{
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    "date": "2025-12-04T12:40:13",
    "date_gmt": "2025-12-04T12:40:13",
    "guid": {
        "rendered": "http:\/\/www.steelinvestmentcasting.com\/?p=735"
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    "modified": "2025-12-04T12:54:03",
    "modified_gmt": "2025-12-04T12:54:03",
    "slug": "the-science-of-steel-demystifying-metallurgy-for-your-application",
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    "link": "http:\/\/www.steelinvestmentcasting.com\/ja\/?p=735",
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        "rendered": "\u92fc\u306e\u79d1\u5b66: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u51b6\u91d1\u5b66\u306e\u8b0e\u3092\u89e3\u304d\u660e\u304b\u3059"
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class=\"wp-block-paragraph\">\u7d20\u6674\u3089\u3057\u3044\u3002\u300c\u9244\u306e\u79d1\u5b66\u300d\u3092\u3082\u3046\u4e00\u5ea6\u53d6\u308a\u4e0a\u3052\u307e\u3057\u3087\u3046\u3002\u305f\u3060\u3057\u4eca\u56de\u306f\u3001\u8a2d\u8a08\u56f3\u3068\u30b3\u30fc\u30d2\u30fc\u3092\u7247\u624b\u306b\u5ea7\u3063\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u3001\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u6d17\u7df4\u3055\u308c\u305f\u5b66\u8853\u7684\u306a\u8b1b\u7fa9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u5de5\u5834\u306e\u73fe\u5834\u3084\u8a2d\u8a08\u6bb5\u968e\u3067\u3001\u5f8c\u3067\u5f8c\u6094\u3057\u306a\u3044\u3088\u3046\u306a\u6c7a\u65ad\u3092\u4e0b\u305d\u3046\u3068\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u3001\u5b9f\u969b\u306b\u4f55\u304c\u91cd\u8981\u304b\u3092\u304a\u4f1d\u3048\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79c1\u306f\u3044\u3064\u3082\u3053\u3046\u8a00\u3063\u3066\u3044\u307e\u3059\u3002 <strong>\u92fc\u306f\u30ab\u30e1\u30ec\u30aa\u30f3\u3067\u3059\u3002<\/strong> \u92fc\u306f\u3072\u3068\u3064\u306e\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ad\u30e3\u30f3\u30d0\u30b9\u3067\u3042\u308a\u3001\u51b6\u91d1\u5b66\u306f\u5fc5\u8981\u306a\u7279\u6027\u3092\u63cf\u304f\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u4e00\u9023\u306e\u7b46\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u8ab0\u3067\u3082\u30cf\u30f3\u30c9\u30d6\u30c3\u30af\u3067\u92fc\u7a2e\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u672c\u5f53\u306e\u82b8\u8853\u306f\u3001 <em>\u306a\u305c\u305d\u306e\u92fc\u7a2e\u304c\u5b58\u5728\u3059\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u3069\u3053\u3067\u305d\u308c\u304c\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u304b\u200b\u200b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/em> \u3053\u3053\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046: \u3059\u3079\u3066\u306f\u70ad\u7d20\u306b\u95a2\u3059\u308b\u3053\u3068\u3067\u3059 (\u305d\u3057\u3066\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u3053\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u3059\u3079\u3066\u306f\u70ad\u7d20\u306b\u95a2\u3059\u308b\u3053\u3068\u3067\u3059 (\u305d\u3057\u3066\u305d\u3046\u3067\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e4\u3044\u30eb\u30fc\u30eb\u306f\u4eca\u3067\u3082\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002\u70ad\u7d20\u304c\u4e3b\u306a\u64cd\u308a\u4eba\u5f62\u5e2b\u3067\u3059\u3002\u82e5\u3044\u9803\u306f\u3001\u70ad\u7d20\u542b\u6709\u91cf\u306f\u786c\u5ea6\u306e\u5358\u7d14\u306a\u30c0\u30a4\u30e4\u30eb\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u7d4c\u9a13\u304b\u3089\u3001\u5b9f\u969b\u306f\u3082\u3063\u3068\u5fae\u5999\u306a\u3082\u306e\u3060\u3068\u3044\u3046\u3053\u3068\u3092\u77e5\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u70ad\u7d20\u542b\u6709\u91cf0.3%\u672a\u6e80\uff08AISI 1018\u3084A36\u306a\u3069\uff09:<\/strong> \u3053\u308c\u306f\u307e\u3055\u306b\u4e3b\u529b\u92fc\u3067\u3059\u3002\u6eb6\u63a5\u6027\u3001\u6210\u5f62\u6027\u3001\u305d\u3057\u3066\u6bd4\u8f03\u7684\u67d4\u8edf\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u3084\u69cb\u9020\u7269\u306b\u306f\u3001\u3053\u306e\u92fc\u3092\u4f55\u30de\u30a4\u30eb\u3082\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u8ab0\u3082\u304c\u82e6\u52b4\u3057\u3066\u5b66\u3076\u843d\u3068\u3057\u7a74\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u305d\u306e\u300c\u67d4\u3089\u304b\u3055\u300d\u3086\u3048\u306b\u3001\u53ef\u52d5\u90e8\u54c1\u306b\u4f7f\u7528\u3059\u308b\u3068\u713c\u304d\u4ed8\u304d\u3084\u6469\u8017\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u3042\u308b\u8a2d\u8a08\u8005\u304c\u3001\u9ad8\u30b5\u30a4\u30af\u30eb\u6a5f\u68b0\u306e\u30d4\u30dc\u30c3\u30c8\u30d4\u30f3\u306bA36\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u30021\u30f6\u6708\u3082\u6301\u3061\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u308c\u306f\u9593\u9055\u3063\u305f\u9078\u629e\u3067\u3057\u305f\u3002\u92fc\u304c\u300c\u5f31\u3044\u300d\u304b\u3089\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u306a\u8868\u9762\u786c\u5ea6\u304c\u4e0d\u8db3\u3057\u3066\u3044\u305f\u304b\u3089\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u70ad\u7d20\u542b\u6709\u91cf\u7d04 0.4\uff5e0.6% (1045 \u3084 4140 \u306a\u3069):<\/strong> \u3053\u308c\u306f\u3001\u8eca\u8ef8\u3001\u30ae\u30a2\u3001\u30dc\u30eb\u30c8\u306a\u3069\u3001\u591a\u304f\u306e\u9ad8\u5f37\u5ea6\u6c4e\u7528\u90e8\u54c1\u306e\u30b9\u30a4\u30fc\u30c8\u30b9\u30dd\u30c3\u30c8\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5fae\u5999\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002 <strong>4140 \u306b\u306f\u30af\u30ed\u30e0\u3068\u30e2\u30ea\u30d6\u30c7\u30f3\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/strong> \u3064\u307e\u308a\u30014140 \u306f\u300c\u713c\u5165\u308c\u6027\u300d\u3001\u3064\u307e\u308a\u713c\u304d\u5165\u308c\u6642\u306b\u3069\u306e\u7a0b\u5ea6\u307e\u3067\u786c\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u304c\u306f\u308b\u304b\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u539a\u3055 1 \u30a4\u30f3\u30c1\u306e 1045 \u306e\u68d2\u92fc\u306f\u8868\u9762\u3060\u3051\u304c\u786c\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u30014140 \u306f\u5b8c\u5168\u306b\u786c\u5316\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8377\u91cd\u306e\u304b\u304b\u308b\u30b7\u30e3\u30d5\u30c8\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u9055\u3044\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u70ad\u7d20\u542b\u6709\u91cf\u304c 