264 0.035 %<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.15 &#8211; 0.35 %<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u2264 0.040 %<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">8620\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/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>\u878d\u70b9<\/td><td>1425 - 1510 \u00b0C<\/td><td>2597 - 2750 \u00b0F<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>46.6W\/m\u00b7K<\/td><td>323 BTU\u00b7\u30a4\u30f3\u30c1\/\u6642\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>0.475 J\/g\u00b7\u00b0C<\/td><td>0.114 BTU\/\u30dd\u30f3\u30c9\u00b7\u00b0F<\/td><\/tr><tr><td>\u96fb\u6c17\u62b5\u6297\u7387<\/td><td>0.0000234 \u30aa\u30fc\u30e0\u00b7cm<\/td><td>0.0000234 \u30aa\u30fc\u30e0\u00b7cm<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">8620\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>580 \u2013 800 MPa<\/td><td>84,000 \u2013 116,000 psi<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>310 \u2013 415 MPa<\/td><td>45,000 \u2013 60,000 psi<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u30d6\u30ea\u30cd\u30eb\uff09<\/td><td>170 \u2013 280 HB<\/td><td>170 \u2013 280 HB<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u30ed\u30c3\u30af\u30a6\u30a7\u30ebC\uff09<\/td><td>22\uff5e30HRC<\/td><td>22\uff5e30HRC<\/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>11,600 ksi<\/td><\/tr><tr><td>\u4f53\u7a4d\u5f3e\u6027\u7387<\/td><td>160GPa<\/td><td>23,200 ksi<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>205GPa<\/td><td>29,700 ksi<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027\uff08\u30b7\u30e3\u30eb\u30d4\u30fc\uff09<\/td><td>40\uff5e60\u30b8\u30e5\u30fc\u30eb<\/td><td>29.5 \u2013 44.2 \u30d5\u30a3\u30fc\u30c8\u30dd\u30f3\u30c9<\/td><\/tr><tr><td>\u4f38\u3073\uff0850mm\u5358\u4f4d\uff09<\/td><td>15 &#8211; 20 %<\/td><td>15 &#8211; 20 %<\/td><\/tr><\/tbody><\/table><\/figure><ul class=\"wp-block-list\"><li><em>\u6a5f\u68b0\u52a0\u5de5\u6027\u306f\u3001AISI 1212 \u92fc\u306e 100% \u6a5f\u68b0\u52a0\u5de5\u6027\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/em><\/li><\/ul><h2 class=\"wp-block-heading\">8620 \u92fc\u306e\u6a5f\u68b0\u52a0\u5de5\u6027<\/h2><p>8620 \u92fc\u306e\u52a0\u5de5\u306f\u3001\u901a\u5e38\u3001\u8edf\u5316\u72b6\u614b\u306e\u307b\u3046\u304c\u7c21\u5358\u3067\u3059\u3002\u6d78\u70ad\u51e6\u7406\u3068\u786c\u5316\u51e6\u7406\u3092\u3059\u308b\u3068\u3001\u8868\u9762\u786c\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3001\u3088\u308a\u5f37\u976d\u306b\u306a\u308a\u3001\u5207\u524a\u5de5\u5177\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u52a0\u5de5\u306e\u5927\u90e8\u5206\u306f\u6d78\u70ad\u51e6\u7406\u306e\u524d\u306b\u884c\u3046\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">8620\u92fc\u306e\u71b1\u51e6\u7406\u65b9\u6cd5\u306f\uff1f<\/h2><h3 class=\"wp-block-heading\">\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p>\u92fc\u3092 820\u00b0C \uff5e 850\u00b0C (1508\u00b0F \uff5e 1562\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u5168\u4f53\u304c\u5747\u4e00\u306b\u306a\u308b\u307e\u3067\u3053\u306e\u6e29\u5ea6\u3092\u4fdd\u3061\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7089\u5185\u3067\u51b7\u5374\u3059\u308b\u304b\u3001\u81ea\u7136\u51b7\u5374\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u786c\u5316<\/h3><p>\u92fc\u3092\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u5316\u306e\u305f\u3081\u306b 840\u00b0C \uff5e 870\u00b0C (1544\u00b0F \uff5e 1598\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u6750\u6599\u306e\u30b5\u30a4\u30ba\u3068\u5f62\u72b6\u306b\u5fdc\u3058\u3066\u6cb9\u307e\u305f\u306f\u6c34\u4e2d\u3067\u6025\u51b7\u3057\u307e\u3059\u3002\u51b7\u5374\u65b9\u6cd5\u306f\u90e8\u54c1\u306e\u8907\u96d1\u3055\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u713c\u304d\u623b\u3057<\/h3><p>\u786c\u5316\u5f8c\u3001\u92fc\u3092 