{"id":20166,"date":"2025-01-02T06:40:00","date_gmt":"2025-01-01T22:40:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20166"},"modified":"2025-02-06T17:35:21","modified_gmt":"2025-02-06T09:35:21","slug":"1045","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/tool-steel\/grades\/1045\/","title":{"rendered":"1045 \u70ad\u7d20\u92fc: \u7279\u6027\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u88fd\u54c1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">SteelPRO \u30b0\u30eb\u30fc\u30d7\u306f\u3001\u30d7\u30ec\u30fc\u30c8\u3084\u30d0\u30fc\u3092\u542b\u3080\u9ad8\u54c1\u8cea\u306e 1045 \u92fc\u88fd\u54c1\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u6750\u6599\u306f\u3001\u6a5f\u68b0\u52a0\u5de5\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u9ed2\u8272\u304a\u3088\u3073\u71b1\u9593\u5727\u5ef6\u72b6\u614b\u3067\u63d0\u4f9b\u3055\u308c\u3001\u3088\u308a\u6b63\u78ba\u306a\u5bf8\u6cd5\u3068\u5f37\u5316\u3055\u308c\u305f\u5f37\u5ea6\u306e\u305f\u3081\u306b\u6a19\u6e96\u5316\u3055\u308c\u305f\u72b6\u614b\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b5\u30a4\u30ba\u8a2d\u5b9a\u304a\u3088\u3073\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3 \u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0 \u30b5\u30fc\u30d3\u30b9\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1045 \u70ad\u7d20\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p class=\"wp-block-paragraph\">1045 \u92fc\u306f\u3001\u70ad\u7d20\u542b\u6709\u91cf\u304c\u7d04 0.45% \u306e\u4e2d\u70ad\u7d20\u92fc\u3067\u3059\u3002\u5f37\u5ea6\u3001\u976d\u6027\u3001\u5ef6\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u92fc\u306f\u4e3b\u306b\u3001\u9ad8\u5f37\u5ea6\u3068\u8010\u885d\u6483\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u6a5f\u68b0\u90e8\u54c1\u3001\u81ea\u52d5\u8eca\u90e8\u54c1\u3001\u7523\u696d\u7528\u30ae\u30a2\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u30021018 \u307e\u305f\u306f 1020 \u4f4e\u70ad\u7d20\u92fc\u3068\u6bd4\u8f03\u3057\u3066\u30011045 \u92fc\u306f\u3088\u308a\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f\u71b1\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u3067\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u6a5f\u68b0\u7684\u7279\u6027\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u71b1\u9593\u5727\u5ef6\u3055\u308c\u305f\u72b6\u614b\u306e 1045 \u92fc\u306f\u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3059\u3002\u6a19\u6e96\u5316\u3059\u308b\u3068\u3001\u6a5f\u68b0\u7684\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u30011045 \u306f\u706b\u708e\u307e\u305f\u306f\u9ad8\u5468\u6ce2\u713c\u5165\u308c\u306b\u3088\u308a\u8868\u9762\u786c\u5ea6\u3092 Rc 60 \u307e\u3067\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u8010\u6469\u8017\u6027\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u52b9\u679c\u7684\u306a\u51e6\u7406\u306e\u6700\u5927\u65ad\u9762\u30b5\u30a4\u30ba\u306f\u7d04 60 mm \u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5408\u91d1\u542b\u6709\u91cf\u304c\u5c11\u306a\u304f\u3001\u8868\u9762\u304c\u8106\u304f\u306a\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u305f\u3081\u30011045 \u70ad\u7d20\u92fc\u306e\u7a92\u5316\u307e\u305f\u306f\u30b7\u30a2\u30f3\u5316\u306f\u4e00\u822c\u306b\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002<\/p><h2 class=\"wp-block-heading\">1045\u92fc\u76f8\u5f53<\/h2><p class=\"wp-block-paragraph\">1045 \u92fc\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u306e\u30ea\u30b9\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>GB\/T 699<\/strong>: 45<\/li>\n\n<li><strong>JIS G 4051<\/strong>: S45C<\/li>\n\n<li><strong>ASTM A29\/A29M<\/strong>: 1045<\/li>\n\n<li><strong>17200 \u898f\u683c<\/strong>: C45\/1.1191<\/li>\n\n<li><strong>ISO<\/strong>: C45E4<\/li><\/ul><h2 class=\"wp-block-heading\">1045 \u70ad\u7d20\u92fc\u88fd\u54c1\u306e\u5f62\u72b6\u3068\u4f9b\u7d66\u7bc4\u56f2<\/h2><p class=\"wp-block-paragraph\">SteelPro Group \u306f\u3001\u56fd\u969b\u57fa\u6e96\u3092\u6e80\u305f\u3059 1045 \u7a2e\u985e\u306e\u9244\u92fc\u88fd\u54c1\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u51b7\u9593\u4ed5\u4e0a\u3052\u68d2\u92fc\u3001\u71b1\u9593\u5727\u5ef6\u68d2\u92fc\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30c1\u30e5\u30fc\u30d6\u3067\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30ba\u306b\u52a0\u3048\u3066\u3001\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u30ab\u30b9\u30bf\u30e0\u5bf8\u6cd5\u3082\u3054\u63d0\u4f9b\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>\u76f4\u5f84<\/strong><\/td><td><strong>\u9577\u3055<\/strong><\/td><td><strong>\u539a\u3055\/\u58c1<\/strong><\/td><\/tr><tr><td>\u30d0\u30fc<\/td><td>6 mm \uff5e 300 mm (0.24 \u30a4\u30f3\u30c1 \uff5e 11.8 \u30a4\u30f3\u30c1)<\/td><td>3000 mm \uff5e 6000 mm (118 \u30a4\u30f3\u30c1 \uff5e 236 \u30a4\u30f3\u30c1)<\/td><td>&#8211;<\/td><\/tr><tr><td>\u76bf\u3068\u30b7\u30fc\u30c8<\/td><td>&#8211;<\/td><td>2000 mm \uff5e 6000 mm (78.74 \u30a4\u30f3\u30c1 \uff5e 236.22 \u30a4\u30f3\u30c1)<\/td><td>5 mm \uff5e 100 mm (0.20 \u30a4\u30f3\u30c1 \uff5e 3.94 \u30a4\u30f3\u30c1)<\/td><\/tr><tr><td>\u30d1\u30a4\u30d7\u3068\u30c1\u30e5\u30fc\u30d6<\/td><td>20 mm \uff5e 200 mm (0.79 \u30a4\u30f3\u30c1 \uff5e 7.87 \u30a4\u30f3\u30c1)<\/td><td>6000 mm \uff5e 12000 mm (236.22 \u30a4\u30f3\u30c1 \uff5e 472.44 \u30a4\u30f3\u30c1)<\/td><td>2 mm \uff5e 20 mm (0.08 \u30a4\u30f3\u30c1 \uff5e 0.79 \u30a4\u30f3\u30c1)<\/td><\/tr><tr><td>\u935b\u9020\u54c1<\/td><td>20 mm \uff5e 400 mm (0.79 \u30a4\u30f3\u30c1 \uff5e 15.75 \u30a4\u30f3\u30c1)<\/td><td>100 mm \uff5e 1500 mm (3.94 \u30a4\u30f3\u30c1 \uff5e 59.06 \u30a4\u30f3\u30c1)<\/td><td>&#8211;<\/td><\/tr><tr><td>\u6a5f\u68b0\u52a0\u5de5\u7528\u4e38\u68d2<\/td><td>10 mm \uff5e 300 mm (0.39 \u30a4\u30f3\u30c1 \uff5e 11.8 \u30a4\u30f3\u30c1)<\/td><td>3000 mm \uff5e 6000 mm (118 \u30a4\u30f3\u30c1 \uff5e 236 \u30a4\u30f3\u30c1)<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1045 \u70ad\u7d20\u92fc\u306f\u826f\u3044\u3067\u3059\u304b?