{"id":21368,"date":"2025-03-09T02:14:00","date_gmt":"2025-03-08T18:14:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21368"},"modified":"2025-03-10T17:47:38","modified_gmt":"2025-03-10T09:47:38","slug":"4320-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/alloy-steel\/4320-steel\/","title":{"rendered":"AISI 4320 \u5408\u91d1\u92fc | UNS G43200 \u30d0\u30fc\u30e1\u30fc\u30ab\u30fc"},"content":{"rendered":"<p>\u976d\u6027\u3001\u6eb6\u63a5\u6027\u3001\u8010\u6469\u8017\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u9ad8\u6027\u80fd\u5408\u91d1\u92fc\u3092\u304a\u63a2\u3057\u3067\u3059\u304b\uff1f AISI 4320 \u5408\u91d1\u92fc\u304c\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059\u3002&nbsp;<\/p><p>SteelPro Group \u306f\u3001\u53b3\u683c\u306a\u696d\u754c\u6a19\u6e96\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u7cbe\u5bc6\u306b\u8a2d\u8a08\u3055\u308c\u305f 4320 \u92fc\u88fd\u54c1\u306e\u63d0\u4f9b\u3092\u5c02\u9580\u3068\u3057\u3066\u3044\u307e\u3059\u3002&nbsp;<\/p><p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u591a\u7528\u9014\u7d20\u6750\u306e\u80cc\u5f8c\u306b\u3042\u308b\u79d1\u5b66\u3001\u305d\u306e\u91cd\u8981\u306a\u7528\u9014\u3001\u305d\u3057\u3066\u5f53\u793e\u306e\u9ad8\u5ea6\u306a\u88fd\u9020\u80fd\u529b\u304c\u91cd\u6a5f\u304b\u3089\u822a\u7a7a\u5b87\u5b99\u90e8\u54c1\u306b\u81f3\u308b\u307e\u3067\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3069\u306e\u3088\u3046\u306b\u512a\u308c\u305f\u54c1\u8cea\u3092\u4fdd\u8a3c\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002&nbsp;<\/p><h2 class=\"wp-block-heading\">AISI 4320 \u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>AISI 4320\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u6df7\u5408\u306b\u3088\u308a\u3001\u512a\u308c\u305f\u5f37\u5ea6\u3001\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u3067\u77e5\u3089\u308c\u308b\u4f4e\u5408\u91d1\u92fc\u3067\u3059\u3002\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\uff080.17\uff5e0.22%\uff09\u305f\u3081\u3001\u826f\u597d\u306a\u6eb6\u63a5\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u92fc\u306e\u8868\u9762\u786c\u5316\u7279\u6027\u306b\u3088\u308a\u3001\u5f3e\u529b\u6027\u306e\u3042\u308b\u82af\u6750\u306e\u4e0a\u306b\u3001\u8010\u4e45\u6027\u3068\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u305f\u5916\u5c64\u304c\u5f62\u6210\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30ae\u30a2\u3084\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u3001\u5f37\u3044\u6469\u64e6\u3084\u529b\u3092\u53d7\u3051\u308b\u90e8\u54c1\u306b\u6700\u9069\u3067\u3059\u30024320\u92fc\u306f\u3001\u81ea\u52d5\u8eca\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u91cd\u6a5f\u306b\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320\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>\u5185\u5bb9<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>0.17~0.22%<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>0.15~0.35%<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>0.45~0.65%<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u2264 0.035%<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u2264 0.04%<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>\u2265 0.4~0.6%<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>\u2265 