{"id":3500,"date":"2025-08-31T23:47:58","date_gmt":"2025-08-31T15:47:58","guid":{"rendered":"https:\/\/keep-win.com\/?p=3500"},"modified":"2025-08-31T23:47:58","modified_gmt":"2025-08-31T15:47:58","slug":"%e3%82%b3%e3%83%b3%e3%83%97%e3%83%ac%e3%83%83%e3%82%b5%e3%83%bc%e7%94%a8%e3%83%80%e3%82%af%e3%82%bf%e3%82%a4%e3%83%ab%e9%8b%b3%e9%89%84%e3%83%9d%e3%83%b3%e3%83%97-astm-a395-vs-qt450-10%e3%81%ae","status":"publish","type":"post","link":"https:\/\/www.keep-win.com\/ja\/%e3%82%b3%e3%83%b3%e3%83%97%e3%83%ac%e3%83%83%e3%82%b5%e3%83%bc%e7%94%a8%e3%83%80%e3%82%af%e3%82%bf%e3%82%a4%e3%83%ab%e9%8b%b3%e9%89%84%e3%83%9d%e3%83%b3%e3%83%97-astm-a395-vs-qt450-10%e3%81%ae\/","title":{"rendered":"\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u304a\u3088\u3073\u30dd\u30f3\u30d7\u7528\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff1aASTM A395\u3068QT450-10\u306e\u6bd4\u8f03"},"content":{"rendered":"<h3 data-start=\"569\" data-end=\"638\">\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff1a\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u3068\u30dd\u30f3\u30d7\u90e8\u54c1\u306e\u7406\u60f3\u7684\u306a\u9078\u629e<\/h3>\n<p data-start=\"639\" data-end=\"920\">\u7523\u696d\u6a5f\u68b0\u3067\u306f\u3001\u6750\u6599\u306e\u9078\u629e\u304c\u6027\u80fd\u3001\u4fe1\u983c\u6027\u3001\u8010\u7528\u5e74\u6570\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u6975\u5727\u4e0b\u3067\u4f5c\u52d5\u3059\u308b\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u3001\u30dd\u30f3\u30d7\u3001\u30d0\u30eb\u30d6\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u90e8\u54c1\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 <strong data-start=\"822\" data-end=\"862\">\u30b7\u30ea\u30f3\u30c0\u30fc\u3001\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u3001\u30d4\u30b9\u30c8\u30f3<\/strong> \u7d44\u307f\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b <strong data-start=\"876\" data-end=\"917\">\u512a\u308c\u305f\u5ef6\u6027\u3092\u5099\u3048\u305f\u9ad8\u5f37\u5ea6<\/strong>.<\/p>\n<p data-start=\"922\" data-end=\"1049\">\u3053\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u7d20\u6750\u306f <strong data-start=\"965\" data-end=\"981\">\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244<\/strong>\u7279\u306bASTM A395\u3084QT450-10\u306e\u3088\u3046\u306a\u9ad8\u4f38\u3073\u92fc\u7a2e\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/p>\n<hr data-start=\"1051\" data-end=\"1054\" \/>\n<h3 data-start=\"1056\" data-end=\"1100\">ASTM A395\uff1a\u9ad8\u5ef6\u6027\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/h3>\n<p data-start=\"1101\" data-end=\"1150\">ASTM A395\u306f\u30d5\u30a7\u30e9\u30a4\u30c8\u7cfb\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u308b\uff1a<\/p>\n<ul data-start=\"1151\" data-end=\"1462\">\n<li data-start=\"1151\" data-end=\"1237\">\n<p data-start=\"1153\" data-end=\"1237\"><strong data-start=\"1153\" data-end=\"1184\">\u9ad8\u4f38\u5ea6\uff0820%\u307e\u3067\uff09<\/strong> \u2192 \u512a\u308c\u305f\u8010\u885d\u6483\u6027\u3068\u30af\u30e9\u30c3\u30af\u9632\u6b62<\/p>\n<\/li>\n<li data-start=\"1238\" data-end=\"1462\">\n<p data-start=\"1240\" data-end=\"1259\"><strong data-start=\"1240\" data-end=\"1256\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>:<\/p>\n<ul data-start=\"1262\" data-end=\"1462\">\n<li data-start=\"1262\" data-end=\"1322\">\n<p data-start=\"1264\" data-end=\"1322\">\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u30b7\u30ea\u30f3\u30c0\u30fc - \u9ad8\u5727\u30ac\u30b9\u306e\u885d\u6483\u306b\u8010\u3048\u308b<\/p>\n<\/li>\n<li data-start=\"1325\" data-end=\"1398\">\n<p data-start=\"1327\" data-end=\"1398\">\u30dd\u30f3\u30d7\u672c\u4f53\u3068\u30d0\u30eb\u30d6 - \u69cb\u9020\u7684\u5b8c\u5168\u6027\u3068\u5bc6\u9589\u6027\u3092\u78ba\u4fdd<\/p>\n<\/li>\n<li data-start=\"1401\" data-end=\"1462\">\n<p data-start=\"1403\" data-end=\"1462\">\u30d1\u30a4\u30d7\u3068\u7d99\u624b - \u66f2\u3052\u8377\u91cd\u3084\u885d\u6483\u8377\u91cd\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u6027<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr data-start=\"1464\" data-end=\"1467\" \/>\n<h3 data-start=\"1469\" data-end=\"1510\">\u4e2d\u56fd\u306e\u7b49\u7d1aQT450-10 vs QT500-7<\/h3>\n<p data-start=\"1511\" data-end=\"1580\">\u4e2d\u56fd\u306e\u540c\u7b49\u306e\u30c0\u30af\u30bf\u30a4\u30eb\u9244\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u4ee3\u66ff\u54c1\u3068\u306a\u308b\uff1a<\/p>\n<ul data-start=\"1582\" data-end=\"1967\">\n<li data-start=\"1582\" data-end=\"1798\">\n<p data-start=\"1584\" data-end=\"1598\"><strong data-start=\"1584\" data-end=\"1596\">QT450-10<\/strong><\/p>\n<ul data-start=\"1601\" data-end=\"1798\">\n<li data-start=\"1601\" data-end=\"1631\">\n<p data-start=\"1603\" data-end=\"1631\">\u5f15\u5f35\u5f37\u3055 \u2265 450 MPa<\/p>\n<\/li>\n<li data-start=\"1634\" data-end=\"1662\">\n<p data-start=\"1636\" data-end=\"1662\">\u964d\u4f0f\u5f37\u3055 \u2265 280 MPa<\/p>\n<\/li>\n<li data-start=\"1665\" data-end=\"1725\">\n<p data-start=\"1667\" data-end=\"1725\">\u4f38\u3073 \u2265 10% \u2192 \u5f37\u976d\u6027\u3001\u8010\u4e80\u88c2\u6027<\/p>\n<\/li>\n<li data-start=\"1728\" data-end=\"1798\">\n<p data-start=\"1730\" data-end=\"1798\">ASTM A3705 \u306b\u6700\u3082\u8fd1\u304f\u3001\u8010\u5727\u90e8\u54c1\u306b\u6700\u9069\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1800\" data-end=\"1967\">\n<p data-start=\"1802\" data-end=\"1815\"><strong data-start=\"1802\" data-end=\"1813\">QT500-7<\/strong><\/p>\n<ul data-start=\"1818\" data-end=\"1967\">\n<li data-start=\"1818\" data-end=\"1848\">\n<p data-start=\"1820\" data-end=\"1848\">\u5f15\u5f35\u5f37\u3055 \u2265 500 MPa<\/p>\n<\/li>\n<li data-start=\"1851\" data-end=\"1898\">\n<p data-start=\"1853\" data-end=\"1898\">\u4f38\u3073 \u2265 7% \u2192 \u3088\u308a\u5f37\u3044\u304c\u5ef6\u6027\u306f\u52a3\u308b<\/p>\n<\/li>\n<li data-start=\"1901\" data-end=\"1967\">\n<p data-start=\"1903\" data-end=\"1967\">\u2699\ufe0f \u5f37\u5ea6\u304c\u91cd\u8981\u3060\u304c\u976d\u6027\u306f\u8efd\u3044\u7528\u9014\u306b\u6700\u9069<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"1969\" data-end=\"2070\">\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408 <strong data-start=\"1998\" data-end=\"2033\">\u5ef6\u6027\u3068\u8010\u885d\u6483\u6027<\/strong>, <strong data-start=\"2035\" data-end=\"2067\">QT450-10\u306f\u7406\u60f3\u7684\u306a\u9078\u629e<\/strong>.<\/p>\n<hr data-start=\"2072\" data-end=\"2075\" \/>\n<h3 data-start=\"2077\" data-end=\"2124\">\u30ab\u30b9\u30bf\u30e0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306bKeepwin\u3092\u9078\u3076\u7406\u7531<\/h3>\n<p data-start=\"2125\" data-end=\"2188\">\u30ad\u30fc\u30d7\u30a6\u30a3\u30f3\u3067\u306f\u3001\u7d20\u6750\u306e\u5c02\u9580\u77e5\u8b58\u3068\u7cbe\u5bc6\u88fd\u9020\u304c\u878d\u5408\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ul data-start=\"2190\" data-end=\"2471\">\n<li data-start=\"2190\" data-end=\"2282\">\n<p data-start=\"2192\" data-end=\"2282\"><strong data-start=\"2192\" data-end=\"2218\">\u5c02\u9580\u77e5\u8b58<\/strong>:\u4f5c\u696d\u6761\u4ef6\u306b\u57fa\u3065\u3044\u305f\u6b63\u78ba\u306a\u6750\u6599\u63a8\u5968<\/p>\n<\/li>\n<li data-start=\"2283\" data-end=\"2380\">\n<p data-start=\"2285\" data-end=\"2380\"><strong data-start=\"2285\" data-end=\"2311\">\u67d4\u8edf\u306a\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong>:\u6a19\u6e96\u92f3\u9020\u54c1\u3068\u975e\u6a19\u6e96\u92f3\u9020\u54c1\u3001\u5b8c\u5168\u306a\u6a5f\u68b0\u52a0\u5de5\u80fd\u529b<\/p>\n<\/li>\n<li data-start=\"2381\" data-end=\"2471\">\n<p data-start=\"2383\" data-end=\"2471\"><strong data-start=\"2383\" data-end=\"2406\">\u5353\u8d8a\u3057\u305f\u54c1\u8cea<\/strong>:\u8010\u4e45\u6027\u3068\u6027\u80fd\u3092\u4fdd\u8a3c\u3059\u308b\u53b3\u3057\u3044\u54c1\u8cea\u7ba1\u7406<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2473\" data-end=\"2581\">\u79c1\u305f\u3061\u306f\u3001\u6b21\u306e\u3082\u306e\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002 <strong data-start=\"2484\" data-end=\"2543\">\u9ad8\u6027\u80fd\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u3001\u30dd\u30f3\u30d7\u3001\u30d0\u30eb\u30d6\u90e8\u54c1<\/strong> \u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<hr data-start=\"2583\" data-end=\"2586\" \/>\n<h3 data-start=\"2588\" data-end=\"2612\">\u4eca\u3059\u3050\u884c\u52d5\u3092\u8d77\u3053\u305d\u3046\uff01<\/h3>\n<p data-start=\"2613\" data-end=\"2845\">\u5fc5\u8981\u306a\u5834\u5408 <strong data-start=\"2625\" data-end=\"2683\">\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b7\u30ea\u30f3\u30c0\u30fc\u3001\u30dd\u30f3\u30d7\u30cf\u30a6\u30b8\u30f3\u30b0\u3001\u30d0\u30eb\u30d6\u90e8\u54c1<\/strong> \u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u88fd\u306a\u3089Keepwin\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002\u79c1\u305f\u3061\u306e <strong data-start=\"2731\" data-end=\"2762\">\u30ab\u30b9\u30bf\u30e0\u8a2d\u8a08\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong> \u306f\u3001\u512a\u308c\u305f\u52b9\u7387\u6027\u3001\u5f37\u976d\u6027\u3001\u64cd\u696d\u306e\u5b89\u5b9a\u6027\u3092\u9054\u6210\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\uff1a\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u304a\u3088\u3073\u30dd\u30f3\u30d7\u90e8\u54c1\u306e\u7406\u60f3\u7684\u306a\u9078\u629e \u7523\u696d\u6a5f\u68b0\u3067\u306f\u3001\u6750\u6599\u306e\u9078\u629e\u304c\u6027\u80fd\u3001\u4fe1\u983c\u6027\u3001\u304a\u3088\u3073\u8010\u7528\u5e74\u6570\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u904e\u9177\u306a\u5727\u529b\u4e0b\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u3001\u30dd\u30f3\u30d7\u3001\u30d0\u30eb\u30d6\u3067\u306f\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u3001\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u3001\u30d4\u30b9\u30c8\u30f3\u306a\u3069\u306e\u90e8\u54c1\u306f\u3001\u9ad8\u3044\u5f37\u5ea6\u3068\u512a\u308c\u305f\u5ef6\u6027\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u6750\u6599\u304c\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3067\u3042\u308a\u3001\u7279\u306bASTM A395\u3084QT450-10\u306e\u3088\u3046\u306a\u9ad8\u4f38\u3073\u92fc\u7a2e\u3067\u3059\u3002ASTM A395\uff1a\u9ad8\u5ef6\u6027\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af ASTM A395\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u3067\u77e5\u3089\u308c\u308b\u30d5\u30a7\u30e9\u30a4\u30c8\u7cfb\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3067\u3059\uff1a\u9ad8\u3044\u4f38\u3073(20%\u307e\u3067)\u2192\u512a\u308c\u305f\u8010\u885d\u6483\u6027\u3068\u4e80\u88c2\u9632\u6b62 \u7528\u9014\u30b3\u30f3\u30d7\u30ec\u30c3\u30b5\u30fc\u30b7\u30ea\u30f3\u30c0\u30fc - \u9ad8\u5727\u30ac\u30b9\u306e\u885d\u6483\u306b\u8010\u3048\u308b \u30dd\u30f3\u30d7\u30dc\u30c7\u30a3\u3068\u30d0\u30eb\u30d6 - \u69cb\u9020\u7684\u5b8c\u5168\u6027\u3068\u5bc6\u9589\u6027\u3092\u78ba\u4fdd \u30d1\u30a4\u30d7\u3068 [...] \u7d9a\u304d\u3092\u8aad\u3080<\/p>","protected":false},"author":1,"featured_media":3502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,29],"tags":[],"class_list":["post-3500","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resource","category-technical-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ductile Iron for Compressors &amp; Pumps: ASTM A395 vs QT450-10 Explained - Keepwin | Indurstrial Gas Compressor | Diaphragm Compressor | Piston Air Compressor<\/title>\n<meta name=\"description\" content=\"Discover why ductile iron, especially ASTM A395 and QT450-10, is the best material choice for compressors, pumps, and valve components requiring high strength and toughness.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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