{"id":8325,"date":"2026-02-03T12:52:36","date_gmt":"2026-02-03T04:52:36","guid":{"rendered":"https:\/\/dinglidiespring.com\/?p=8325"},"modified":"2026-02-03T12:52:38","modified_gmt":"2026-02-03T04:52:38","slug":"die-spring-materials-65mn-50crva-55crsi","status":"publish","type":"post","link":"https:\/\/dinglidiespring.com\/ja\/die-spring-materials-65mn-50crva-55crsi\/","title":{"rendered":"\u8272\u304c\u5408\u3063\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u6545\u969c\u3059\u308b\u306e\u3092\u653e\u7f6e\u3059\u308b\u306e\u306f\u3084\u3081\u307e\u3057\u3087\u3046"},"content":{"rendered":"<p>\u30c0\u30a4\u30bb\u30c3\u30c8\u304c\u518d\u3073\u7a3c\u50cd\u3059\u308b\u305f\u3073\u306b\u3001\u307b\u3068\u3093\u3069\u306e\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u307e\u305a\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u8272\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u6cb9\u306e\u6b8b\u7559\u7269\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3057\u3001\u305d\u308c\u304b\u3089\u30b5\u30a4\u30af\u30eb\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6700\u521d\u306e\u30d0\u30c3\u30c1\u306f\u5927\u304d\u306a\u300c\u30ab\u30c1\u30c3\u300d\u3068\u3044\u3046\u97f3\u3001\u30d1\u30f3\u30c1\u306e\u56fa\u7740\u3001\u3042\u308b\u3044\u306f\u4e0d\u826f\u54c1\u3067\u7d42\u308f\u308b\u3053\u3068\u304c\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u8272\u5206\u3051\u3068\u76f4\u611f\u306b\u983c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u771f\u306e\u52dd\u8ca0\u306f\u6750\u8cea\u3001\u525b\u6027\u3001\u71b1\u51e6\u7406\u3001\u305d\u3057\u3066\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3092English\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u898f\u683c\u306b\u843d\u3068\u3057\u8fbc\u307f\u300165Mn\u300150CrVA\u300155CrSi\u306e\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u6148\u6e13\u8fea\u529b\u30b9\u30d7\u30ea\u30f3\u30b0\u682a\u5f0f\u4f1a\u793e\u304c\u4e16\u754c\u4e2d\u306e\u73fe\u5834\u3067\u5f97\u305f\u6559\u8a13\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3\u3064\u306e\u30b3\u30a2\u30de\u30c6\u30ea\u30a2\u30eb\u3068\u305d\u308c\u305e\u308c\u306e\u5f37\u307f<\/h2>\n\n\n\n<p><strong>65Mn<\/strong><br>\u786c\u5ea6\u306f\u901a\u5e38\u3001820\u2103\u306e\u713c\u5165\u308c\u3068460\u2103\u306e\u713c\u623b\u3057\u3067HRC44\uff5e48\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30b9\u30c8\u52b9\u7387\u306b\u512a\u308c\u3001\u4e2d\u30c8\u30f3\u6570\u306e\u5358\u6bb5\u91d1\u578b\u3084\u6cbb\u5177\u306b\u6700\u9069\u3067\u3059\u304c\u3001\u71b1\u51e6\u7406\u6761\u4ef6\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u713c\u623b\u3057\u4e2d\u306b\u904e\u71b1\u3057\u305f\u308a\u3001\u88fd\u9020\u5de5\u7a0b\u3067\u5f3e\u6027\u57df\u3092\u8d85\u3048\u3066\u5727\u7e2e\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u6b8b\u7559\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u306e\u5f71\u97ff\u3067\u65e9\u671f\u306b\u7de9\u548c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>50CrVA<\/strong><br>HRC\u306f46\uff5e50\u3092\u60f3\u5b9a\u3002\u30d0\u30ca\u30b8\u30a6\u30e0\u306f\u5f3e\u6027\u9650\u754c\u3068\u885d\u6483\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u3001\u9ad8\u901f\u91d1\u578b\u3084\u9806\u9001\u91d1\u578b\u306b\u6700\u9069\u3067\u3059\u3002\u713c\u5165\u308c\u901f\u5ea6\u306b\u654f\u611f\u306a\u305f\u3081\u3001\u5185\u90e8\u5fdc\u529b\u306b\u3088\u308b\u7834\u58ca\u3092\u9632\u3050\u306b\u306f\u3001\u53b3\u5bc6\u306a\u6e29\u5ea6\u5236\u5fa1\u3092\u5099\u3048\u305f\u81ea\u52d5\u6cb9\u713c\u5165\u308c\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>55CrSi<\/strong><br>HRC 47\uff5e52\u3067\u3001\u512a\u308c\u305f\u8010\u30ea\u30e9\u30af\u30bc\u30fc\u30b7\u30e7\u30f3\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u5927\u578b\u306e\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u91d1\u578b\u3084\u30c0\u30a4\u30ab\u30b9\u30c8\u91d1\u578b\u306a\u3069\u3001\u9ad8\u8377\u91cd\u3001\u30ed\u30f3\u30b0\u30b9\u30c8\u30ed\u30fc\u30af\u3001\u9ad8\u6e29\u74b0\u5883\u4e0b\u3067\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d2\u30fc\u30c8\u30bd\u30fc\u30af\u306b\u3088\u3063\u3066\u6027\u80fd\u304c\u640d\u306a\u308f\u308c\u308b\u3068\u3044\u3046\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91d1\u578b\u304c\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u5834\u5408\u306f\u5fc5\u305a\u30b9\u30c8\u30ed\u30fc\u30af\u3092\u89e3\u653e\u3057\u3001\u30b3\u30a4\u30eb\u306b\u6f64\u6ed1\u6cb9\u819c\u3092\u5857\u5e03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p>3 \u3064\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u5c65\u7269\u3068\u3057\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u300265Mn \u306f\u666e\u6bb5\u5c65\u304d\u306e\u30b9\u30cb\u30fc\u30ab\u30fc\u300150CrVA \u306f\u8a66\u5408\u306e\u591c\u5c65\u304f\u9774\u300155CrSi \u306f\u5931\u6557\u304c\u8a31\u3055\u308c\u306a\u3044\u3068\u304d\u306b\u5c65\u304f\u30c8\u30ec\u30a4\u30eb \u30d6\u30fc\u30c4\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e6\u3064\u306e\u57fa\u6e96<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u525b\u6027\uff08k = \u0394F\/\u0394x\uff09<\/strong>. \u30c0\u30a4\u306e\u79fb\u52d5\u91cf\u306f\u3001\u5fc5\u305a\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u529b-\u5909\u4f4d\u66f2\u7dda\u306b\u5bfe\u3057\u3066\u30d7\u30ed\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u52d5\u4f5c\u70b9\u3092\u76f4\u7dda\u9818\u57df\u304b\u308920\uff5e80\u00b0\u4ee5\u5185\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u300c\u6bce\u9031\u67d4\u3089\u304b\u304f\u306a\u308b\u300d\u3068\u3044\u3046\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u525b\u6027\/\u305f\u308f\u307f<\/strong>. \u30d0\u30cd\u304c\u6881\u306e\u4e00\u90e8\u3092\u517c\u306d\u3066\u3044\u308b\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306f\u03b4 = (F\u00b7L\u00b3)\/(3\u00b7E\u00b7I)\u306b\u5f93\u3044\u307e\u3059\u3002\u652f\u6301\u30d6\u30ed\u30c3\u30af\u3084\u3088\u308a\u77ed\u3044\u30b9\u30d1\u30f3\u306f\u3001\u30d0\u30cd\u306e\u7b49\u7d1a\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5f37\u3055<\/strong>. 65Mn\u306f\u7d04785MPa\u300150CrVA\u306f\u7d04900MPa\u300155CrSi\u306f1,000MPa\u3092\u8d85\u3048\u307e\u3059\u3002\u7279\u306b\u9806\u9001\u91d1\u578b\u3067\u306f\u904e\u8ca0\u8377\u306b\u3088\u3063\u3066\u6c38\u4e45\u7684\u306a\u50b7\u304c\u6b8b\u308b\u305f\u3081\u3001\u5b89\u5168\u4fc2\u6570\u30921.2\uff5e1.5\u500d\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u786c\u5ea6<\/strong>. \u30d0\u30eb\u30af\u6750\u306b\u306f\u30d6\u30ea\u30cd\u30eb\u786c\u3055\uff08HB\uff09\u3001\u307b\u3068\u3093\u3069\u306e\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u306b\u306f\u30ed\u30c3\u30af\u30a6\u30a7\u30eb\u786c\u3055\uff08HRC\uff09\u3001\u8868\u9762\u51e6\u7406\u306e\u78ba\u8a8d\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u30d3\u30c3\u30ab\u30fc\u30b9\u786c\u3055\uff08HV\uff09\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u7c21\u5358\u306a\u30eb\u30fc\u30eb\uff1aHRC 48\u306fHB 480\u3068\u307b\u307c\u540c\u7b49\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5f3e\u6027\u3068\u53ef\u5851\u6027<\/strong>. \u591a\u6bb5\u968e\u306e\u713c\u304d\u623b\u3057\u3068\u30b7\u30e7\u30c3\u30c8\u30d4\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308a\u3001\u5f3e\u6027\u9650\u754c\u3092\u8d85\u3048\u305f\u300c\u30bd\u30d5\u30c8\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30be\u30fc\u30f3\u300d\u304c\u5f62\u6210\u3055\u308c\u308b\u305f\u3081\u3001\u7dca\u6025\u6642\u306e\u30aa\u30fc\u30d0\u30fc\u30c8\u30e9\u30d9\u30eb\u6642\u306b\u30b3\u30a4\u30eb\u304c\u6298\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5438\u53ce\u3055\u308c\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5f37\u976d\u3055<\/strong>. AKU\uff08\u885d\u6483\u30a8\u30cd\u30eb\u30ae\u30fc\uff09\u3068KIC\uff08\u7834\u58ca\u976d\u6027\uff09\u306f\u3001\u9ad8\u5468\u6ce2\u885d\u6483\u3067\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u6b20\u3051\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u300250CrVA\u306f-20\u2103\u3067\u3082\u826f\u597d\u306aAKU\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u51ac\u5b63\u306e\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0\u30e9\u30a4\u30f3\u306b\u3082\u5b89\u5fc3\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30bb\u30b9\u30c1\u30a7\u30fc\u30f3\uff1a\u3059\u3079\u3066\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u91cd\u8981<\/h2>\n\n\n\n<p>\u305d\u306e <a