{"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":"%ec%95%95%ec%b6%95%ea%b8%b0-%ed%8e%8c%ed%94%84%ec%9a%a9-%ec%97%b0%ec%84%b1-%ec%a3%bc%ec%b2%a0-astm-a395-vs-qt450-10-%ec%84%a4%eb%aa%85","status":"publish","type":"post","link":"https:\/\/www.keep-win.com\/ko\/%ec%95%95%ec%b6%95%ea%b8%b0-%ed%8e%8c%ed%94%84%ec%9a%a9-%ec%97%b0%ec%84%b1-%ec%a3%bc%ec%b2%a0-astm-a395-vs-qt450-10-%ec%84%a4%eb%aa%85\/","title":{"rendered":"\ucef4\ud504\ub808\uc11c \ubc0f \ud38c\ud504\uc6a9 \uc5f0\uc131 \uc8fc\ucca0: ASTM A395\uc640 QT450-10 \ube44\uad50 \uc124\uba85"},"content":{"rendered":"<h3 data-start=\"569\" data-end=\"638\">\uc5f0\uc131 \uc8fc\ucca0: \ucef4\ud504\ub808\uc11c \ubc0f \ud38c\ud504 \ubd80\ud488\uc5d0 \uc774\uc0c1\uc801\uc778 \uc120\ud0dd<\/h3>\n<p data-start=\"639\" data-end=\"920\">\uc0b0\uc5c5 \uae30\uacc4\uc5d0\uc11c \uc18c\uc7ac \uc120\ud0dd\uc740 \uc131\ub2a5, \uc2e0\ub8b0\uc131, \uc11c\ube44\uc2a4 \uc218\uba85\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uadf9\ud55c\uc758 \uc555\ub825\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ucef4\ud504\ub808\uc11c, \ud38c\ud504 \ubc0f \ubc38\ube0c\uc758 \uacbd\uc6b0 \ub2e4\uc74c\uacfc \uac19\uc740 \ubd80\ud488\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. <strong data-start=\"822\" data-end=\"862\">\uc2e4\ub9b0\ub354, \ubc38\ube0c \ubcf8\uccb4 \ubc0f \ud53c\uc2a4\ud1a4<\/strong> \uacb0\ud569\ud574\uc57c \ud569\ub2c8\ub2e4. <strong data-start=\"876\" data-end=\"917\">\uc6b0\uc218\ud55c \uc5f0\uc131\uc744 \uac16\ucd98 \uace0\uac15\ub3c4<\/strong>.<\/p>\n<p data-start=\"922\" data-end=\"1049\">\uc774 \uade0\ud615\uc744 \uc774\ub8e8\ub294 \uc7ac\ub8cc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong data-start=\"965\" data-end=\"981\">\uc5f0\uc131 \ucca0<\/strong>\ud2b9\ud788 ASTM A395 \ubc0f QT450-10\uacfc \uac19\uc740 \uace0\uc2e0\uc728 \ub4f1\uae09\uc740 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n<hr data-start=\"1051\" data-end=\"1054\" \/>\n<h3 data-start=\"1056\" data-end=\"1100\">ASTM A395: \uace0\uc5f0\uc131 \ubca4\uce58\ub9c8\ud06c<\/h3>\n<p data-start=\"1101\" data-end=\"1150\">ASTM A395\ub294 \ud398\ub77c\uc774\ud2b8 \uc5f0\uc131 \ucca0\ub85c \uc798 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4:<\/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\">\ub192\uc740 \uc5f0\uc2e0\uc728(\ucd5c\ub300 20%)<\/strong> \u2192 \ub6f0\uc5b4\ub09c \ub0b4\ucda9\uaca9\uc131 \ubc0f \uade0\uc5f4 \ubc29\uc9c0<\/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\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/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\">\uc555\ucd95\uae30 \uc2e4\ub9b0\ub354 - \uace0\uc555 \uac00\uc2a4 \ucda9\uaca9\uc5d0 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li