1.65~2%<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>\u2265 0.2~0.3%<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4320\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u6a5f\u68b0\u7684\u6027\u8cea<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/strong><\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30d6\u30ea\u30cd\u30eb<\/td><td>235<\/td><td>235<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30cc\u30fc\u30d7<\/td><td>259<\/td><td>259<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30ed\u30c3\u30af\u30a6\u30a7\u30ebB<\/td><td>97<\/td><td>97<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30ed\u30c3\u30af\u30a6\u30a7\u30ebC<\/td><td>21<\/td><td>21<\/td><\/tr><tr><td>\u786c\u5ea6\u3001\u30d3\u30c3\u30ab\u30fc\u30b9<\/td><td>247<\/td><td>247<\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>793 MPa<\/td><td>115,000 psi<\/td><\/tr><tr><td>\u6700\u5927\u5f15\u5f35\u5f37\u5ea6<\/td><td>460 MPa<\/td><td>66,700 psi<\/td><\/tr><tr><td>\u7834\u65ad\u4f38\u5ea6<\/td><td>20.80% 50 mm<\/td><td>20.80% 50 mm<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>205GPa<\/td><td>29,700 ksi<\/td><\/tr><tr><td>\u4f53\u7a4d\u5f3e\u6027\u7387<\/td><td>160GPa<\/td><td>23,200 ksi<\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.29<\/td><td>0.29<\/td><\/tr><tr><td>\u9762\u7a4d\u306e\u7e2e\u5c0f<\/td><td>51%<\/td><td>51%<\/td><\/tr><tr><td>\u52a0\u5de5\u6027<\/td><td>60%<\/td><td>60%<\/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>\u30a2\u30a4\u30be\u30c3\u30c9\u30a4\u30f3\u30d1\u30af\u30c8<\/td><td>73.0 \u30b8\u30e5\u30fc\u30eb<\/td><td>53.8 \u30d5\u30a3\u30fc\u30c8\u30dd\u30f3\u30c9<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4320\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u7269\u7406\u7684\u6027\u8cea<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/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\uff5e1530\u2103<\/td><td>2597\uff5e2790\u00b0F<\/td><\/tr><tr><td>\u71b1\u81a8\u5f35<\/td><td>11.3 \u00b5m\/m-\u00b0C<\/td><td>6.28 \u00b5in\/in-\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4320\u92fc\u306e\u71b1\u7279\u6027<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u82f1\u8a9e<\/strong><\/td><\/tr><tr><td>CTE\u3001\u7dda\u5f62<\/td><td>11.3 \u00b5m\/m-\u00b0C<\/td><td>6.28 \u00b5in\/in-\u00b0F<\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>0.475 J\/g-\u2103<\/td><td>0.113 BTU\/\u30dd\u30f3\u30c9-\u00b0F<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>44.5W\/mK<\/td><td>30.7 BTU\u00b7in\/h\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4320\u5408\u91d1\u92fc\u306e\u5229\u70b9<\/h2><p>AISI 4320\u5408\u91d1\u92fc\u306f\u3001\u8868\u9762\u786c\u5ea6\u3068\u82af\u90e8\u306e\u976d\u6027\u306e\u4e21\u65b9\u304c\u6c42\u3081\u3089\u308c\u308b\u74b0\u5883\u306b\u304a\u3044\u3066\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u305d\u306e\u512a\u308c\u305f\u7279\u5fb4\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u30b1\u30fc\u30b9\u786c\u5316\u80fd\u529b<\/strong>: \u5ef6\u6027\u3068\u885d\u6483\u5438\u53ce\u6027\u3092\u5099\u3048\u305f\u30b3\u30a2\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u8010\u6469\u8017\u6027\u306e\u3042\u308b\u8868\u9762\uff08\u6d78\u70ad\u307e\u305f\u306f\u7a92\u5316\u306b\u3088\u308b\uff09\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u9ad8\u3044\u75b2\u52b4\u5f37\u5ea6<\/strong>: \u30ae\u30a2\u3084\u56de\u8ee2\u90e8\u54c1\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u5468\u671f\u7684\u306a\u5fdc\u529b\u306b\u3088\u308b\u7834\u640d\u306b\u8010\u3048\u307e\u3059\u3002<\/li>\n\n<li><strong>\u512a\u308c\u305f\u6eb6\u63a5\u6027<\/strong>: \u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\u305f\u3081\u3001\u6eb6\u63a5\u524d\u5f8c\u306e\u51e6\u7406\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u88fd\u9020\u30b3\u30b9\u30c8\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n\n<li><strong>\u71b1\u5b89\u5b9a\u6027<\/strong>: 425\u00b0C (797\u00b0F) \u307e\u3067\u6a5f\u68b0\u7684\u7279\u6027\u3092\u7dad\u6301\u3057\u3001\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li><strong>\u71b1\u51e6\u7406\u3078\u306e\u9069\u5fdc\u6027<\/strong>: \u713c\u304d\u5165\u308c\u3001\u713c\u304d\u623b\u3057\u3001\u713c\u304d\u306a\u307e\u3057\u306b\u4e88\u6e2c\u3069\u304a\u308a\u306b\u53cd\u5fdc\u3057\u3001\u8abf\u6574\u3055\u308c\u305f\u786c\u5ea6\u304c\u5f97\u3089\u308c\u307e\u3059 (\u901a\u5e38\u3001\u8868\u9762\u786c\u5316\u5f8c 55 \uff5e 62 HRC)\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">\u8003\u616e\u3059\u3079\u304d\u5236\u9650\u4e8b\u9805<\/h3><ul class=\"wp-block-list\"><li><strong>\u4e2d\u7a0b\u5ea6\u306e\u8010\u98df\u6027<\/strong>: \u6e7f\u6c17\u3084\u8150\u98df\u6027\u306e\u3042\u308b\u74b0\u5883\u3067\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4fdd\u8b77\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u307e\u305f\u306f\u30e1\u30c3\u30ad\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n<li><strong>\u5408\u91d1\u5143\u7d20\u306e\u30b3\u30b9\u30c8<\/strong>\u30cb\u30c3\u30b1\u30eb\u3068\u30af\u30ed\u30e0\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u70ad\u7d20\u92fc\u306b\u6bd4\u3079\u3066\u6750\u6599\u30b3\u30b9\u30c8\u304c\u5897\u52a0\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u9ad8\u6e29\u6027\u80fd\u306e\u5236\u9650<\/strong>: 500\u00b0C (932\u00b0F) \u3092\u8d85\u3048\u308b\u3068\u8457\u3057\u304f\u52a3\u5316\u3059\u308b\u305f\u3081\u3001\u6975\u7aef\u306a\u71b1\u6761\u4ef6\u3067\u306e\u4f7f\u7528\u306f\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/li><\/ul><p><strong><em>\u95a2\u9023\u8a18\u4e8b: <a href=\"https:\/\/steelprogroup.com\/ja\/alloy-steel\/fireproof\/\">\u5408\u91d1\u92fc\u306f\u8010\u706b\u6027\u304c\u3042\u308a\u307e\u3059\u304b?<\/a><\/em><\/strong><\/p><p>SteelPro Group \u3067\u306f\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u71b1\u51e6\u7406\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u8868\u9762\u4ed5\u4e0a\u3052\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u901a\u3058\u3066\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3057\u30014320 \u92fc\u304c\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u904b\u7528\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320 \u92fc\u306e\u7528\u9014<\/h2><ul class=\"wp-block-list\"><li><strong>\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0<\/strong>: \u75b2\u52b4\u8010\u6027\u3068\u5468\u671f\u7684\u8ca0\u8377\u306b\u8010\u3048\u308b\u80fd\u529b\u304c\u3042\u308b\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30b7\u30e7\u30f3\u30ae\u30a2\u3001\u30ab\u30e0\u30b7\u30e3\u30d5\u30c8\u3001\u5dee\u52d5\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n<li><strong>\u822a\u7a7a\u5b87\u5b99\u90e8\u54c1<\/strong>\u8efd\u91cf\u304b\u3064\u8010\u4e45\u6027\u304c\u91cd\u8981\u306a\u7740\u9678\u88c5\u7f6e\u90e8\u54c1\u3001\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30fc \u30b7\u30b9\u30c6\u30e0\u3001\u30a8\u30f3\u30b8\u30f3 \u30de\u30a6\u30f3\u30c8\u306a\u3069\u3002<\/li>\n\n<li><strong>\u91cd\u6a5f<\/strong>: \u6469\u8017\u6761\u4ef6\u306b\u3055\u3089\u3055\u308c\u308b\u63a1\u6398\u8a2d\u5099\u306e\u30ae\u30a2\u3001\u6cb9\u5727\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u3001\u30af\u30ec\u30fc\u30f3\u30b7\u30e3\u30d5\u30c8\u3002<\/li>\n\n<li><strong>\u77f3\u6cb9\u30fb\u30ac\u30b9\u6398\u524a<\/strong>: \u30c9\u30ea\u30eb \u30ab\u30e9\u30fc\u3001\u30d0\u30eb\u30d6 \u30dc\u30c7\u30a3\u3001\u9ad8\u5fdc\u529b\u30d5\u30a1\u30b9\u30ca\u30fc\u306b\u306f\u8010\u8150\u98df\u6027 (\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u4ed8\u304d) \u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n<li><strong>\u52d5\u529b\u4f1d\u9054<\/strong>\u98a8\u529b\u30bf\u30fc\u30d3\u30f3\u3084\u88fd\u9020\u88c5\u7f6e\u306e\u7523\u696d\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3001\u30b9\u30d7\u30ed\u30b1\u30c3\u30c8\u3001\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">4320\u92fc\u88fd\u54c1\u306e\u4ed5\u69d8\u3068\u30b5\u30a4\u30ba<\/h2><p>SteelPro Group \u3067\u306f\u3001\u6b21\u306e\u4ed5\u69d8\u3068\u30b5\u30a4\u30ba\u306e AISI 4320 \u5408\u91d1\u92fc\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u88fd\u54c1\u5f62\u614b<\/strong><\/td><td><strong>\u898f\u683c<\/strong><\/td><td><strong>\u5bf8\u6cd5<\/strong><\/td><\/tr><tr><td rowspan=\"2\">\u4e38\u68d2\u3068\u935b\u9020\u68d2<\/td><td rowspan=\"2\">ASTM A29\u3001ASTM A322\u3001SAE J404<\/td><td>\u76f4\u5f84: 10mm\uff5e500mm (0.4\u30a4\u30f3\u30c1\uff5e20\u30a4\u30f3\u30c1)<\/td><\/tr><tr><td>\u9577\u3055: \u6700\u59276m (20\u30d5\u30a3\u30fc\u30c8)<\/td><\/tr><tr><td rowspan=\"2\">\u30d5\u30e9\u30c3\u30c8\u30d0\u30fc\u3068\u30d7\u30ec\u30fc\u30c8<\/td><td rowspan=\"2\">ASTM A29\u3001ASTM A535<\/td><td>\u539a\u3055: 5mm\uff5e300mm (0.2\u30a4\u30f3\u30c1\uff5e12\u30a4\u30f3\u30c1)<\/td><\/tr><tr><td>\u5e45: \u6700\u59272.5m (8.2\u30d5\u30a3\u30fc\u30c8)<\/td><\/tr><tr><td rowspan=\"2\">\u30b7\u30fc\u30e0\u30ec\u30b9\u30c1\u30e5\u30fc\u30d6<\/td><td rowspan=\"2\">ASTM A519\u3001SAE J412<\/td><td>\u5916\u5f84: 15mm\uff5e300mm (0.6\u30a4\u30f3\u30c1\uff5e12\u30a4\u30f3\u30c1)<\/td><\/tr><tr><td>\u58c1\u306e\u539a\u3055: 2mm\uff5e50mm (0.08\u2033\uff5e2\u2033)<\/td><\/tr><tr><td>\u30d3\u30ec\u30c3\u30c8\uff06\u30d6\u30eb\u30fc\u30e0<\/td><td>ASTM A331\u3001ASTM A752<\/td><td>\u65ad\u9762: 100mm x 100mm\uff5e400mm x 400mm (4\u2033 x 4\u2033\uff5e16\u2033 x 16\u2033)<\/td><\/tr><\/tbody><\/table><\/figure><p>\u4e3b\u306a\u4ed5\u69d8:<\/p><ul class=\"wp-block-list\"><li><strong>\u71b1\u51e6\u7406<\/strong>: \u713c\u304d\u306a\u307e\u3057\u3001\u6b63\u898f\u5316\u3001\u307e\u305f\u306f\u4e8b\u524d\u786c\u5316\u3055\u308c\u305f\u72b6\u614b\u3067\u4f9b\u7d66\u3055\u308c\u307e\u3059 (SAE J1397)\u3002<\/li>\n\n<li><strong>\u8a8d\u5b9a\u8cc7\u683c<\/strong>: \u54c1\u8cea\u7ba1\u7406\u306b\u95a2\u3059\u308b ASTM\u3001SAE\u3001ISO \u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002<\/li><\/ul><p>SteelPro Group \u306f\u3001\u30ab\u30b9\u30bf\u30e0\u6a5f\u68b0\u52a0\u5de5\u3001\u5207\u65ad\u3001\u8868\u9762\u4ed5\u4e0a\u3052 (\u7814\u524a\u3001\u7814\u78e8\u306a\u3069) \u3092\u63d0\u4f9b\u3057\u3001\u304a\u5ba2\u69d8\u306e\u6b63\u78ba\u306a\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u3059\u3050\u306b\u53d6\u308a\u4ed8\u3051\u53ef\u80fd\u306a 4320 \u92fc\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320 \u92fc\u935b\u9020\u5de5\u7a0b<\/h2><p>AISI 4320\u5408\u91d1\u92fc\u306f\u3001 <strong>1038\u00b0C\u304a\u3088\u30731205\u00b0C\uff081900\u00b0F\uff5e2200\u00b0F\uff09 <\/strong>\u7c92\u5b50\u69cb\u9020\u3068\u6a5f\u68b0\u7684\u7279\u6027\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002&nbsp;<\/p><p>\u5f53\u793e\u306e\u9ad8\u5ea6\u306a\u935b\u9020\u30e9\u30a4\u30f3\u306f\u3001\u6700\u5927 <strong>3\u30c8\u30f3<\/strong>\u53b3\u3057\u3044\u5bf8\u6cd5\u516c\u5dee\uff08\u00b11.5mm\uff09\u3092\u5b9f\u73fe\u3002\u5de5\u7a0b\u5185\u8d85\u97f3\u6ce2\u691c\u67fb\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u6a5f\u68b0\u52a0\u5de5\u3084\u71b1\u51e6\u7406\u306b\u9069\u3057\u305f\u6b20\u9665\u306e\u306a\u30444320\u92fc\u935b\u9020\u54c1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320\u92fc\u306e\u71b1\u51e6\u7406<\/h2><h3 class=\"wp-block-heading\">1. \u6b63\u898f\u5316<\/h3><p>4320\u92fc\u306f872\u2103\uff081600\u2109\uff09\u3067\u713c\u304d\u306a\u3089\u3057\u51e6\u7406\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u306f\u3001\u92fc\u306e\u7d50\u6676\u69cb\u9020\u3092\u5fae\u7d30\u5316\u3057\u3001\u6a5f\u68b0\u52a0\u5de5\u3084\u935b\u9020\u306b\u3088\u308b\u5185\u90e8\u5fdc\u529b\u3092\u9664\u53bb\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u306e\u5f8c\u306e\u786c\u5316\u306e\u305f\u3081\u306e\u5747\u4e00\u306a\u57fa\u76e4\u304c\u5f62\u6210\u3055\u308c\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">2. \u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p>AISI 4320\u306f\u3001\u88ab\u524a\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u5185\u90e8\u5fdc\u529b\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u96f0\u56f2\u6c17\u5236\u5fa1\u7089\u3067872\u2103\uff081600\u00b0F\uff09\u3067\u713c\u920d\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u92fc\u6750\u306f\u53cd\u308a\u3092\u9632\u3050\u305f\u3081\u306b22\u2103\/\u6642\uff0840\u00b0F\/\u6642\uff09\u4ee5\u4e0b\u306e\u901f\u5ea6\u3067\u5f90\u51b7\u3055\u308c\u3001\u8907\u96d1\u306a\u52a0\u5de5\u306b\u6700\u9069\u306a\u67d4\u3089\u304b\u304f\u52a0\u5de5\u3057\u3084\u3059\u3044\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">3. \u786c\u5316<\/h3><p>\u8010\u6469\u8017\u6027\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u786c\u5316\u306b\u306f\u3001\u6b21\u306e\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u5316: \u70ad\u5316\u7269\u3092\u6eb6\u89e3\u3059\u308b\u305f\u3081\u306b 816 \uff5e 843\u00b0C (1500 \uff5e 1550\u00b0F) \u306b\u52a0\u71b1\u3057\u307e\u3059\u3002<\/li>\n\n<li>\u713c\u5165\u308c: 40\uff5e80\u00b0C (104\uff5e176\u00b0F) \u3067\u6025\u901f\u306b\u6cb9\u51b7\u3057\u3001\u8868\u9762\u786c\u5ea6\u304c\u6700\u5927 62 HRC \u306e\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u69cb\u9020\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">4. \u713c\u304d\u5165\u308c<\/h3><p>\u713c\u5165\u308c\u5f8c\u306e\u8106\u6027\u306f\u3001205\uff5e650\u2103\uff08400\uff5e1200\u00b0F\uff09\u306e\u713c\u623b\u3057\u306b\u3088\u3063\u3066\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002\u4f4e\u6e29\uff08205\uff5e425\u2103\/400\uff5e800\u00b0F\uff09\u3067\u306f\u30ae\u30a2\u306e\u786c\u5ea6\u304c\u512a\u5148\u3055\u308c\u3001\u9ad8\u6e29\uff08480\uff5e650\u2103\/900\uff5e1200\u00b0F\uff09\u3067\u306f\u8eca\u8ef8\u306a\u3069\u306e\u885d\u6483\u8377\u91cd\u3092\u53d7\u3051\u308b\u90e8\u54c1\u306e\u976d\u6027\u304c\u6700\u9069\u5316\u3055\u308c\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320 \u92fc\u71b1\u9593\u52a0\u5de5<\/h2><p>AISI 4320\u5408\u91d1\u92fc\u306f\u3001\u9ad8\u6e29\uff08900\uff5e1200\u2103 \/ 1650\uff5e2200\u2109\uff09\u3067\u6700\u9069\u306a\u6210\u5f62\u52a0\u5de5\u304c\u65bd\u3055\u308c\u3001\u5ef6\u6027\u304c\u5411\u4e0a\u3057\u3001\u6210\u5f62\u62b5\u6297\u304c\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002SteelPro Group\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u6280\u8853\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u71b1\u9593\u935b\u9020<\/strong>\u9ad8\u30c8\u30f3\u6570\u306e\u6cb9\u5727\u30d7\u30ec\u30b9\uff08\u6700\u5927 12,000 \u30c8\u30f3\uff09\u306f\u3001\u4e88\u71b1\u3055\u308c\u305f\u30d3\u30ec\u30c3\u30c8\u3092\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3084\u30d5\u30e9\u30f3\u30b8\u306a\u3069\u306e\u8907\u96d1\u306a\u5f62\u72b6\u306b\u6210\u5f62\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u71b1\u9593\u5727\u5ef6<\/strong>: \u30d6\u30eb\u30fc\u30e0\u3092 1050\uff5e1150\u00b0C (1922\uff5e2102\u00b0F) \u3067\u68d2\u92fc\u307e\u305f\u306f\u677f\u92fc\u306b\u5909\u63db\u3057\u3001\u539a\u3055\u516c\u5dee \u00b11.5mm (\u00b10.06\u2033) \u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u71b1\u5b89\u5b9a\u6027<\/strong>: \u71b1\u9593\u52a0\u5de5\u5f8c\u3001\u90e8\u54c1\u306f\u4e0d\u6d3b\u6027\u30ac\u30b9\u30c1\u30e3\u30f3\u30d0\u30fc\u5185\u3067\u5236\u5fa1\u3055\u308c\u305f\u51b7\u5374\u3092\u53d7\u3051\u3001\u8131\u70ad\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">4320\u92fc\u51b7\u9593\u52a0\u5de5<\/h2><p>\u51b7\u9593\u6210\u5f62\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u52a0\u71b1\u305b\u305a\u306b\u5bf8\u6cd5\u3092\u5fae\u8abf\u6574\u3057\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u3092\u6539\u5584\u3057\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u30b3\u30fc\u30eb\u30c9\u30c9\u30ed\u30fc\u30a4\u30f3\u30b0<\/strong>\uff1a\u5ba4\u6e29\u3067\u30ed\u30c3\u30c9\/\u30ef\u30a4\u30e4\u306e\u76f4\u5f84\u309215\uff5e30%\u7e2e\u5c0f\u3057\u3001\u5f15\u5f35\u5f37\u5ea6\u309210\uff5e15%\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n<li><strong>\u51b7\u9593\u5727\u9020<\/strong>: \u30dc\u30eb\u30c8\u3001\u30cd\u30b8\u3001\u30ea\u30d9\u30c3\u30c8\u3092\u7cbe\u5ea6\uff08\u00b10.05mm\uff09\u3068\u6700\u5c0f\u9650\u306e\u6750\u6599\u5ec3\u68c4\u3067\u88fd\u9020\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30b9\u30c8\u30ec\u30b9\u89e3\u6d88<\/strong>: \u51b7\u9593\u52a0\u5de5\u5f8c\u306e 540 \uff5e 650\u00b0C (1004 \uff5e 