href=\"https:\/\/dinglidiespring.com\/ja\/process\/spring-winding\/\">\u30d0\u30cd\u5dfb\u304d\u5de5\u7a0b<\/a> \u6148\u6e13\u5730\u529b\u30b9\u30d7\u30ea\u30f3\u30b0\u682a\u5f0f\u4f1a\u793e\u3067\u306f\u300155CrSi\u306e\u3088\u3046\u306a\u9ad8\u5f37\u5ea6\u5408\u91d1\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u3001\u7dda\u5f84\u3001\u30d4\u30c3\u30c1\u3001\u5f35\u529b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u8ffd\u8de1\u3057\u3066\u3044\u307e\u3059\u3002\u71b1\u51e6\u7406\u306f\u3001\u30d0\u30c3\u30c1\u6e29\u5ea6\u306e\u504f\u5dee\u3092\u00b15\u2103\u4ee5\u5185\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u3001\u81ea\u52d5\u6295\u5165\u6a5f\u80fd\u3092\u5099\u3048\u305f\u96f0\u56f2\u6c17\u5236\u5fa1\u7089\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u30b7\u30e7\u30c3\u30c8\u30d4\u30fc\u30cb\u30f3\u30b0\u306f\u5727\u7e2e\u5fdc\u529b\u3092\u5c0e\u5165\u3057\u3001\u8868\u9762\u306eHV\u30925\uff5e10\u30dd\u30a4\u30f3\u30c8\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u307e\u305f\u3001\u4ed5\u4e0a\u3052\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u9ed2\u8272\u9178\u5316\u76ae\u819c\u3001\u30ea\u30f3\u9178\u5869\u51e6\u7406\u3001\u6709\u6a5f\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\uff09\u306f\u8150\u98df\u3092\u9632\u304e\u307e\u3059\u3002\u5f8c\u5de5\u7a0b\u691c\u67fb\u306e\u8a73\u7d30\u306f\u3001 <a href=\"https:\/\/dinglidiespring.com\/ja\/process\/aftertreatment\/\">\u5f8c\u51e6\u7406\u30da\u30fc\u30b8<\/a>, \u306f\u3001\u975e\u7834\u58ca\u691c\u67fb\u3001\u786c\u5ea6\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3001\u81ea\u7531\u9ad8\u3055\u30c1\u30a7\u30c3\u30af\u3001\u75b2\u52b4\u8a66\u9a13\u3092\u7db2\u7f85\u3057\u3066\u304a\u308a\u3001\u5404\u30d0\u30c3\u30c1\u306f\u8a2d\u8a08\u671f\u9593\u5185\u306b\u5de5\u5834\u3092\u51fa\u8377\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4\u3064\u306e\u5178\u578b\u7684\u306a\u91d1\u578b\u30b7\u30ca\u30ea\u30aa\u3068\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u9078\u3073\u65b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b7\u30f3\u30b0\u30eb\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30b9\u30bf\u30f3\u30d4\u30f3\u30b0<\/strong>: \u79fb\u52d5\u8ddd\u96e2\u304c\u77ed\u304f\u3001\u4f7f\u7528\u983b\u5ea6\u304c\u9ad8\u304f\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u8fc5\u901f\u3067\u3059\u300265Mn \u306f\u9069\u5207\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001\u30b9\u30c8\u30ed\u30fc\u30af\u304c\u6700\u5927\u5727\u7e2e\u306e 40 % \u4ee5\u5185\u306b\u53ce\u307e\u308b\u3088\u3046\u306b\u6a5f\u68b0\u5f0f\u30b9\u30c8\u30c3\u30d7\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30c0\u30a4<\/strong>\u30ed\u30f3\u30b0\u30b9\u30c8\u30ed\u30fc\u30af\u3001\u540c\u671f\u30b9\u30d7\u30ea\u30f3\u30b0\u300250CrVA\u306e\u9ad8\u3044\u5f3e\u6027\u9650\u754c\u306b\u3088\u308a\u3001\u4f59\u88d5\u306e\u3042\u308b\u52d5\u4f5c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u91d1\u578b\u3092\u6a5f\u80fd\u30be\u30fc\u30f3\u306b\u5206\u5272\u3057\u3001\u5404\u30be\u30fc\u30f3\u306b15 %\u4ee5\u4e0a\u306e\u8377\u91cd\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u91d1\u578b\uff08\u30ea\u30bf\u30fc\u30f3\u30b7\u30b9\u30c6\u30e0\uff09<\/strong>: \u4e00\u5b9a\u6e29\u5ea6\u3068\u5727\u7e2e\u300255CrSi \u306f\u5f1b\u7de9\u306b\u62b5\u6297\u3057\u3001\u5f37\u56fa\u306a\u30e1\u30a4\u30f3 \u30ea\u30bf\u30fc\u30f3 \u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u4e2d\u306f\u5e38\u306b\u30b9\u30c8\u30ed\u30fc\u30af\u3092\u89e3\u653e\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30c0\u30a4\u30ab\u30b9\u30c8\u91d1\u578b<\/strong>\u9ad8\u6e29\u3001\u632f\u52d5\u3001\u305d\u3057\u3066\u6c5a\u308c\u3002\u30ea\u30f3\u9178\u5869\u51e6\u7406\u3055\u308c\u305f55CrSi\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3001\u6eb6\u878d\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u30b3\u30a4\u30eb\u306b\u4ed8\u7740\u3059\u308b\u306e\u3092\u9632\u3050\u4fdd\u8b77\u30b9\u30ea\u30fc\u30d6\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30df\u30cb\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8 - \u6b21\u306e\u5834\u5408\u306f\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044:<\/strong> \u81ea\u7531\u9ad8\u3055\u304c 2 % \u4ee5\u4e0a\u4f4e\u4e0b\u3057\u3001\u52d5\u4f5c\u30b9\u30c8\u30ed\u30fc\u30af\u304c\u6700\u5927\u5727\u7e2e\u306e 60 % \u3092\u8d85\u3048\u3001\u8868\u9762\u306b\u9752\u3044\u713c\u304d\u5165\u308c\u75d5\u307e\u305f\u306f\u3072\u3073\u5272\u308c\u304c\u73fe\u308c\u3001\u623b\u308a\u304c\u300c2 \u6bb5\u968e\u300d\u306e\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u3001\u307e\u305f\u306f\u624b\u306e\u5727\u529b\u304c\u67d4\u3089\u304b\u304f\u611f\u3058\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u91d1\u578b\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6148\u6e13\u30c7\u30a3\u30ea\u30b9\u30d7\u30ea\u30f3\u30b0\u682a\u5f0f\u4f1a\u793e\u306b\u623b\u3063\u3066\u304f\u308b\u7406\u7531.