0.6% \u3092\u8d85\u3048\u308b\u3082\u306e (1095 \u3084\u8ef8\u53d7\u92fc\u306a\u3069):<\/strong> \u5203\u5148\u3068\u30d0\u30cd\u306e\u4e16\u754c\u306b\u5165\u308a\u307e\u3057\u305f\u3002\u975e\u5e38\u306b\u786c\u3044\u3067\u3059\u304c\u3001\u8106\u3044\u3067\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u5fc5\u305a\u9069\u5207\u306a\u71b1\u51e6\u7406\u3092\u65bd\u3059\u5fc5\u8981\u304c\u3042\u308a\u3001\u5fdc\u529b\u96c6\u4e2d\u3092\u907f\u3051\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u786c\u5316\u3057\u305f 1095 \u3067\u4f5c\u3089\u308c\u305f\u90e8\u54c1\u306e\u92ed\u3044\u89d2\u306f\u3001\u58ca\u6ec5\u7684\u306a\u4e80\u88c2\u3092\u62db\u304f\u8a98\u3044\u3068\u306a\u308a\u307e\u3059\u3002\u79c1\u306f\u73fe\u5834\u3067\u306e\u4fee\u7406\u3068\u3057\u3066\u6570\u3048\u3089\u308c\u308b\u3088\u308a\u3082\u591a\u304f\u306e\u300c\u786c\u5316\u300d\u90e8\u54c1\u306b\u534a\u5f84\u3092\u7814\u78e8\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30df\u30af\u30ed\u7d44\u7e54: \u5b9f\u969b\u306b\u8cfc\u5165\u3059\u308b\u3082\u306e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u92fc\u3092\u6ce8\u6587\u3059\u308b\u3068\u304d\u306f\u3001\u77e5\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u7279\u5b9a\u306e\u30df\u30af\u30ed\u7d44\u7e54\u3092\u6ce8\u6587\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u8a00\u8449\u3067\u8aac\u660e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7403\u72b6\u5316\u713c\u920d:<\/strong> \u307b\u3068\u3093\u3069\u306e\u5de5\u5177\u92fc\u306f\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u5c4a\u304d\u307e\u3059\u3002\u67d4\u3089\u304b\u3044\u30d5\u30a7\u30e9\u30a4\u30c8\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u4e2d\u306b\u3001\u5c0f\u3055\u304f\u3066\u786c\u3044\u30bb\u30e1\u30f3\u30bf\u30a4\u30c8\u306e\u7403\u304c\u8a70\u307e\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u308c\u306f\u6a5f\u68b0\u52a0\u5de5\u304c\u53ef\u80fd\u3060\u304b\u3089\u3067\u3059\u3002\u8907\u96d1\u306a\u91d1\u578b\u5f62\u72b6\u306b\u5207\u65ad\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u71b1\u51e6\u7406\u3092\u65bd\u3057\u3066\u7d44\u7e54\u3092\u5909\u5316\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u713c\u5165\u308c\u30fb\u713c\u623b\u3057 (Q&amp;T):<\/strong> \u3053\u308c\u306f 4140HT \u306e\u3088\u3046\u306a\u4e8b\u524d\u786c\u5316\u5408\u91d1\u306e\u72b6\u614b\u3067\u3059\u3002\u713c\u304d\u623b\u3057\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u7d44\u7e54\u3067\u3001\u5f37\u976d\u3067\u5f37\u5ea6\u304c\u9ad8\u304f\u3001\u5b89\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306a\u5de5\u5177\u3092\u4f7f\u7528\u3059\u308c\u3070\u6a5f\u68b0\u52a0\u5de5\u304c\u53ef\u80fd\u3067\u3001\u3059\u3050\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7d4c\u9a13\u304b\u3089\u8b66\u544a\u3057\u3066\u304a\u304d\u307e\u3059\u304c\u3001\u30c8\u30fc\u30c1\u3067\u5c40\u6240\u7684\u306b\u518d\u786c\u5316\u3055\u305b\u3088\u3046\u3068\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u5c0f\u3055\u306a\u9818\u57df\u306b\u713c\u304d\u623b\u3057\u3055\u308c\u3066\u3044\u306a\u3044\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u7d44\u7e54\u304c\u5f62\u6210\u3055\u308c\u3001\u30ac\u30e9\u30b9\u306e\u3088\