data-start=\"1325\" data-end=\"1398\">\n<p data-start=\"1327\" data-end=\"1398\">\ud38c\ud504 \ubcf8\uccb4 \ubc0f \ubc38\ube0c - \uad6c\uc870\uc801 \ubb34\uacb0\uc131 \ubc0f \uc644\ubcbd\ud55c \ubc00\ubd09 \ubcf4\uc7a5<\/p>\n<\/li>\n<li data-start=\"1401\" data-end=\"1462\">\n<p data-start=\"1403\" data-end=\"1462\">\ud30c\uc774\ud504 \ubc0f \ud53c\ud305 - \uad7d\ud798 \ub610\ub294 \ucda9\uaca9 \ud558\uc911\uc5d0\uc11c\ub3c4 \uc2e0\ub8b0\uc131 \ud655\ubcf4<\/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\">\uc911\uad6d\uc5b4 \ub4f1\uae09: QT450-10 \ub300 QT500-7<\/h3>\n<p data-start=\"1511\" data-end=\"1580\">\uc911\uad6d\uc758 \ub3d9\ub4f1\ud55c \uc5f0\uc131 \ucca0 \ub4f1\uae09\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub300\uc548\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/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\">\uc778\uc7a5 \uac15\ub3c4 \u2265 450MPa<\/p>\n<\/li>\n<li data-start=\"1634\" data-end=\"1662\">\n<p data-start=\"1636\" data-end=\"1662\">\ud56d\ubcf5 \uac15\ub3c4 \u2265 280MPa<\/p>\n<\/li>\n<li data-start=\"1665\" data-end=\"1725\">\n<p data-start=\"1667\" data-end=\"1725\">\uc5f0\uc2e0\uc728 \u2265 10% \u2192 \uac15\ud55c \uc778\uc131 \ubc0f \uade0\uc5f4 \uc800\ud56d\uc131<\/p>\n<\/li>\n<li data-start=\"1728\" data-end=\"1798\">\n<p data-start=\"1730\" data-end=\"1798\">\u2705 ASTM A395\uc5d0 \uac00\uc7a5 \uadfc\uc811\ud558\uc5ec \ub0b4\uc555 \ubd80\ud488\uc5d0 \uac00\uc7a5 \uc801\ud569\ud568<\/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\">\uc778\uc7a5 \uac15\ub3c4 \u2265 500MPa<\/p>\n<\/li>\n<li data-start=\"1851\" data-end=\"1898\">\n<p data-start=\"1853\" data-end=\"1898\">\uc5f0\uc2e0\uc728 \u2265 7% \u2192 \ub354 \uac15\ud558\uc9c0\ub9cc \uc5f0\uc131\uc740 \ub0ae\uc74c<\/p>\n<\/li>\n<li data-start=\"1901\" data-end=\"1967\">\n<p data-start=\"1903\" data-end=\"1967\">\u2699\ufe0f \uac15\ub3c4\uac00 \uc911\uc694\ud558\uc9c0\ub9cc \uc778\uc131\uc774 \uac00\ubcbc\uc6b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"1969\" data-end=\"2070\">\ud83d\udc49 \uc6b0\uc120\uc21c\uc704\uac00 \ub192\uc740 \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0 <strong data-start=\"1998\" data-end=\"2033\">\uc5f0\uc131 \ubc0f \ub0b4\ucda9\uaca9\uc131<\/strong>, <strong data-start=\"2035\" data-end=\"2067\">QT450-10\uc740 \uc774\uc0c1\uc801\uc778 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n<hr data-start=\"2072\" data-end=\"2075\" \/>\n<h3 data-start=\"2077\" data-end=\"2124\">\ucee4\uc2a4\ud140 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc704\ud574 \ud0b5\uc708\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uc774\uc720\ub294?