<\/h2><p class=\"wp-block-paragraph\">\u306f\u3044\u30021045 \u92fc\u306f\u67d4\u8edf\u6027\u304c\u3042\u308a\u3001\u5f37\u5ea6\u3001\u976d\u6027\u3001\u52a0\u5de5\u306e\u3057\u3084\u3059\u3055\u304c\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u7d44\u307f\u5408\u308f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ae\u30a2\u3084\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u306e\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u9ad8\u70ad\u7d20\u92fc\u307b\u3069\u786c\u304f\u306a\u304f\u3001\u8010\u6469\u8017\u6027\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p><h2 class=\"wp-block-heading\">1045\u70ad\u7d20\u92fc\u306e\u5316\u5b66\u7d44\u6210<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td>C<\/td><td>\u30e0\u30f3<\/td><td>P<\/td><td>S<\/td><\/tr><tr><td>0.43-0.5<\/td><td>0.6-0.9<\/td><td>\u22640.04<\/td><td>\u22640.05<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">1045\u70ad\u7d20\u92fc\u306e\u70ad\u7d20\u542b\u6709\u91cf<\/h3><p class=\"wp-block-paragraph\">1045 \u92fc\u306e 0.45% \u70ad\u7d20\u542b\u6709\u91cf\u306f\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u5f37\u5ea6\u3068\u786c\u5ea6\u3092\u9ad8\u3081\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u9ad8\u3044\u8868\u9762\u786c\u5ea6\u304c\u6c42\u3081\u3089\u308c\u308b\u30ae\u30a2\u3084\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u306e\u7528\u9014\u3067\u306f\u3001\u5b8c\u5168\u306b\u786c\u5316\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1045 \u70ad\u7d20\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>1450\uff5e1500\u2103<\/td><td>2642-2732 \u00b0F<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>51.9W\/mK<\/td><td>360 BTU-\u30a4\u30f3\u30c1\/\u6642-ft\u00b2-\u00b0F<\/td><\/tr><tr><td>\u6bd4\u71b1\u5bb9\u91cf<\/td><td>0.486 J\/g-\u00b0C\u3001\u2265100 \u00b0C<\/td><td>0.116 BTU\/lb-\u00b0F\u3001\u2265212 \u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">\u6b21\u306e\u8868\u306f\u30011045 \u92fc\u306e\u71b1\u81a8\u5f35\u4fc2\u6570 (CTE) \u3068\u713c\u304d\u623b\u3057\u6e29\u5ea6\u7bc4\u56f2\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>CTE (\u30e1\u30fc\u30c8\u30eb\u6cd5)<\/strong><\/td><td><strong>CTE (\u30e4\u30fc\u30c9\u30dd\u30f3\u30c9\u6cd5)<\/strong><\/td><td><strong>\u30c6\u30f3\u30d1\u30fc\uff08\u30e1\u30fc\u30c8\u30eb\u6cd5\uff09<\/strong><\/td><td><strong>\u6c17\u6027\uff08\u5e1d\u56fd\uff09<\/strong><\/td><\/tr><tr><td>11.5 \u00b5m\/m-\u00b0C<\/td><td>6.39 \u00b5in\/in-\u00b0F<\/td><td>0.000 \u2013 100 \u00b0C<\/td><td>32.0 \u2013 212 \u00b0F<\/td><\/tr><tr><td>11.9 \u00b5m\/m-\u00b0C<\/td><td>6.61 \u00b5in\/in-\u00b0F<\/td><td>25.0\uff5e200\u2103<\/td><td>77.0 \u2013 392 \u00b0F<\/td><\/tr><tr><td>12.6 \u00b5m\/m-\u00b0C<\/td><td>7.00 \u00b5in\/in-\u00b0F<\/td><td>25.0\uff5e300\u2103<\/td><td>77.0 \u2013 572 \u00b0F<\/td><\/tr><tr><td>13.5 \u00b5m\/m-\u00b0C<\/td><td>7.50 \u00b5in\/in-\u00b0F<\/td><td>25.0\uff5e400\u2103<\/td><td>77.0 \u2013 752 \u00b0F<\/td><\/tr><tr><td>14.4 \u00b5m\/m-\u00b0C<\/td><td>25.0\uff5e600\u2103<\/td><td>8.00 \u00b5in\/in-\u00b0F<\/td><td>77.0 \u2013 1110 \u00b0F<\/td><\/tr><tr><td>14.8 \u00b5m\/m-\u00b0C<\/td><td>25.0 \u2013 700 \u00b0C<\/td><td>8.22 \u00b5in\/in-\u00b0F<\/td><td>77.0 \u2013 1290 \u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1045\u70ad\u7d20\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>570\uff5e700MPa<\/td><td>82,600-101,500 psi<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>310\uff5e410MPa<\/td><td>45,000\uff5e60,000psi<\/td><\/tr><tr><td>\u4f38\u3073<\/td><td>12-18%<\/td><td>12-18%<\/td><\/tr><tr><td>\u786c\u5ea6\uff08HB\uff09<\/td><td>170-210 HB<\/td><td>170-210 HB<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027<\/td><td>27 J\uff08\u5e73\u5747\uff09<\/td><td>20 \u30d5\u30a3\u30fc\u30c8\u30dd\u30f3\u30c9<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>210 GPa<\/td><td>30.5 x 10\u2076 psi<\/td><\/tr><tr><td>\u30dd\u30a2\u30bd\u30f3\u6bd4<\/td><td>0.29<\/td><td>0.29<\/td><\/tr><tr><td>\u305b\u3093\u65ad\u5f3e\u6027\u4fc2\u6570<\/td><td>80.0 \u4e07\u6c17\u5727<\/td><td>11600ksi<\/td><\/tr><tr><td>\u4f53\u7a4d\u5f3e\u6027\u7387<\/td><td>163GPa<\/td><td>23600ksi<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">1045\u70ad\u7d20\u92fc\u306e\u935b\u9020<\/h2><p class=\"wp-block-paragraph\">\u307e\u305a\u92fc\u3092 750 \uff5e 800\u00b0C \u306b\u4e88\u71b1\u3057\u307e\u3059\u3002\u3053\u306e\u7bc4\u56f2\u306b\u9054\u3057\u305f\u3089\u30011100 \uff5e 1200\u00b0C \u307e\u3067\u52a0\u71b1\u3092\u7d9a\u3051\u3001\u65ad\u9762\u5168\u4f53\u306e\u6e29\u5ea6\u304c\u5747\u4e00\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002850\u00b0C \u672a\u6e80\u3067\u306f\u5ef6\u6027\u304c\u5927\u5e45\u306b\u4f4e\u4e0b\u3057\u3001\u5272\u308c\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3001850\u00b0C \u672a\u6e80\u3067\u935b\u9020\u3057\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\">\u935b\u9020\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u6750\u6599\u3092\u7a7a\u51b7\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1045\u70ad\u7d20\u92fc\u306e\u71b1\u51e6\u7406<\/h2><h3 class=\"wp-block-heading\">\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/h3><p class=\"wp-block-paragraph\">\u92fc\u3092 800 \uff5e 850\u00b0C (1472 \uff5e 1562\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u5747\u4e00\u306b\u306a\u308b\u307e\u3067\u305d\u306e\u6e29\u5ea6\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7089\u5185\u3067\u6750\u6599\u3092\u3086\u3063\u304f\u308a\u51b7\u5374\u3057\u3001\u671b\u307e\u3057\u3044\u67d4\u3089\u304b\u3055\u3068\u5ef6\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30b9\u30c8\u30ec\u30b9\u89e3\u6d88<\/h3><p class=\"wp-block-paragraph\">\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u92fc\u3092\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7bc4\u56f2\u306e 820 \uff5e 860\u00b0C (1508 \uff5e 1580\u00b0F) \u307e\u3067\u52a0\u71b1\u3057\u307e\u3059\u3002\u92fc\u304c\u3053\u306e\u6e29\u5ea6\u306b\u9054\u3057\u305f\u3089\u3001\u5fc5\u8981\u306a\u786c\u5ea6\u306b\u5fdc\u3058\u3066\u6c34\u307e\u305f\u306f\u6cb9\u3067\u51b7\u5374\u3057\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u713c\u5165\u308c\u5f8c\u3001\u30b1\u30fc\u30b9\u306e\u786c\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305a\u306b\u5fdc\u529b\u3092\u89e3\u653e\u3059\u308b\u305f\u3081\u306b\u3001\u6750\u6599\u3092 