u3046\u306b\u8106\u304f\u306a\u308a\u3001\u305d\u306e\u90e8\u5206\u3067\u90e8\u54c1\u304c\u7a81\u7136\u7834\u640d\u3059\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u51b7\u9593\u5f15\u629c\u307e\u305f\u306f\u5727\u5ef6:<\/strong> \u3053\u306e\u7d20\u6750\u306f\u52a0\u5de5\u786c\u5316\u51e6\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u71b1\u9593\u5727\u5ef6\u54c1\u3088\u308a\u3082\u5f37\u5ea6\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u6b8b\u7559\u5fdc\u529b\u304c\u3042\u308a\u307e\u3059\u3002\u7247\u5074\u3092\u5f37\u304f\u52a0\u5de5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u5fdc\u529b\u304c\u518d\u5747\u8861\u3059\u308b\u305f\u3081\u3001\u30d0\u30ca\u30ca\u306e\u3088\u3046\u306b\u53cd\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u79c1\u306f\u7cbe\u5bc6\u6a5f\u68b0\u52a0\u5de5\u3092\u884c\u3046\u524d\u306b\u3001\u5fc5\u305a\u51b7\u9593\u52a0\u5de5\u3057\u305f\u7d20\u6750\u306e\u5fdc\u529b\u9664\u53bb\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u300c\u79d8\u8a23\u300d : \u5408\u91d1\u5143\u7d20\u306e\u5b9f\u8df5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5468\u671f\u8868\u306b\u8ffd\u52a0\u3055\u308c\u305f\u5143\u7d20\u306f\u92fc\u9244\u306b\u3068\u3063\u3066\u8208\u5473\u6df1\u3044\u3082\u306e\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3089\u3092\u5358\u72ec\u306e\u30d7\u30ec\u30a4\u30e4\u30fc\u3067\u306f\u306a\u304f\u3001\u30c1\u30fc\u30e0\u3068\u3057\u3066\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30af\u30ed\u30e0:<\/strong> \u78ba\u304b\u306b\u300110.5%\u3092\u8d85\u3048\u308b\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u30014140\u306e\u3088\u3046\u306b\u5c11\u91cf\uff08\u7d041%\uff09\u3067\u306f\u3001\u713c\u5165\u308c\u6027\u3068\u8010\u6469\u8017\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u79c1\u306f\u3001\u8010\u98df\u6027\u306f\u5fc5\u8981\u3060\u304c\u5b8c\u5168\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u30ec\u30d9\u30eb\u3067\u306f\u306a\u3044\u6cb9\u5727\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9\u306b\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u30af\u30ed\u30e0\u306f\u307e\u305f\u3001\u6728\u5de5\u7528\u5203\u7269\u306b\u304a\u3044\u3066D2\u5de5\u5177\u92fc\u306e\u8010\u6469\u8017\u6027\u3092\u9ad8\u3081\u308b\u786c\u8cea\u70ad\u5316\u7269\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30e2\u30ea\u30d6\u30c7\u30f3:<\/strong> \u3053\u308c\u306f\u9759\u304b\u306a\u308b\u91cd\u91cf\u7d1a\u306e\u5143\u7d20\u3067\u3059\u3002\u5f37\u529b\u306a\u713c\u5165\u308c\u5264\u3067\u3059\u304c\u3001\u91cd\u8981\u306a\u306e\u306f\u300c\u713c\u623b\u3057\u8106\u5316\u300d\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u3001\u4e00\u90e8\u306e\u5408\u91d1\u92fc\u304c\u3001\u713c\u304d\u623b\u3057\u5f8c\u306b\u3042\u308b\u6e29\u5ea6\u7bc4\u56f2\u3067\u3086\u3063\u304f\u308a\u51b7\u5374\u3055\u308c\u308b\u3068\u8106\u304f\u306a\u308b\u73fe\u8c61\u3067\u3059\u3002\u91cd\u8981\u306a\u9ad8\u5f37\u5ea6\u90e8\u54c1\u306e\u5834\u5408\u306f\u3001\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3092\u5c11\u3057\u52a0\u3048\u305f\u92fc\u7a2e\u3092\u9078\u3073\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u786b\u9ec4:<\/strong> \u901a\u5e38\u306f\u6c5a\u67d3\u7269\u8cea\u3067\u3059\u3088\u306d? \u3067\u3082\u300112L14 \u306e\u3088\u3046\u306a\u300c\u5feb\u524a\u300d\u92fc\u3067\u306f\u3001\u5207\u308a\u304f\u305a\u3092\u7815\u304f\u786b\u5316\u30de\u30f3\u30ac\u30f3\u4ecb\u5728\u7269\u3092\u5f62\u6210\u3059\u308b\u305f\u3081\u306b\u610f\u56f3\u7684\u306b\u6dfb\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65cb\u76e4\u3067\u306e\u6a5f\u68b0\u52a0\u5de5\u304c\u5922\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <strong>\u91cd\u8981\u306a\u5236\u9650\u4e8b\u9805\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059:<\/strong> \u6eb6\u63a5\u90e8\u5206\u3084\u75b2\u52b4\u5f37\u5ea6\u306e\u9ad8\u3044\u7b87\u6240\u306b\u306f\u7d76\u5bfe\u306b\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u4ecb\u5728\u7269\u306f\u5fdc\u529b\u96c6\u4e2d\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u5468\u671f\u7684\u306a\u8377\u91cd\u304c\u304b\u304b\u308b\u7528\u9014\u3067\u3001\u4ecb\u5728\u7269\u304b\u3089\u75b2\u52b4\u4e80\u88c2\u304c\u767a\u751f\u3059\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u71b1\u51e6\u7406\uff1a\u6210\u5426\u3092\u5206\u3051\u308b\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e16\u754c\u6700\u9ad8\u306e\u92fc\u6750\u3092\u8cfc\u5165\u3057\u3066\u3082\u3001\u71b1\u51e6\u7406\u304c\u4e0d\u5341\u5206\u3060\u3068\u53f0\u7121\u3057\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u7406\u8ad6\u3068\u7089\u5185\u96f0\u56f2\u6c17\u3001\u713c\u5165\u308c\u30bf\u30f3\u30af\u3001\u6e29\u5ea6\u30c1\u30e3\u30fc\u30c8\u3068\u3044\u3063\u305f\u53b3\u3057\u3044\u73fe\u5b9f\u304c\u3076\u3064\u304b\u308a\u5408\u3046\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u713c\u5165\u308c\u3053\u305d\u5168\u3066\uff1a<\/strong> \u51b7\u5374\u901f\u5ea6\u306b\u3088\u3063\u3066\u3001\u786c\u3044\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u306b\u306a\u308b\u304b\u3001\u67d4\u3089\u304b\u3044\u30d1\u30fc\u30e9\u30a4\u30c8\u306b\u306a\u308b\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u901f\u3044\u307b\u3069\u826f\u3044\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u8907\u96d1\u306a\u5f62\u72b6\u3092\u6fc0\u3057\u304f\u6c34\u3067\u713c\u5165\u308c\u3059\u308b\u3068\u3001\u71b1\u5fdc\u529b\u3067\u5272\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u92ed\u89d2\u306a\u89d2\u3068\u8584\u3044\u90e8\u5206\u306e\u3042\u308b\u90e8\u54c1\u306e\u5834\u5408\u306f\u3001\u6700\u7d42\u7684\u306a\u786c\u5ea6\u304c\u591a\u5c11\u4f4e\u304f\u306a\u3063\u3066\u3082\u3001\u305d\u308c\u307b\u3069\u53b3\u3057\u304f\u306a\u3044\u6cb9\u713c\u5165\u308c\u30b0\u30ec\u30fc\u30c9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u713c\u623b\u3057\u306f\u8b72\u308c\u306a\u3044:<\/strong> \u713c\u5165\u308c\u3057\u305f\u307e\u307e\u306e\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u306f\u8106\u3059\u304e\u3066\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u713c\u623b\u3057\u3092\u884c\u3046\u3068\u3001\u786c\u5ea6\u304c\u5c11\u3057\u4f4e\u4e0b\u3057\u307e\u3059\u304c\u3001\u976d\u6027\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5fae\u5999\u306a\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u713c\u623b\u3057\u6e29\u5ea6\u304c\u91cd\u8981\