{"id":21767,"date":"2025-03-28T06:31:00","date_gmt":"2025-03-27T22:31:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21767"},"modified":"2025-03-31T09:29:57","modified_gmt":"2025-03-31T01:29:57","slug":"maraging-300-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/alloy-steel\/maraging-300-steel\/","title":{"rendered":"\u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0 300 \u5408\u91d1\u92fc AMS 6514 | UNS K93120"},"content":{"rendered":"<p>\u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0 300 \u5408\u91d1\u92fc\u306f\u3001\u512a\u308c\u305f\u5f37\u5ea6\u3068\u8010\u8150\u98df\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u9632\u885b\u3001\u7cbe\u5bc6\u5de5\u5177\u306b\u6700\u9069\u3067\u3059\u3002SteelPro Group \u3067\u306f\u3001\u91cd\u8981\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306b\u3001\u30d0\u30fc\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30b7\u30fc\u30c8\u306e\u5f62\u3067\u8a8d\u5b9a AMS 6514 \u6750\u6599\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u305d\u306e\u7279\u6027\u3001\u6280\u8853\u4ed5\u69d8\u3001\u304a\u3088\u3073\u4fe1\u983c\u3067\u304d\u308b\u8abf\u9054\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">AISI \u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0 300 \u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2><p>\u30de\u30ec\u30fc\u30b8\u30f3\u30b0 300 (AMS 6514\/UNS K93120) \u306f\u3001\u8d85\u9ad8\u5f37\u5ea6\u3001\u9ad8\u976d\u6027\u3001\u9ad8\u6a5f\u68b0\u52a0\u5de5\u6027\u3067\u77e5\u3089\u308c\u308b 18% \u30cb\u30c3\u30b1\u30eb\u3001\u30b3\u30d0\u30eb\u30c8\u5f37\u5316\u92fc\u5408\u91d1\u3067\u3059\u3002\u30de\u30ec\u30fc\u30b8\u30f3\u30b0 300 \u306f\u6eb6\u63a5\u6027\u306b\u512a\u308c\u3001450\u00b0C \u307e\u3067\u5f37\u5ea6\u3092\u7dad\u6301\u3057\u3001\u512a\u308c\u305f\u6975\u4f4e\u6e29\u976d\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7279\u6027\u306b\u3088\u308a\u3001\u822a\u7a7a\u5b87\u5b99\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u3001\u30df\u30b5\u30a4\u30eb\u90e8\u54c1\u3001\u9ad8\u5fdc\u529b\u5de5\u5177\u306b\u6700\u9069\u3067\u3059\u3002\u30de\u30ec\u30fc\u30b8\u30f3\u30b0 250 \u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u5f37\u5ea6\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u5ef6\u6027\u306f\u308f\u305a\u304b\u306b\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p><p>Maraging 300 \u306f\u3001\u4e8c\u91cd\u771f\u7a7a\u6eb6\u89e3 (VIM + VAR) \u3092\u4f7f\u7528\u3057\u3066\u88fd\u9020\u3055\u308c\u3001\u4e0d\u7d14\u7269\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u5747\u4e00\u306a\u5fae\u7d30\u69cb\u9020\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u6750\u6599\u306f\u713c\u304d\u306a\u307e\u3057\u72b6\u614b (RC 30-35) \u3067\u63d0\u4f9b\u3055\u308c\u308b\u305f\u3081\u3001\u67d4\u3089\u304b\u304f\u3001\u6a5f\u68b0\u52a0\u5de5\u3084\u6210\u5f62\u304c\u5bb9\u6613\u3067\u3059\u3002482\u00b0C (900\u00b0F) \u3067\u306e\u7c21\u5358\u306a\u71b1\u51e6\u7406\u306b\u3088\u308a\u300111% \u306e\u4f38\u3073\u3068\u512a\u308c\u305f\u30ce\u30c3\u30c1\u885d\u6483\u8010\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u964d\u4f0f\u5f37\u5ea6\u304c 1,862 MPa (270 ksi) \u4ee5\u4e0a\u306b\u5897\u52a0\u3057\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">\u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0 300 \u5408\u91d1\u92fc\u306e\u7279\u6027\u306e\u6982\u8981<\/h2><ul class=\"wp-block-list\"><li><strong>\u8d85\u9ad8\u5f15\u5f35\u5f37\u5ea6<\/strong>: \u6642\u52b9\u51e6\u7406\u5f8c\u3001\u5f93\u6765\u306e\u5de5\u5177\u92fc\u3092\u4e0a\u56de\u308b2000\uff5e2400MPa\u3092\u9054\u6210\u3002<\/li>\n\n<li><strong>\u9ad8\u3044\u5727\u7e2e\u5f37\u5ea6<\/strong>: \u6975\u5ea6\u306e\u5727\u529b\u4e0b\u3067\u3082\u5909\u5f62\u3057\u306b\u304f\u304f\u3001\u9ad8\u8ca0\u8377\u5de5\u5177\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n<li><strong>\u512a\u308c\u305f\u75b2\u52b4\u8010\u6027<\/strong>: \u822a\u7a7a\u5b87\u5b99\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u304a\u3088\u3073\u30ed\u30fc\u30bf\u30fc\u90e8\u54c1\u306e\u5468\u671f\u7684\u8377\u91cd\u306b\u8010\u3048\u307e\u3059\u3002<\/li>\n\n<li><strong>\u4e88\u71b1\u306a\u3057\u3067\u306e\u6eb6\u63a5\u6027<\/strong>: \u6eb6\u63a5\u5f8c\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3057\u3001\u4fee\u7406\u3084\u7d44\u307f\u7acb\u3066\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n<li><strong>\u6a5f\u68b0\u52a0\u5de5\u6027\u3068\u6210\u5f62\u6027<\/strong>: \u8edf\u8cea\u713c\u920d\u72b6\u614b\u306b\u3088\u308a\u3001\u8907\u96d1\u306a\u5f62\u72b6\u3001\u51b7\u9593\u6210\u5f62\u3001\u304a\u3088\u3073\u6642\u52b9\u524d\u306e\u93e1\u9762\u7814\u78e8\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n<li><strong>\u8010\u8150\u98df\u6027\u3068\u8010\u4e80\u88c2\u6027<\/strong>: \u6d77\u6c34\u3084\u9178\u6027\u306e\u74b0\u5883\u306b\u304a\u3044\u3066\u6a19\u6e96\u7684\u306a\u92fc\u3088\u308a\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">\u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0300\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>\u2264 0.03<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>\u2264 0.1<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>\u2264 0.1<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u2264 0.01<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u2264 0.01<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>18 ~ 19<\/td><\/tr><tr><td>\u30b3\u30d0\u30eb\u30c8\uff08Co\uff09<\/td><td>8.5 ~ 9.5<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>4.6 ~ 5.2<\/td><\/tr><tr><td>\u30c1\u30bf\u30f3\uff08Ti\uff09<\/td><td>0.5 ~ 0.8<\/td><\/tr><tr><td>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\uff08Al\uff09<\/td><td>0.05 ~ 0.15<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>\u2264 0.5<\/td><\/tr><tr><td>\u9285\uff08Cu\uff09<\/td><td>\u2264 0.5<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u30de\u30ec\u30fc\u30b8\u30f3\u30b0300\u92fc\u306e\u6a5f\u68b0\u7684\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>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb<\/strong><\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6\uff08\u7d4c\u5e74\u5909\u5316\uff09<\/td><td>1862 MPa<\/td><td>270ksi<\/td><\/tr><tr><td>\u6700\u5927\u5f15\u5f35\u5f37\u5ea6<\/td><td>2000\uff5e2400MPa<\/td><td>290\uff5e348ksi<\/td><\/tr><tr><td>\u4f38\u9577\uff08\u719f\u6210\uff09<\/td><td>0.11<\/td><td>0.11<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u713c\u304d\u306a\u307e\u3057\uff09<\/td><td>30\uff5e35HRC<\/td><td>30\uff5e35HRC<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u719f\u6210\uff09<\/td><td>50\uff5e55HRC<\/td><td>50\uff5e55HRC<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u30de\u30ec\u30fc\u30b8\u30f3\u30b0300\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\u30fc\u30c8\u30eb<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb<\/strong><\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>7.99g\/cm\u00b3<\/td><td>0.289 