<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1995 \u5e74\u306b\u8a2d\u7acb\u3055\u308c\u3001\u81ea\u52d5\u8eca\u3001\u5bb6\u96fb\u3001\u6c11\u751f\u7528\u96fb\u5b50\u6a5f\u5668\u306e\u30c4\u30fc\u30eb\u306b\u95a2\u3059\u308b\u8c4a\u5bcc\u306a\u7d4c\u9a13\u3092\u6709\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u5b8c\u5168\u306a\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa: JIS \u304a\u3088\u3073\u7c73\u56fd\u306e\u8272\u5206\u3051\u3055\u308c\u305f\u30c0\u30a4 \u30b9\u30d7\u30ea\u30f3\u30b0\u3001\u5727\u7e2e\u3001\u4f38\u9577\u3001\u306d\u3058\u308a\u3001\u30df\u30e5\u30fc\u30b8\u30c3\u30af \u30ef\u30a4\u30e4\u3001\u30ab\u30b9\u30bf\u30e0\u5f62\u72b6\u306e\u90e8\u54c1\u3092\u4e16\u754c\u4e2d\u306b\u51fa\u8377\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u5dfb\u304d\u53d6\u308a\u304b\u3089\u71b1\u51e6\u7406\u3001\u30b7\u30e7\u30c3\u30c8\u30d4\u30fc\u30cb\u30f3\u30b0\u3001\u6700\u7d42\u691c\u67fb\u307e\u3067\u3001JIS\u3001DIN\u3001ANSI\u3001ISO\u3001GB \u898f\u683c\u306b\u6e96\u62e0\u3057\u305f\u5b8c\u5168\u306a\u81ea\u793e\u88fd\u30c1\u30a7\u30fc\u30f3\u3067\u3059\u3002.<\/li>\n\n\n\n<li>\u7d20\u65e9\u3044\u30ab\u30b9\u30bf\u30de\u30a4\u30ba: \u56f3\u9762\u3084\u4ed5\u69d8\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066 <a href=\"https:\/\/dinglidiespring.com\/ja\/custom-springs-precision-solutions-for-automotive-medical-industrial-applications-dingli-spring\/\">\u30ab\u30b9\u30bf\u30e0\u30b9\u30d7\u30ea\u30f3\u30b0\u30ea\u30af\u30a8\u30b9\u30c8<\/a> \u30d5\u30a9\u30fc\u30e0\u306b\u8a18\u5165\u3059\u308b\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30c1\u30fc\u30e0\u304c\u529b\u66f2\u7dda\u3001\u6750\u6599\u306e\u63d0\u6848\u3001\u30ea\u30fc\u30c9 \u30bf\u30a4\u30e0\u3092\u8fd4\u4fe1\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u900f\u660e\u306a\u30ea\u30bd\u30fc\u30b9\uff1a <a href=\"https:\/\/dinglidiespring.com\/ja\/products\/\">\u88fd\u54c1\u30ab\u30bf\u30ed\u30b0<\/a>, \u4f1a\u793e\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u77e5\u308b <a href=\"https:\/\/dinglidiespring.com\/ja\/about-dingli\/\">\u30c7\u30a3\u30f3\u30b0\u30ea\u306b\u3064\u3044\u3066<\/a>, \u3001\u307e\u305f\u306f\u30c1\u30fc\u30e0\u306b\u9023\u7d61\u3057\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/dinglidiespring.com\/ja\/contact-us\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30da\u30fc\u30b8<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081: \u6750\u6599\u30b0\u30ec\u30fc\u30c9\u3092BOM\u306b\u8a18\u8f09\u3057\u3066\u5b89\u5fc3\u611f\u3092\u5f97\u308b<\/h2>\n\n\n\n<p>\u30b9\u30d7\u30ea\u30f3\u30b0\u4ea4\u63db\u3092\u307e\u308b\u3067\u9283\u6483\u6226\u306e\u3088\u3046\u306b\u8003\u3048\u308b\u306e\u306f\u3084\u3081\u307e\u3057\u3087\u3046\u300265Mn\u300150CrVA\u300155CrSi\u306e\u305d\u308c\u305e\u308c\u306e\u6750\u8cea\u3092\u6587\u66f8\u5316\u3057\u3001\u8377\u91cd-\u30b9\u30c8\u30ed\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3059\u308c\u3070\u3001\u91d1\u578b\u306f\u6700\u7d42\u7684\u306b\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6148\u6e13\u8fea\u529b\u30b9\u30d7\u30ea\u30f3\u30b0\u682a\u5f0f\u4f1a\u793e\u306f\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3001\u63a8\u6e2c\u3067\u306f\u306a\u304f\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u305f\u610f\u601d\u6c7a\u5b9a\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u5348\u5f8c1\u65e5\u304b\u3051\u3066\u3001\u73fe\u5728\u304a\u4f7f\u3044\u306e\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u70b9\u691c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3069\u306e\u30b9\u30d7\u30ea\u30f3\u30b0\u304c\u5ec3\u68c4\u6642\u671f\u3092\u8fce\u3048\u3066\u3044\u3066\u3001\u3069\u306e\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u6a19\u6e96\u5316\u3067\u304d\u308b\u306e\u304b\uff1f\u30c7\u30fc\u30bf\u304c\u63c3\u3048\u3070\u3001\u91d1\u578b\u3001\u305d\u3057\u3066\u751f\u7523\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3082\u843d\u3061\u7740\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>65Mn \u3068 50CrVA \u306e\u6e29\u5ea6\u4e0a\u9650\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b?