1202\u00b0F) \u3067\u306e\u713c\u920d\u306b\u3088\u308a\u3001\u91cd\u8981\u306a\u7528\u9014\u306b\u9069\u3057\u305f\u5ef6\u6027\u304c\u56de\u5fa9\u3057\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">4320 \u30b9\u30c1\u30fc\u30eb\u30de\u30b7\u30f3<\/h2><p>AISI 4320\u92fc\u306f\u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3001\u65cb\u524a\u3001\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u3001\u7a74\u3042\u3051\u3001\u7814\u524a\u306a\u3069\u306e\u7cbe\u5bc6\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\u305f\u3081\u3001\u713c\u920d\u307e\u305f\u306f\u713c\u304d\u306a\u3089\u3057\u51e6\u7406\u3092\u65bd\u3057\u305f\u72b6\u614b\u3067\u6a5f\u68b0\u52a0\u5de5\u3092\u884c\u3046\u3068\u3001\u826f\u597d\u306a\u8868\u9762\u4ed5\u4e0a\u3052\u3068\u5bf8\u6cd5\u7cbe\u5ea6\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320 \u92fc\u6eb6\u63a5<\/h2><p>AISI 4320\u92fc\u306f\u3001\u7279\u306b150\uff5e300\u2103\uff08302\uff5e572\u00b0F\uff09\u306b\u4e88\u71b1\u3059\u308b\u3068\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u4e88\u71b1\u306f\u7834\u640d\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406\u306f\u3001\u5fdc\u529b\u3092\u8efd\u6e1b\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u90e8\u5206\u306e\u786c\u5ea6\u3092\u4e0b\u3052\u308b\u305f\u3081\u306b\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">4320\u92fc\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u5411\u4e0a&nbsp;<\/h2><p>SteelPro Group\u306f\u3001AISI 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\u8a8d\u8a3c\u751f\u7523\u3002<\/li>\n\n<li><strong>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9<\/strong>\uff1a\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u71b1\u51e6\u7406\uff08\u6d78\u70ad\u3001\u7a92\u5316\uff09\u3001CNC\u52a0\u5de5\uff08\u8a31\u5bb9\u8aa4\u5dee\u00b10.005mm\uff09\u3001\u8868\u9762\u4ed5\u4e0a\u3052\uff08\u7814\u524a\u3001\u7814\u78e8\uff09\u3002<\/li><\/ul><p>SteelPro Group\u306b\u4eca\u3059\u3050\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u7121\u6599\u306e\u6750\u6599\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u3001\u307e\u305f\u306f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u304a\u898b\u7a4d\u3082\u308a\u3092\u627f\u308a\u307e\u3059\u3002\u5171\u306b\u6c38\u7d9a\u7684\u306a\u8010\u4e45\u6027\u3092\u5b9f\u73fe\u3059\u308b\u8a2d\u8a08\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u3087\u3046\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Looking for a high-performance alloy steel that combines toughness, weldability, and wear resistance? AISI 4320 alloy steel stands out as [&hellip;]<\/p>","protected":false},"author":12,"featured_media":21358,"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":[4308],"tags":[],"class_list":["post-21368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alloy-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21368","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=21368"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21368\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/21358"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=21368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=21368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=21368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}