200\u00b0C \uff5e 700\u00b0C (400\u00b0F \uff5e 1300\u00b0F) \u306e\u6e29\u5ea6\u3067\u713c\u304d\u5165\u308c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u92fc\u306e\u8868\u9762\u306e\u976d\u6027 (\u8868\u9762\u976d\u6027) \u304c\u5411\u4e0a\u3057\u3001\u786c\u5ea6\u3092\u5927\u5e45\u306b\u4f4e\u4e0b\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u7814\u78e8\u306b\u3088\u308b\u3072\u3073\u5272\u308c\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30ce\u30fc\u30de\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3<\/h3><p>\u92fc\u3092 910\u00b0C (1670\u00b0F) \u307e\u3067\u52a0\u71b1\u3057\u3001\u7a7a\u6c17\u4e2d\u3067\u51b7\u5374\u3057\u307e\u3059\u3002\u713c\u306a\u3089\u3057\u51e6\u7406\u306b\u3088\u308a\u92fc\u306e\u6a5f\u68b0\u52a0\u5de5\u6027\u304c\u5411\u4e0a\u3057\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u6d78\u70ad\u51e6\u7406\u306e\u524d\u306b\u713c\u306a\u3089\u3057\u51e6\u7406\u3092\u884c\u3063\u3066\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">8620 \u92fc\u3092\u8868\u9762\u786c\u5316\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b?<\/h3><p>8620 \u92fc\u306e\u8868\u9762\u786c\u5316\u306b\u306f\u6d78\u70ad\u51e6\u7406\u304c\u4f7f\u7528\u3055\u308c\u3001\u70ad\u7d20\u3092\u591a\u304f\u542b\u3080\u74b0\u5883\u3067\u92fc\u3092 880\u00b0C\uff5e900\u00b0C (1616\u00b0F\uff5e1652\u00b0F) \u306b\u52a0\u71b1\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8868\u9762\u304c\u786c\u5316\u3057\u3001\u82af\u90e8\u306f\u5f37\u976d\u306a\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002\u6d78\u70ad\u51e6\u7406\u5f8c\u3001\u92fc\u306f\u713c\u304d\u5165\u308c\u3068\u713c\u304d\u623b\u3057\u304c\u884c\u308f\u308c\u3001\u8106\u3055\u304c\u8efd\u6e1b\u3055\u308c\u308b\u305f\u3081\u3001\u30ae\u30a2\u3084\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u306e\u90e8\u54c1\u306b\u6700\u9069\u3067\u3059\u3002<\/p><p>\u3055\u3089\u306b\u786c\u3044\u8868\u9762\u306e\u305f\u3081\u306b\u3001 <strong>\u7a92\u5316<\/strong> 8620 \u92fc\u306b\u306f\u3001\u713c\u5165\u308c\u3068\u713c\u623b\u3057\u5f8c\u306b\u7a92\u5316\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7a92\u5316\u51e6\u7406\u306f 490\u00b0C \uff5e 530\u00b0C (914\u00b0F \uff5e 986\u00b0F) \u306e\u6e29\u5ea6\u3067\u884c\u308f\u308c\u3001\u305d\u306e\u5f8c\u3001\u3086\u304c\u307f\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3086\u3063\u304f\u308a\u3068\u51b7\u5374\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u306b\u3088\u308a\u3001\u30b3\u30a2\u306e\u976d\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u8868\u9762\u786c\u5ea6\u304c\u6700\u5927 Rc 60 \u307e\u3067\u5897\u52a0\u3057\u307e\u3059\u3002&nbsp;<\/p><p>\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u713c\u304d\u623b\u3057\u6e29\u5ea6\u3092\u7a92\u5316\u6e29\u5ea6\u3088\u308a\u3082\u9ad8\u304f\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">8620\u92fc\u306e\u6eb6\u63a5<\/h2><p>8620 \u92fc\u3092\u6eb6\u63a5\u3059\u308b\u5834\u5408\u3001\u5272\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u713c\u304d\u306a\u307e\u3057\u307e\u305f\u306f\u713c\u304d\u306a\u3089\u3057\u306e\u72b6\u614b\u3067\u4f5c\u696d\u3059\u308b\u306e\u304c\u6700\u9069\u3067\u3059\u3002\u9069\u5207\u306a\u30d5\u30a3\u30e9\u30fc\u6750\u6599\u3092\u4f7f\u7528\u3057\u305f MIG\u3001TIG\u3001\u30b9\u30c6\u30a3\u30c3\u30af\u6eb6\u63a5\u306a\u3069\u306e\u6eb6\u63a5\u65b9\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p><p>\u92fc\u3092 150\u00b0C \uff5e 200\u00b0C (302\u00b0F \uff5e 392\u00b0F) \u306b\u4e88\u71b1\u3059\u308b\u3068\u3001\u7279\u306b\u539a\u3044\u90e8\u5206\u306e\u5272\u308c\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6eb6\u63a5\u5f8c\u3001\u713c\u304d\u623b\u3057\u3084\u5fdc\u529b\u7de9\u548c\u306a\u3069\u306e\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u306f\u3001\u6750\u6599\u306e\u7279\u6027\u3092\u56de\u5fa9\u3057\u3001\u5fdc\u529b\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">8620 \u92fc\u306f\u4f55\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304b?