<\/strong><br>65Mn\u306f120\u2103\u3092\u8d85\u3048\u308b\u3068\u7de9\u548c\u304c\u59cb\u307e\u308a\u307e\u3059\u304c\u300150CrVA\u306f\u30d0\u30ca\u30b8\u30a6\u30e0\u306e\u304a\u304b\u3052\u3067\u7d04150\u2103\u307e\u3067\u8010\u3048\u3089\u308c\u307e\u3059\u3002\u91d1\u578b\u304c\u9ad8\u6e29\u57df\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u5834\u5408\u306f\u300150CrVA\u307e\u305f\u306f55CrSi\u3092\u304a\u9078\u3073\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u5bff\u547d\u3092\u3069\u306e\u3088\u3046\u306b\u63a8\u5b9a\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/strong><br>\u4f5c\u52d5\u30b9\u30c8\u30ed\u30fc\u30af\u3092\u3072\u305a\u307f\u306b\u5909\u63db\u3057\u30011.2\uff5e1.5\u306e\u5b89\u5168\u4fc2\u6570\u3092\u52a0\u5473\u3057\u305f\u6750\u6599\u306e\u75b2\u52b4\u9650\u5ea6\u3068\u6bd4\u8f03\u3057\u3001\u30d7\u30ec\u30b9\u30b9\u30c8\u30ed\u30fc\u30af\u901f\u5ea6\u3092\u30af\u30ed\u30b9\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002Dingli\u306f\u3001\u529b-\u30b9\u30c8\u30ed\u30fc\u30af-\u5bff\u547d\u30ad\u30e5\u30fc\u30d6\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30a4\u30af\u30eb\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30b7\u30e7\u30c3\u30c8\u30d4\u30fc\u30cb\u30f3\u30b0\u3092\u3059\u308b\u3068\u672c\u5f53\u306b\u786c\u5ea6\u304c\u5909\u308f\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><br>\u306f\u3044\u3001\u8868\u9762HV\u306f\u901a\u5e385\uff5e10\u30dd\u30a4\u30f3\u30c8\u4e0a\u6607\u3057\u307e\u3059\u304c\u3001\u771f\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u5727\u7e2e\u6b8b\u7559\u5fdc\u529b\u306b\u3088\u308b\u75b2\u52b4\u5bff\u547d\u306e\u5ef6\u9577\u3067\u3059\u3002\u30d4\u30fc\u30cb\u30f3\u30b0\u5c64\u306f\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3057\u3001\u6469\u8017\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u518d\u52a0\u5de5\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u9577\u6642\u9593\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u4e2d\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u306f\u3069\u306e\u3088\u3046\u306b\u4fdd\u7ba1\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/strong><br>\u30b9\u30c8\u30ed\u30fc\u30af\u3092\u89e3\u653e\u3057\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u3092\u53d6\u308a\u5916\u3059\u304b\u958b\u3044\u305f\u307e\u307e\u306b\u3057\u3001\u9632\u9306\u5264\u3092\u5857\u5e03\u3057\u3066\u4e7e\u71e5\u3057\u305f\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u306b\u4fdd\u7ba1\u3057\u307e\u3059\u300265Mn \u306f\u7279\u306b\u6e7f\u5ea6\u306b\u654f\u611f\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u6ce8\u6587\u524d\u306b\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/strong><br>\u81ea\u7531\u9ad8\u3001\u5916\u5f84\/\u5185\u5f84\u3001\u30ef\u30a4\u30e4\u5f84\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30b3\u30a4\u30eb\u3001\u76ee\u6a19\u8377\u91cd\u3001\u52d5\u4f5c\u30b9\u30c8\u30ed\u30fc\u30af\u3001\u4f7f\u7528\u53ef\u80fd\u30b9\u30da\u30fc\u30b9\u3001\u52d5\u4f5c\u6e29\u5ea6\u3002\u5b9f\u969b\u306e\u8377\u91cd\u66f2\u7dda\u3092\u3054\u5171\u6709\u3044\u305f\u3060\u3051\u308c\u3070\u3001Dingli\u306f\u3055\u3089\u306b\u8fc5\u901f\u306b\u5bfe\u5fdc\u3044\u305f\u3057\u307e\u3059\u3002.<\/li>\n<\/ol>\n\n\n\n<p><strong>\u63a5\u89e6<\/strong><br>\ud83d\udce7 \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9: <a href=\"mailto:mengyaopan@dinglidiespring.com\">mengyaopan@dinglidiespring.com<\/a><br>\ud83d\udcf1 WhatsApp: <a href=\"tel:+8613586942004\">+86 13586942004<\/a><\/p>\n\n\n\n<ul class=\"wp-block-social-links aligncenter is-content-justification-center is-layout-flex wp-container-core-social-links-is-layout-a89b3969 wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-facebook  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.facebook.com\/profile.php?id=61578762587940\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2C6.5 2 2 6.5 2 12c0 5 3.7 9.1 8.4 9.9v-7H7.9V12h2.5V9.8c0-2.5 1.5-3.9 3.8-3.9 1.1 0 2.2.2 2.2.2v2.5h-1.3c-1.2 0-1.6.8-1.6 1.6V12h2.8l-.4 2.9h-2.3v7C18.3 21.1 22 17 22 12c0-5.5-4.5-10-10-10z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">\u30d5\u30a7\u30a4\u30b9\u30d6\u30c3\u30af<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-youtube  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/@dinglidiespring\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M21.8,8.001c0,0-0.195-1.378-0.795-1.985c-0.76-0.797-1.613-0.801-2.004-0.847c-2.799-0.202-6.997-0.202-6.997-0.202 h-0.009c0,0-4.198,0-6.997,0.202C4.608,5.216,3.756,5.22,2.995,6.016C2.395,6.623,2.2,8.001,2.2,8.001S2,9.62,2,11.238v1.517 