150 \uff5e 200\u00b0C (302 \uff5e 392\u00b0F) \u3067\u713c\u304d\u623b\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u786c\u5316<\/h3><p class=\"wp-block-paragraph\">\u92fc\u3092 820 \uff5e 850\u00b0C (1508 \uff5e 1562\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u65ad\u9762\u306e\u539a\u3055 25 mm (1 \u30a4\u30f3\u30c1) \u3054\u3068\u306b 10 \uff5e 15 \u5206\u9593\u6d78\u6f2c\u3057\u3066\u3001\u71b1\u304c\u5747\u7b49\u306b\u6d78\u900f\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u92fc\u3092\u6c34\u307e\u305f\u306f\u5869\u6c34\u306b\u6d78\u3057\u3066\u6025\u51b7\u3057\u307e\u3059\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\">\u3042\u308b\u3044\u306f\u3001830\uff5e860\u00b0C (1526\uff5e1580\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u6cb9\u306b\u6d78\u3057\u3066\u304b\u3089\u713c\u304d\u5165\u308c\u3057\u307e\u3059\u3002\u624b\u3067\u6e29\u3081\u3089\u308c\u308b\u6e29\u5ea6\u307e\u3067\u51b7\u3081\u305f\u3089\u3001\u3059\u3050\u306b\u92fc\u3092\u713c\u304d\u5165\u308c\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30ce\u30fc\u30de\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3<\/h3><p class=\"wp-block-paragraph\">\u92fc\u3092 870 \uff5e 920\u00b0C (1598 \uff5e 1688\u00b0F) \u306b\u52a0\u71b1\u3057\u300110 \uff5e 15 \u5206\u9593\u6d78\u3057\u3066\u6e29\u5ea6\u3092\u5747\u4e00\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7a7a\u6c17\u4e2d\u3067\u51b7\u5374\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u7d50\u6676\u69cb\u9020\u304c\u6539\u5584\u3055\u308c\u3001\u6750\u6599\u306e\u52a0\u5de5\u3057\u3084\u3059\u3055\u3068\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u30b9\u30c8\u30ec\u30b9\u89e3\u6d88<\/h3><p class=\"wp-block-paragraph\">\u92fc\u3092 550 \uff5e 660\u00b0C (1022 \uff5e 1220\u00b0F) \u306b\u52a0\u71b1\u3057\u3001\u65ad\u9762\u306e\u539a\u3055 25 mm (1 \u30a4\u30f3\u30c1) \u3054\u3068\u306b 1 \u6642\u9593\u6d78\u3057\u307e\u3059\u3002\u9759\u6b62\u7a7a\u6c17\u4e2d\u3067\u3086\u3063\u304f\u308a\u51b7\u5374\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u92fc\u306e\u786c\u5ea6\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u3001\u5185\u90e8\u5fdc\u529b\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">\u713c\u304d\u623b\u3057<\/h3><p class=\"wp-block-paragraph\">\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u92fc\u3092 400 \uff5e 650\u00b0C (752 \uff5e 1202\u00b0F) \u306b\u518d\u52a0\u71b1\u3057\u3001\u65ad\u9762\u306e\u539a\u3055 25 mm (1 \u30a4\u30f3\u30c1) \u3054\u3068\u306b 1 \u6642\u9593\u6d78\u3057\u307e\u3059\u3002\u6d78\u3057\u305f\u5f8c\u3001\u6750\u6599\u3092\u9759\u6b62\u7a7a\u6c17\u4e2d\u3067\u51b7\u5374\u3057\u307e\u3059\u3002\u713c\u304d\u623b\u3057\u306b\u3088\u308a\u8106\u3055\u304c\u8efd\u6e1b\u3055\u308c\u3001\u976d\u6027\u304c\u5411\u4e0a\u3057\u3001\u92fc\u304c\u5fc5\u8981\u306a\u786c\u5ea6\u3092\u7dad\u6301\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1045\u92fc\u306e\u52a0\u5de5<\/h2><p