<\/h2><p>AISI 8620 \u92fc\u306f\u3001\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u3001\u5f37\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6c42\u3081\u3089\u308c\u308b\u3055\u307e\u3056\u307e\u306a\u6a5f\u68b0\u90e8\u54c1\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u7528\u9014\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u30ae\u30a2\uff08\u5e73\u6b6f\u8eca\u3001\u30d9\u30d9\u30eb\u6b6f\u8eca\u3001\u5dee\u52d5\u6b6f\u8eca\uff09<\/li>\n\n<li>\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8<\/li>\n\n<li>\u8eca\u8ef8<\/li>\n\n<li>\u30b7\u30e3\u30d5\u30c8\uff08\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u3001\u30b3\u30f3\u30d9\u30a2\u30b7\u30e3\u30d5\u30c8\uff09<\/li>\n\n<li>\u30d9\u30a2\u30ea\u30f3\u30b0<\/li>\n\n<li>\u30ab\u30e0\u30b7\u30e3\u30d5\u30c8<\/li>\n\n<li>\u30d4\u30f3\u3068\u30d6\u30c3\u30b7\u30f3\u30b0\uff08\u30d4\u30b9\u30c8\u30f3\u30d4\u30f3\u3001\u30ed\u30c3\u30ab\u30fc\u30d4\u30f3\uff09<\/li>\n\n<li>\u30d5\u30a1\u30b9\u30ca\u30fc\uff08\u30dc\u30eb\u30c8\u3001\u30ca\u30c3\u30c8\uff09<\/li><\/ul><h2 class=\"wp-block-heading\">8620 \u30b9\u30c1\u30fc\u30eb vs 4140 \u30b9\u30c1\u30fc\u30eb<\/h2><p>8620 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\u306f\u5168\u4f53\u7684\u306a\u5f37\u5ea6\u304c\u9ad8\u304f\u3001\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3084\u9ad8\u8ca0\u8377\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u3001\u9ad8\u3044\u5f15\u5f35\u5f37\u5ea6\u304c\u6c42\u3081\u3089\u308c\u308b\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">SteelPro Group \u306b\u3088\u308b\u30d7\u30ec\u30df\u30a2\u30e0 8620 \u30b9\u30c1\u30fc\u30eb \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h2><p>SteelPro Group \u306f\u3001\u30d7\u30ec\u30df\u30a2\u30e0 8620 \u92fc\u88fd\u54c1\u306e\u30c8\u30c3\u30d7 \u30af\u30e9\u30b9\u306e\u56fd\u969b\u7684\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3067\u3059\u3002\u5f53\u793e\u306f\u3001\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u3001\u6a19\u6e96\u5bf8\u6cd5\u3068\u30ab\u30b9\u30bf\u30e0\u5bf8\u6cd5\u306e\u4e21\u65b9\u3067 8620 \u92fc\u68d2\u3092\u5e45\u5e83\u304f\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30ae\u30a2\u3001\u30ab\u30e0\u30b7\u30e3\u30d5\u30c8\u3001\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u3044\u305a\u308c\u3067\u3042\u3063\u3066\u3082\u3001\u5f53\u793e\u306e\u5c02\u9580\u77e5\u8b58\u306b\u88cf\u6253\u3061\u3055\u308c\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u9ad8\u6027\u80fd\u306e\u6750\u6599\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>8620\u92fc\u306b\u52a0\u3048\u3066\u3001 <strong><a href=\"https:\/\/steelprogroup.com\/ja\/tool-steel\/cr12mov\/\">D2<\/a><\/strong> <strong>\u305d\u3057\u3066 <a href=\"https:\/\/steelprogroup.com\/ja\/tool-steel\/h13\/\">H13\u5de5\u5177\u92fc<\/a><\/strong>\u3055\u307e\u3056\u307e\u306a\u30c4\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9ad8\u54c1\u8cea\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPro Group \u306f\u3001ASTM\u3001ISO\u3001GB \u306a\u3069\u306e\u5730\u57df\u898f\u683c\u306b\u9069\u5408\u3057\u305f 8620 \u7a2e\u985e\u306e\u92fc\u68d2\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u88fd\u54c1\u306f [\u2026]<\/p>","protected":false},"author":12,"featured_media":20183,"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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