c0,1.618,0.2,3.237,0.2,3.237s0.195,1.378,0.795,1.985c0.761,0.797,1.76,0.771,2.205,0.855c1.6,0.153,6.8,0.201,6.8,0.201 s4.203-0.006,7.001-0.209c0.391-0.047,1.243-0.051,2.004-0.847c0.6-0.607,0.795-1.985,0.795-1.985s0.2-1.618,0.2-3.237v-1.517 C22,9.62,21.8,8.001,21.8,8.001z M9.935,14.594l-0.001-5.62l5.404,2.82L9.935,14.594z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">\u30e6\u30fc\u30c1\u30e5\u30fc\u30d6<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-tiktok  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.tiktok.com\/@die.spring.manufac\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 32 32\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M16.708 0.027c1.745-0.027 3.48-0.011 5.213-0.027 0.105 2.041 0.839 4.12 2.333 5.563 1.491 1.479 3.6 2.156 5.652 2.385v5.369c-1.923-0.063-3.855-0.463-5.6-1.291-0.76-0.344-1.468-0.787-2.161-1.24-0.009 3.896 0.016 7.787-0.025 11.667-0.104 1.864-0.719 3.719-1.803 5.255-1.744 2.557-4.771 4.224-7.88 4.276-1.907 0.109-3.812-0.411-5.437-1.369-2.693-1.588-4.588-4.495-4.864-7.615-0.032-0.667-0.043-1.333-0.016-1.984 0.24-2.537 1.495-4.964 3.443-6.615 2.208-1.923 5.301-2.839 8.197-2.297 0.027 1.975-0.052 3.948-0.052 5.923-1.323-0.428-2.869-0.308-4.025 0.495-0.844 0.547-1.485 1.385-1.819 2.333-0.276 0.676-0.197 1.427-0.181 2.145 0.317 2.188 2.421 4.027 4.667 3.828 1.489-0.016 2.916-0.88 3.692-2.145 0.251-0.443 0.532-0.896 0.547-1.417 0.131-2.385 0.079-4.76 0.095-7.145 0.011-5.375-0.016-10.735 0.025-16.093z\" \/><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">\u30c6\u30a3\u30c3\u30af\u30c8\u30c3\u30af<\/span><\/a><\/li><\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Every time a die set comes back online, the first thing most operators check is the color of the spring, maybe whether there\u2019s oil residue, and then they hit the cycle button. Too often, the first batch ends with a loud \u201cclack,\u201d a stuck punch, or a rejected lot. We lean on color codes and gut feeling, while the real game is being played by material grades, stiffness, heat treatment, and maintenance. This article translates those data points into plain English, with a sharp focus on 65Mn, 50CrVA, and 55CrSi die springs and the lessons Cixi Dili Spring Co., Ltd. has learned on shop floors worldwide. The Three Core Materials [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":8326,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"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":""},"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":[1,22],"tags":[],"class_list":["post-8325","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-die-spring","category-technical-springs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Die Spring Materials 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights<\/title>\n<meta name=\"description\" content=\"Understand how 65Mn, 50CrVA, and 55CrSi die springs differ in stiffness, toughness, and heat resistance, plus process tips from Cixi Dili Spring Co., Ltd.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dinglidiespring.com\/ja\/die-spring-materials-65mn-50crva-55crsi\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Die Spring Materials 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights\" \/>\n<meta property=\"og:description\" content=\"Understand how 65Mn, 50CrVA, and 55CrSi die springs differ in stiffness, toughness, and heat resistance, plus process tips from Cixi Dili Spring Co., Ltd.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dinglidiespring.com\/ja\/die-spring-materials-65mn-50crva-55crsi\/\" \/>\n<meta property=\"og:site_name\" content=\"dinglispring\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61557424736593\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-03T04:52:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-03T04:52:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"lu, chang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"lu, chang\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/\"},\"author\":{\"name\":\"lu, chang\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#\\\/schema\\\/person\\\/29f726d7c645f0a5f1e49d6cdc0968ca\"},\"headline\":\"Stop Letting Die Springs Fail Just Because the Color Looked Right\",\"datePublished\":\"2026-02-03T04:52:36+00:00\",\"dateModified\":\"2026-02-03T04:52:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/\"},\"wordCount\":1106,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/die-spring-materials-1770094293.webp\",\"articleSection\":[\"Die spring\",\"Technical Springs\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/\",\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/\",\"name\":\"Die Spring Materials 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/die-spring-materials-1770094293.webp\",\"datePublished\":\"2026-02-03T04:52:36+00:00\",\"dateModified\":\"2026-02-03T04:52:38+00:00\",\"description\":\"Understand how 65Mn, 50CrVA, and 55CrSi die springs differ in stiffness, toughness, and heat resistance, plus process tips from Cixi Dili Spring Co., Ltd.