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u4e00\u90e8\u306e\u5408\u91d1\u92fc\u306f\u3001200\uff5e260\u2103\uff08400\uff5e500\u00b0F\uff09\u4ed8\u8fd1\u3067\u300c\u713c\u623b\u3057\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u8106\u5316\u300d\u3068\u547c\u3070\u308c\u308b\u976d\u6027\u306e\u308f\u305a\u304b\u306a\u4f4e\u4e0b\u3092\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u3053\u306e\u6e29\u5ea6\u7bc4\u56f2\u3088\u308a\u3082\u9ad8\u6e29\u307e\u305f\u306f\u4f4e\u6e29\u3067\u713c\u623b\u3057\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u79c1\u306f\u51e6\u7406\u3092\u8a08\u753b\u3059\u308b\u969b\u306b\u3001\u5fc5\u305a\u7279\u5b9a\u306e\u92fc\u7a2e\u306e\u9023\u7d9a\u51b7\u5374\u5909\u614b\uff08CCT\uff09\u56f3\u3092\u53c2\u7167\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u79c1\u306e\u5b9f\u8df5\u7684\u306a\u9078\u5b9a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u92fc\u6750\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u982d\u306e\u4e2d\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u3069\u306e\u3088\u3046\u306a\u4e3b\u8981\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3092\u8b66\u6212\u3059\u3079\u304d\u304b\uff1f<\/strong> (\u6469\u8017? \u904e\u8ca0\u8377? \u75b2\u52b4? \u8150\u98df?)<\/li>\n\n\n\n<li><strong>\u3069\u306e\u3088\u3046\u306b\u88fd\u9020\u3055\u308c\u307e\u3059\u304b?<\/strong> (\u56fa\u4f53\u304b\u3089\u306e\u6a5f\u68b0\u52a0\u5de5? \u935b\u9020? \u6eb6\u63a5? \u3053\u308c\u306b\u3088\u308a\u3001\u76f4\u3061\u306b\u3059\u3079\u3066\u306e\u30d5\u30a1\u30df\u30ea\u304c\u30ea\u30b9\u30c8\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059\u3002)<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u4e2d\u306b\u4f55\u304c\u8d77\u304d\u307e\u3059\u304b?<\/strong> (\u5468\u671f\u7684\u306a\u8ca0\u8377? \u885d\u6483? \u71b1? \u5316\u5b66\u7269\u8cea?)<\/li>\n\n\n\n<li><strong>\u5b9f\u969b\u306e\u30b3\u30b9\u30c8\u306f\u3044\u304f\u3089\u3067\u3059\u304b?<\/strong> (1 \u30dd\u30f3\u30c9\u3042\u305f\u308a\u306e\u30b3\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u88fd\u9020\u3001\u71b1\u51e6\u7406\u3001\u304a\u3088\u3073\u6f5c\u5728\u7684\u306a\u6545\u969c\u306e\u30b3\u30b9\u30c8\u3082\r\n\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002)<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u904e\u53bb\u306e\u5b9f\u969b\u306e\u4f8b\u3001\u9271\u5c71\u4f5c\u696d\u7528\u306e\u5ca9\u77f3\u7834\u7815\u30cf\u30f3\u30de\u30fc\u3092\u53d6\u308a\u4e0a\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6545\u969c\u30e2\u30fc\u30c9:<\/strong> \u6975\u5ea6\u306e\u6469\u8017\u3068\u3042\u308b\u7a0b\u5ea6\u306e\u885d\u6483\u3002<\/li>\n\n\n\n<li><strong>\u88fd\u9020:<\/strong> \u92f3\u9020\u3067\u3057\u305f\u3002<\/li>\n\n\n\n<li><strong>\u30b5\u30fc\u30d3\u30b9:<\/strong> \u904e\u9177\u306a\u7d99\u7d9a\u7684\u306a\u6469\u8017\u3068\u6253\u6483\u3002<\/li>\n\n\n\n<li><strong>\u601d\u8003\u30d7\u30ed\u30bb\u30b9:<\/strong> \u9ad8\u70ad\u7d20\u30b0\u30ec\u30fc\u30c9\u306e\u3088\u3046\u306a\u786c\u3044\u92fc\u306f\u6469\u8017\u306b\u5f37\u3044\u3067\u3059\u304c\u3001\u885d\u6483\u3067\u7815\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u5f37\u976d\u306a\u4f4e\u5408\u91d1\u92fc\u306f\u885d\u6483\u306b\