lb\/in\u00b3<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>190GPa<\/td><td>27.5 \u00d7 10\u2076 psi<\/td><\/tr><tr><td>\u71b1\u81a8\u5f35<\/td><td>10.08 \u03bcm\/m\u00b7\u00b0C (20\uff5e100\u00b0C)<\/td><td>5.6 \u00d7 10\u207b\u2076 \u30a4\u30f3\u30c1\/\u30a4\u30f3\u30c1\/\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u30de\u30eb\u30a8\u30fc\u30b8\u30f3\u30b0 300 \u92fc\u68d2 | \u30d7\u30ec\u30fc\u30c8 | \u30b7\u30fc\u30c8\u4ed5\u69d8<\/h2><p>\u5f53\u793e\u306e Maraging 300 \u92fc\u306f\u3001\u30d0\u30fc\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30b7\u30fc\u30c8\u3001\u30c1\u30e5\u30fc\u30d6\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u88fd\u54c1\u5f62\u614b\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30e0\u5bf8\u6cd5\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30c1\u30fc\u30e0\u306f\u3001\u88fd\u54c1\u304c AMS 6514 \u304a\u3088\u3073 AMS 6521 \u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u8fc5\u901f\u306a\u7d0d\u54c1\u306e\u305f\u3081\u306e\u6a19\u6e96\u5728\u5eab\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u88fd\u54c1\u5f62\u614b<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb\u6cd5\u5bf8\u6cd5<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u5bf8\u6cd5<\/strong><\/td><\/tr><tr><td rowspan=\"2\">\u4e38\u68d2<\/td><td>\u76f4\u5f84: 10\uff5e300 mm<\/td><td>\u76f4\u5f84: 0.4\uff5e12\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u9577\u3055: 1,000\uff5e6,000 mm<\/td><td>\u9577\u3055: 39\uff5e236\u30a4\u30f3\u30c1<\/td><\/tr><tr><td rowspan=\"2\">\u30d7\u30ec\u30fc\u30c8<\/td><td>\u539a\u3055: 5\uff5e150 mm<\/td><td>\u539a\u3055: 0.2\uff5e6\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u5e45: 500\uff5e2,000 mm<\/td><td>\u5e45: 20\uff5e79\u30a4\u30f3\u30c1<\/td><\/tr><tr><td rowspan=\"2\">\u30b7\u30fc\u30c4<\/td><td>\u539a\u3055: 0.5\uff5e5 mm<\/td><td>\u539a\u3055: 0.02\uff5e0.2\u30a4\u30f3\u30c1<\/td><\/tr><tr><td>\u5e45: 1,000\uff5e1,500 mm<\/td><td>\u5e45: 39\uff5e59\u30a4\u30f3\u30c1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u30de\u30ec\u30fc\u30b8\u30f3\u30b0 300 \u30b9\u30c1\u30fc\u30eb\u306e\u7528\u9014<\/h2><ul class=\"wp-block-list\"><li><strong>\u822a\u7a7a\u5b87\u5b99\u90e8\u54c1<\/strong>: \u8d85\u9ad8\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4\u3092\u5fc5\u8981\u3068\u3059\u308b\u7740\u9678\u88c5\u7f6e\u3001\u30ed\u30b1\u30c3\u30c8\u30e2\u30fc\u30bf\u30fc\u30b1\u30fc\u30b9\u3001\u30bf\u30fc\u30d3\u30f3\u30b7\u30e3\u30d5\u30c8\u3002<\/li>\n\n<li><strong>\u9632\u885b\u30b7\u30b9\u30c6\u30e0<\/strong>: \u30df\u30b5\u30a4\u30eb\u767a\u5c04\u7ba1\u3001\u88c5\u7532\u8eca\u4e21\u90e8\u54c1\u3001\u8010\u7206\u6027\u306e\u305f\u3081\u306e\u5175\u5668\u90e8\u54c1\u3002<\/li>\n\n<li><strong>\u7cbe\u5bc6\u5de5\u5177<\/strong>: \u5468\u671f\u7684\u306a\u71b1\u5fdc\u529b\u306b\u3055\u3089\u3055\u308c\u308b\u5c04\u51fa\u6210\u5f62\u91d1\u578b\u3001\u62bc\u3057\u51fa\u3057\u6210\u5f62\u91d1\u578b\u3001\u935b\u9020\u5de5\u5177\u3002<\/li>\n\n<li><strong>\u9ad8\u6027\u80fd\u30b7\u30e3\u30d5\u30c8<\/strong>: \u767a\u96fb\u8a2d\u5099\u306e\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u304a\u3088\u3073\u30ed\u30fc\u30bf\u30fc\u90e8\u54c1\u3002<\/li>\n\n<li><strong>\u533b\u7642\u6a5f\u5668<\/strong>\u751f\u4f53\u9069\u5408\u6027\u3068\u6ec5\u83cc\u6027\u3092\u5fc5\u8981\u3068\u3059\u308b\u5916\u79d1\u7528\u5668\u5177\u304a\u3088\u3073\u30a4\u30f3\u30d7\u30e9\u30f3\u30c8\u5668\u5177\u3002<\/li><\/ul><p><strong><em>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b Maraging 300 \u304c\u5fc5\u8981\u3067\u3059\u304b?