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#primaryimage\",\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/die-spring-materials-1770094293.webp\",\"contentUrl\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/die-spring-materials-1770094293.webp\",\"width\":1200,\"height\":630,\"caption\":\"JIS and US die springs for export tooling comparison\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/die-spring-materials-65mn-50crva-55crsi\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/dinglidiespring.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Stop Letting Die Springs Fail Just Because the Color Looked Right\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#website\",\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/\",\"name\":\"dinglispring\",\"description\":\"Dingli has been supplying high quality springs and wires for 30 years. We offer fast delivery as well as professional design support. Please contact us to learn more about our capabilities and services.\",\"publisher\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/dinglidiespring.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#organization\",\"name\":\"dinglispring\",\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/dinglidiespringlogo.png\",\"contentUrl\":\"https:\\\/\\\/dinglidiespring.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/dinglidiespringlogo.png\",\"width\":400,\"height\":100,\"caption\":\"dinglispring\"},\"image\":{\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61557424736593\",\"https:\\\/\\\/www.youtube.com\\\/@dinglidiespring\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/dinglidiespring.com\\\/#\\\/schema\\\/person\\\/29f726d7c645f0a5f1e49d6cdc0968ca\",\"name\":\"lu, chang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g\",\"caption\":\"lu, chang\"},\"sameAs\":[\"https:\\\/\\\/dinglidiespring.com\\\/\"],\"url\":\"https:\\\/\\\/dinglidiespring.com\\\/ja\\\/author\\\/dinglidiespring\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u6750\u6599 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights","description":"65Mn\u300150CrVA\u300155CrSi \u30c0\u30a4 \u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u525b\u6027\u3001\u976d\u6027\u3001\u8010\u71b1\u6027\u306e\u9055\u3044\u3001\u304a\u3088\u3073 Cixi Dili Spring Co., Ltd. \u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d2\u30f3\u30c8\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dinglidiespring.com\/ja\/die-spring-materials-65mn-50crva-55crsi\/","og_locale":"ja_JP","og_type":"article","og_title":"Die Spring Materials 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights","og_description":"Understand how 65Mn, 50CrVA, and 55CrSi die springs differ in stiffness, toughness, and heat resistance, plus process tips from Cixi Dili Spring Co., Ltd.","og_url":"https:\/\/dinglidiespring.com\/ja\/die-spring-materials-65mn-50crva-55crsi\/","og_site_name":"dinglispring","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61557424736593","article_published_time":"2026-02-03T04:52:36+00:00","article_modified_time":"2026-02-03T04:52:38+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp","type":"image\/webp"}],"author":"lu, chang","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"lu, chang","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"6\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#article","isPartOf":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/"},"author":{"name":"lu, chang","@id":"https:\/\/dinglidiespring.com\/#\/schema\/person\/29f726d7c645f0a5f1e49d6cdc0968ca"},"headline":"Stop Letting Die Springs Fail Just Because the Color Looked Right","datePublished":"2026-02-03T04:52:36+00:00","dateModified":"2026-02-03T04:52:38+00:00","mainEntityOfPage":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/"},"wordCount":1106,"commentCount":0,"publisher":{"@id":"https:\/\/dinglidiespring.com\/#organization"},"image":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#primaryimage"},"thumbnailUrl":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp","articleSection":["Die spring","Technical Springs"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/","url":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/","name":"\u30c0\u30a4\u30b9\u30d7\u30ea\u30f3\u30b0\u6750\u6599 65Mn vs 50CrVA vs 55CrSi | Cixi Dili Spring Insights","isPartOf":{"@id":"https:\/\/dinglidiespring.