u306f\u8010\u3048\u307e\u3059\u304c\u3001\u6570\u65e5\u3067\u6469\u8017\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u89e3\u6c7a\u7b56\u306f? <strong>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30de\u30f3\u30ac\u30f3\u92fc<\/strong> \uff08\u30cf\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u92fc\u3068\u540c\u69d8\u306e\u3001\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf11\uff5e14%\uff09\u3002\u3053\u306e\u92fc\u306f\u5f37\u976d\u3067\u3001\u4f7f\u7528\u4e2d\u306f\u91d8\u306e\u3088\u3046\u306b\u786c\u304f\u3001\u8868\u9762\u304c\u52a0\u5de5\u786c\u5316\u3057\u3066\u8010\u6469\u8017\u6027\u3082\u9a5a\u304f\u307b\u3069\u5411\u4e0a\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001 <em>\u4f7f\u7528\u786c\u5316\u3057\u305f\u72b6\u614b\u3067\u306f\u6a5f\u68b0\u52a0\u5de5\u3067\u304d\u307e\u305b\u3093\r\n\u3002\u3059\u3079\u3066\u306e\u52a0\u5de5\u306f\u3001\u6eb6\u4f53\u5316\u51e6\u7406\u3092\u65bd\u3057\u305f\u5f8c\u3001\u92fc\u304c\u67d4\u3089\u304b\u304f\u306a\u3063\u305f\u72b6\u614b\u3067\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u3046\u3057\u305f\u30cb\u30e5\u30a2\u30f3\u30b9\u306f\u7d4c\u9a13\u304b\u3089\u3057\u304b\u5f97\u3089\u308c\u306a\u3044\u3082\u306e\u3067\u3059\u3002<\/em> \u4f7f\u7528\u306b\u8010\u3048\u308b\u786c\u5316\u72b6\u614b\u3067\u6a5f\u68b0\u52a0\u5de5\u3057\u307e\u3059\u3002\u6a5f\u68b0\u52a0\u5de5\u306f\u3059\u3079\u3066\u3001\u6eb6\u4f53\u5316\u51e6\u7406\u5f8c\u306e\u67d4\u3089\u304b\u3044\u72b6\u614b\u3067\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u7d4c\u9a13\u304b\u3089\u306e\u307f\u5f97\u3089\u308c\u308b\u30cb\u30e5\u30a2\u30f3\u30b9\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u79c1\u304c\u89b3\u5bdf\u3057\u3066\u304d\u305f\u8981\u70b9\u306f\u3053\u308c\u3067\u3059\u3002\u92fc\u9244\u306e\u795e\u79d8\u3092\u89e3\u304d\u660e\u304b\u3059\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u7b49\u7d1a\u3092\u6697\u8a18\u3059\u308b\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6210\u5206\u3001\u51e6\u7406\u3001\u69cb\u9020\u3001\u6027\u80fd\u306e\u9593\u306e\r\n\u95a2\u4fc2\u306b\u5bfe\u3059\u308b\u611f\u899a\u3092\u990a\u3046\r\n\u3053\u3068\u3067\u3059\u3002\u90e8\u54c1\u3092\u898b\u308b\u3068\u3001\u672c\u80fd\u7684\u306b\u305d\u306e\u71b1\u5c65\u6b74\u3001\u5fdc\u529b\u7d4c\u8def\u3001\u6f5c\u5728\u7684\u306a\u5f31\u70b9\u306b\u3064\u3044\u3066\u8003\u3048\u59cb\u3081\u307e\u3059\u3002 <em>\u95a2\u4fc2<\/em> 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        "rendered": "<p>Excellent \u2014 let&#8217;s revisit &#8220;The Science of Steel,&#8221; but this time I&#8217;ll walk you through it the way I would if we were sitting down with a set of blueprints and a pot of coffee. This won&#8217;t be a polished academic lecture. Instead, I\u2019ll share what actually matters when you&#8217;re on the shop floor or in the design phase, trying to make a decision that won\u2019t come back to haunt you. I always tell people: steel is a chameleon. It\u2019s not one thing. It\u2019s a canvas, and metallurgy is the set of brushes we use to paint the properties we need. Anyone can look up a grade in a handbook, [&hellip;]<\/p>",
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