class=\"wp-block-paragraph\">1045 \u92fc\u306f\u3001\u7279\u306b\u6b63\u898f\u5316\u307e\u305f\u306f\u71b1\u9593\u5727\u5ef6\u3055\u308c\u305f\u72b6\u614b\u3067\u306f\u3001\u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3059\u3002\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u7279\u5b9a\u306e\u64cd\u4f5c\u306b\u5408\u308f\u305b\u3066\u5207\u524a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3057\u3001\u4e0d\u8981\u306a\u6469\u8017\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u30c4\u30fc\u30eb\u3092\u92ed\u5229\u306b\u4fdd\u3064\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u51b7\u5374\u5264\u306e\u4f7f\u7528\u3082\u3001\u52b9\u7387\u3092\u7dad\u6301\u3057\u3001\u30c4\u30fc\u30eb\u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p><p class=\"wp-block-paragraph\">\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066 1045 \u92fc\u3092\u52a0\u5de5\u3059\u308b\u969b\u306b\u30ac\u30a4\u30c0\u30f3\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002<\/p><h2 class=\"wp-block-heading\">1045\u92fc\u306e\u6eb6\u63a5<\/h2><p class=\"wp-block-paragraph\">1045 \u92fc\u306f\u6eb6\u63a5\u53ef\u80fd\u3067\u3059\u304c\u3001\u5272\u308c\u308b\u5371\u967a\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5b8c\u5168\u306b\u786c\u5316\u307e\u305f\u306f\u713c\u304d\u5165\u308c\u3055\u308c\u305f\u72b6\u614b\u3067\u306e\u6eb6\u63a5\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\">\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u4f4e\u6c34\u7d20\u96fb\u6975\u306e\u4f7f\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u539a\u3044\u90e8\u5206\u306e\u5834\u5408\u306f\u3001\u92fc\u3092 150 \uff5e 250\u00b0C (300 \uff5e 480\u00b0F) \u306b\u4e88\u71b1\u3059\u308b\u3068\u52b9\u679c\u7684\u3067\u3059\u3002\u5fdc\u529b\u3092\u7de9\u548c\u3057\u3001\u6750\u6599\u306e\u7279\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406 (PWHT) \u3082\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">1045 \u92fc\u306f\u4f55\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304b?<\/h2><p class=\"wp-block-paragraph\">1.2312 \u92fc\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u5c04\u51fa\u6210\u5f62\u91d1\u578b<\/strong>\uff1a \u306e\u305f\u3081\u306b <strong>\u81ea\u52d5\u8eca\u90e8\u54c1<\/strong> \u30d0\u30f3\u30d1\u30fc\u3084\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306a\u3069\u3002<\/li>\n\n<li><strong>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b<\/strong>\uff1a \u306e\u305f\u3081\u306b <strong>\u5bb6\u96fb\u88fd\u54c1\u306e\u7b50\u4f53<\/strong> \u305d\u3057\u3066 <strong>\u5bb6\u96fb<\/strong>.<\/li>\n\n<li><strong>\u30c0\u30a4\u30ab\u30b9\u30c8<\/strong>\uff1a \u306e\u305f\u3081\u306b <strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af<\/strong> \u305d\u3057\u3066 <strong>\u4e9c\u925b\u6210\u5206<\/strong>.<\/li>\n\n<li><strong>\u30d6\u30ed\u30fc\u6210\u5f62<\/strong>\uff1a \u306e\u305f\u3081\u306b <strong>\u30da\u30c3\u30c8\u30dc\u30c8\u30eb<\/strong>.