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#primaryimage"},"image":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#primaryimage"},"thumbnailUrl":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp","datePublished":"2026-02-03T04:52:36+00:00","dateModified":"2026-02-03T04:52:38+00:00","description":"65Mn\u300150CrVA\u300155CrSi \u30c0\u30a4 \u30b9\u30d7\u30ea\u30f3\u30b0\u306e\u525b\u6027\u3001\u976d\u6027\u3001\u8010\u71b1\u6027\u306e\u9055\u3044\u3001\u304a\u3088\u3073 Cixi Dili Spring Co., Ltd. \u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d2\u30f3\u30c8\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.","breadcrumb":{"@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#primaryimage","url":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp","contentUrl":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2026\/02\/die-spring-materials-1770094293.webp","width":1200,"height":630,"caption":"JIS and US die springs for export tooling comparison"},{"@type":"BreadcrumbList","@id":"https:\/\/dinglidiespring.com\/die-spring-materials-65mn-50crva-55crsi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/dinglidiespring.com\/"},{"@type":"ListItem","position":2,"name":"Stop Letting Die Springs Fail Just Because the Color Looked Right"}]},{"@type":"WebSite","@id":"https:\/\/dinglidiespring.com\/#website","url":"https:\/\/dinglidiespring.com\/","name":"\u30c7\u30a3\u30f3\u30b0\u30ea\u30b9\u30d7\u30ea\u30f3\u30b0","description":"Dingli\u306f30\u5e74\u306b\u308f\u305f\u308a\u3001\u9ad8\u54c1\u8cea\u306e\u30d0\u30cd\u3068\u30ef\u30a4\u30e4\u30fc\u3092\u4f9b\u7d66\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u8fc5\u901f\u306a\u7d0d\u54c1\u3068\u5c02\u9580\u7684\u306a\u8a2d\u8a08\u30b5\u30dd\u30fc\u30c8\u3092\u3054\u63d0\u4f9b\u3044\u305f\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u80fd\u529b\u3068\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002","publisher":{"@id":"https:\/\/dinglidiespring.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/dinglidiespring.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/dinglidiespring.com\/#organization","name":"\u30c7\u30a3\u30f3\u30b0\u30ea\u30b9\u30d7\u30ea\u30f3\u30b0","url":"https:\/\/dinglidiespring.com\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/dinglidiespring.com\/#\/schema\/logo\/image\/","url":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2025\/05\/dinglidiespringlogo.png","contentUrl":"https:\/\/dinglidiespring.com\/wp-content\/uploads\/2025\/05\/dinglidiespringlogo.png","width":400,"height":100,"caption":"dinglispring"},"image":{"@id":"https:\/\/dinglidiespring.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61557424736593","https:\/\/www.youtube.com\/@dinglidiespring"]},{"@type":"Person","@id":"https:\/\/dinglidiespring.com\/#\/schema\/person\/29f726d7c645f0a5f1e49d6cdc0968ca","name":"\u30eb\u30fc\u3001\u30c1\u30e3\u30f3","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8bd38910d64dfdc80d38f843eb7f9318a752da4ba7272895c00274e374adfc59?s=96&d=mm&r=g","caption":"lu, chang"},"sameAs":["https:\/\/dinglidiespring.com\/"],"url":"https:\/\/dinglidiespring.com\/ja\/author\/dinglidiespring\/"}]}},"_links":{"self":[{"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/posts\/8325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/comments?post=8325"}],"version-history":[{"count":1,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/posts\/8325\/revisions"}],"predecessor-version":[{"id":8327,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/posts\/8325\/revisions\/8327"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/media\/8326"}],"wp:attachment":[{"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/media?parent=8325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/categories?post=8325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dinglidiespring.com\/ja\/wp-json\/wp\/v2\/tags?post=8325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}