<\/em><\/strong><em> SteelPro Group \u306f\u3001AMS 6514 \u8a8d\u5b9a\u6750\u6599\u3092\u8fc5\u901f\u306b\u7d0d\u54c1\u3057\u307e\u3059\u3002<\/em><\/p><h2 class=\"wp-block-heading\">\u30de\u30ec\u30fc\u30b8\u30f3\u30b0 300 \u92fc\u306e\u88fd\u9020\u3068\u52a0\u5de5<\/h2><h3 class=\"wp-block-heading\">1. \u6eb6\u89e3\u3068\u92f3\u9020<\/h3><ul class=\"wp-block-list\"><li><strong>\u4e8c\u91cd\u771f\u7a7a\u7cbe\u88fd<\/strong>\u771f\u7a7a\u8a98\u5c0e\u6eb6\u89e3\u6cd5\uff08VIM\uff09\u3068\u771f\u7a7a\u30a2\u30fc\u30af\u518d\u6eb6\u89e3\u6cd5\uff08VAR\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4e0d\u7d14\u7269\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\uff08C \u22640.03%\u3001S\/P \u22640.01%\uff09\u3001\u5747\u4e00\u306a\u5fae\u7d30\u69cb\u9020\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30a4\u30f3\u30b4\u30c3\u30c8\u5f62\u6210<\/strong>: \u30d3\u30ec\u30c3\u30c8\u307e\u305f\u306f\u30b9\u30e9\u30d6\u306b\u92f3\u9020\u3057\u3001\u305d\u306e\u5f8c\u306e\u71b1\u9593\/\u51b7\u9593\u52a0\u5de5\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">2.\u71b1\u51e6\u7406<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u30d7\u30ed\u30bb\u30b9<\/strong><\/td><td><strong>\u6e29\u5ea6<\/strong><\/td><td><strong>\u6642\u9593<\/strong><\/td><td><strong>\u7d50\u679c<\/strong><\/td><\/tr><tr><td><strong>\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0<\/strong><\/td><td>815\uff5e870\u2103\uff081500\uff5e1600\u2109\uff09<\/td><td>\u539a\u30551\u30a4\u30f3\u30c1\u3042\u305f\u308a1\u6642\u9593<\/td><td>\u6a5f\u68b0\u52a0\u5de5\u306e\u6e96\u5099\u3068\u3057\u3066\u3001\u6750\u6599\u3092\u8edf\u5316\u3055\u305b\u307e\u3059 (30\uff5e35 HRC)\u3002<\/td><\/tr><tr><td><strong>\u6a19\u6e96\u30a8\u30a4\u30b8\u30f3\u30b0<\/strong><\/td><td>482\uff5e496\u2103\uff08900\uff5e925\u00b0F\uff09<\/td><td>6\u6642\u9593<\/td><td>\u30d4\u30fc\u30af\u5f37\u5ea6\uff0850\uff5e55 HRC\u30012000 MPa\u4ee5\u4e0a\uff09\u3002<\/td><\/tr><tr><td><strong>\u5c02\u9580\u7684\u306a\u8001\u5316<\/strong><strong>\uff08\u30c0\u30a4\u30ab\u30b9\u30c8\u7528\uff09<\/strong><\/td><td>527\uff5e538\u2103\uff08980\uff5e1000\u00b0F\uff09<\/td><td>6\u6642\u9593<\/td><td>\u92f3\u9020\u7528\u9014\u306e\u91d1\u578b\u5bff\u547d\u304c\u5ef6\u9577\u3055\u308c\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">3. \u6210\u5f62\u4f5c\u696d<\/h3><ul class=\"wp-block-list\"><li><strong>\u71b1\u9593\/\u51b7\u9593\u52a0\u5de5<\/strong>: \u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u4e2d\u9593\u713c\u920d\u306a\u3057\u3067\u5727\u5ef6\u3001\u935b\u9020\u3001\u62bc\u3057\u51fa\u3057\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u51b7\u9593\u5727\u5ef6\u3067\u306f\u3001\u5272\u308c\u306a\u3057\u3067\u6700\u5927 90% \u306e\u5727\u4e0b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n<li><strong>\u30cb\u30a2\u30cd\u30c3\u30c8\u30b7\u30a7\u30a4\u30d7<\/strong>: \u30ab\u30b9\u30bf\u30e0\u935b\u9020\u54c1\u3068\u30d7\u30ea\u30d5\u30a9\u30fc\u30e0\u306b\u3088\u308a\u3001\u822a\u7a7a\u5b87\u5b99\u90e8\u54c1\u306e\u6a5f\u68b0\u52a0\u5de5\u5ec3\u68c4\u7269\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">4. \u52a0\u5de5\u6280\u8853<\/h3><ul class=\"wp-block-list\"><li><strong>\u30bf\u30fc\u30cb\u30f3\u30b0<\/strong>: \u8d85\u786c\u5de5\u5177 (C3 \u30b0\u30ec\u30fc\u30c9)\u3001\u53ef\u6eb6\u6027\u30aa\u30a4\u30eb\u51b7\u5374\u306b\u3088\u308b 475 \u30d5\u30a3\u30fc\u30c8\/\u5206\u3067 Ra \u22640.4 \u03bcm \u4ed5\u4e0a\u3052\u3002<\/li>\n\n<li><strong>\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\/\u7a74\u3042\u3051\u52a0\u5de5<\/strong>: \u5207\u308a\u304f\u305a\u306e\u6392\u51fa\u306b\u786b\u5316\u6cb9\u3092\u4f7f\u7528\u3057\u3001\u9001\u308a\u901f\u5ea6 0.002\uff5e0.009 \u30a4\u30f3\u30c1\/\u6b6f\u306e M2 \u9ad8\u901f\u92fc\u30ab\u30c3\u30bf\u30fc\u3092\u4f7f\u7528\u3002<\/li>\n\n<li><strong>\u8a31\u5bb9\u7bc4\u56f2\u5236\u5fa1<\/strong>: \u30ed\u30b1\u30c3\u30c8\u30b1\u30fc\u30b9\u306a\u3069\u306e\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u90e8\u54c1\u306e\u7cbe\u5ea6\u306f \u00b10.002 \u30a4\u30f3\u30c1 (\u00b10.05 mm) \u3067\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">5. \u63a5\u5408\u3068\u4fee\u7406<\/h3><ul class=\"wp-block-list\"><li><strong>\u6eb6\u63a5<\/strong>: \u4e88\u71b1\u306f\u4e0d\u8981\u3067\u3059\u3002\u6eb6\u63a5\u5f8c\u306e\u30a8\u30fc\u30b8\u30f3\u30b0\u306b\u3088\u308a\u3001HAZ \u7279\u6027\u304c\u57fa\u672c\u5f37\u5ea6\u306e 95% \u306b\u56de\u5fa9\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30ea\u30ef\u30fc\u30af\u4e92\u63db\u6027<\/strong>: \u640d\u50b7\u3057\u305f\u30c4\u30fc\u30eb\/\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u4e8c\u6b21\u8010\u7528\u5e74\u6570\u306e\u305f\u3081\u306b\u518d\u30a8\u30fc\u30b8\u30f3\u30b0\u307e\u305f\u306f\u518d\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">6. \u8868\u9762\u5f37\u5316<\/h3><ul class=\"wp-block-list\"><li><strong>\u96fb\u89e3\u7814\u78e8<\/strong>: \u533b\u7642\u6a5f\u5668\u3084\u5149\u5b66\u30c4\u30fc\u30eb\u5411\u3051\u306b Ra &lt;0.2 \u03bcm \u3092\u5b9f\u73fe\u3002<\/li>\n\n<li><strong>\u30b9\u30c8\u30ec\u30b9\u89e3\u6d88<\/strong>: 315\u00b0C (600\u00b0F) \u306e\u4f4e\u6e29\u30a2\u30cb\u30fc\u30eb\u306b\u3088\u308a\u3001\u8907\u96d1\u306a\u5f62\u72b6\u306e\u6b6a\u307f\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">\u8a8d\u5b9a\u3055\u308c\u305f Maraging 300 \u92fc\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u6700\u9069\u5316<\/h2><p>\u6bd4\u985e\u306e\u306a\u3044\u5f37\u5ea6\u3068\u7cbe\u5ea6\u304c\u6c42\u3081\u3089\u308c\u308b\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u7528\u9014\u5411\u3051\u306b\u3001SteelPro \u306f AMS 6514 \u304a\u3088\u3073 MIL-S-46850 \u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u305f Maraging 300 \u92fc\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u5728\u5eab\u306b\u306f\u6a19\u6e96\u30b5\u30a4\u30ba\u306e\u30d0\u30fc\u3001\u30d7\u30ec\u30fc\u30c8\u3001\u30c1\u30e5\u30fc\u30d6\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u3059\u3079\u3066 \u00b10.002 \u30a4\u30f3\u30c1\u306e\u8a31\u5bb9\u8aa4\u5dee\u3067\u8a2d\u8a08\u56f3\u306b\u6b63\u78ba\u306b\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Maraging 300 alloy steel offers exceptional strength and corrosion resistance, making it ideal for aerospace, defense, and precision tooling. At [&hellip;]<\/p>","protected":false},"author":12,"featured_media":21769,"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-21767","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\/21767","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=21767"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21767\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/21769"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=21767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=21767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=21767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}