<\/li>\n\n<li><strong>\u30c4\u30fc\u30ea\u30f3\u30b0<\/strong>\uff1a \u306e\u305f\u3081\u306b <strong>\u30b8\u30b0<\/strong> \u305d\u3057\u3066 <strong>\u5099\u54c1<\/strong> \u822a\u7a7a\u5b87\u5b99\u304a\u3088\u3073\u81ea\u52d5\u8eca\u696d\u754c\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">1045 \u92fc\u306f\u30ca\u30a4\u30d5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304b?<\/h3><p class=\"wp-block-paragraph\">1045\u92fc\u306f\u30ca\u30a4\u30d5\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304c\u3001\u9ad8\u6027\u80fd\u306e\u5207\u524a\u5de5\u5177\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u5f37\u5ea6\u306f\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8010\u6469\u8017\u6027\u3068\u5203\u6301\u3061\u306f\u4ed6\u306e\u92fc\u3088\u308a\u3082\u52a3\u308a\u307e\u3059\u3002 <a href=\"https:\/\/steelprogroup.com\/ja\/high-carbon-steel\/\">\u9ad8\u70ad\u7d20\u92fc<\/a> 1095 \u3084 D2 \u306a\u3069\u3002<\/p><h2 class=\"wp-block-heading\">1045 \u30b9\u30c1\u30fc\u30eb VS 4140 \u30b9\u30c1\u30fc\u30eb<\/h2><p class=\"wp-block-paragraph\">4140 \u92fc\u306b\u306f\u30af\u30ed\u30e0\u3068\u30e2\u30ea\u30d6\u30c7\u30f3\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u786c\u5316\u6027\u3001\u8010\u6469\u8017\u6027\u3001\u9ad8\u6e29\u3067\u306e\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u5fdc\u529b\u306e\u304b\u304b\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u4e00\u65b9\u30011045 \u306f\u3088\u308a\u624b\u9803\u306a\u4fa1\u683c\u3067\u6a5f\u68b0\u52a0\u5de5\u3082\u7c21\u5358\u3067\u3059\u304c\u30014140 \u307b\u3069\u306e\u5f37\u5ea6\u3068\u8010\u4e45\u6027\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p><h2 class=\"wp-block-heading\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u306a 1045 \u92fc\u6750\u3092\u5165\u624b<\/h2><p class=\"wp-block-paragraph\">SteelPro Group\u306f\u3001\u51b7\u9593\u4ed5\u4e0a\u3052\u3001\u71b1\u9593\u5727\u5ef6\u3001\u30ab\u30b9\u30bf\u30e0\u30b5\u30a4\u30ba\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u306e1045\u92fc\u3092\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/steelprogroup.com\/ja\/tool-steel\/cr12mov\/\">D2\u5de5\u5177\u92fc<\/a>\u30d6\u30ec\u30fc\u30c9\u306a\u3069\u306e\u9ad8\u6027\u80fd\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002&nbsp;<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPRO Group offers high-quality 1045 steel products, including plates and bars. Our materials are available in black and hot-rolled states [&hellip;]<\/p>","protected":false},"author":1,"featured_media":20158,"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-20166","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\/20166","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/comments?post=20166"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/20166\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/20158"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=20166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=20166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=20166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}