<\/h3>\n<p data-start=\"2125\" data-end=\"2188\">\ud0b5\uc708\uc740 \uc18c\uc7ac \uc804\ubb38\uc131\uacfc \uc815\ubc00 \uc81c\uc870\ub97c \uacb0\ud569\ud569\ub2c8\ub2e4:<\/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\">\uc804\ubb38\uc801\uc778 \uc804\ubb38\uc131<\/strong>: \uc791\uc5c5 \uc870\uac74\uc5d0 \ub530\ub978 \uc815\ud655\ud55c \uc790\uc7ac \ucd94\ucc9c<\/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\">\uc720\uc5f0\ud55c \uc0ac\uc6a9\uc790 \uc9c0\uc815<\/strong>: \uc644\ubcbd\ud55c \uac00\uacf5 \ub2a5\ub825\uc744 \uac16\ucd98 \ud45c\uc900 \ubc0f \ube44\ud45c\uc900 \uc8fc\uc870\ud488<\/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\">\ud0c1\uc6d4\ud55c \ud488\uc9c8<\/strong>: \uc5c4\uaca9\ud55c \ud488\uc9c8 \uad00\ub9ac\ub97c \ud1b5\ud55c \ub0b4\uad6c\uc131 \ubc0f \uc131\ub2a5 \ubcf4\uc7a5<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2473\" data-end=\"2581\">\ub2e4\uc74c\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <strong data-start=\"2484\" data-end=\"2543\">\uace0\uc131\ub2a5 \ucef4\ud504\ub808\uc11c, \ud38c\ud504 \ubc0f \ubc38\ube0c \uad6c\uc131 \uc694\uc18c<\/strong> \uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<hr data-start=\"2583\" data-end=\"2586\" \/>\n<h3 data-start=\"2588\" data-end=\"2612\">\uc624\ub298 \ud589\ub3d9\uc5d0 \ub098\uc11c\uc138\uc694!<\/h3>\n<p data-start=\"2613\" data-end=\"2845\">\ud544\uc694\ud55c \uacbd\uc6b0 <strong data-start=\"2625\" data-end=\"2683\">\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc2e4\ub9b0\ub354, \ud38c\ud504 \ud558\uc6b0\uc9d5 \ub610\ub294 \ubc38\ube0c \uad6c\uc131\ud488<\/strong> \uc5f0\uc131 \ucca0\ub85c \uc81c\uc791\ub418\uc5c8\uc73c\ub2c8 \uc9c0\uae08 \ud0b5\uc708\uc5d0 \ubb38\uc758\ud558\uc138\uc694. \uc6b0\ub9ac\uc758 <strong data-start=\"2731\" data-end=\"2762\">\ub9de\ucda4\ud615 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc194\ub8e8\uc158<\/strong> \ub294 \ub6f0\uc5b4\ub09c \ud6a8\uc728\uc131, \uacac\uace0\uc131 \ubc0f \uc6b4\uc601 \uc548\uc815\uc131\uc744 \ub2ec\uc131\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc5f0\uc131 \uc8fc\ucca0: \uc555\ucd95\uae30 \ubc0f \ud38c\ud504 \ubd80\ud488\uc744 \uc704\ud55c \uc774\uc0c1\uc801\uc778 \uc120\ud0dd \uc0b0\uc5c5 \uae30\uacc4\uc5d0\uc11c \uc18c\uc7ac \uc120\ud0dd\uc740 \uc131\ub2a5, \uc2e0\ub8b0\uc131 \ubc0f \uc11c\ube44\uc2a4 \uc218\uba85\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uadf9\ud55c\uc758 \uc555\ub825\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ucef4\ud504\ub808\uc11c, \ud38c\ud504 \ubc0f \ubc38\ube0c\uc758 \uacbd\uc6b0 \uc2e4\ub9b0\ub354, \ubc38\ube0c \ubcf8\uccb4 \ubc0f \ud53c\uc2a4\ud1a4\uacfc \uac19\uc740 \uad6c\uc131\ud488\uc740 \uace0\uac15\ub3c4\uc640 \uc6b0\uc218\ud55c \uc5f0\uc131\uc744 \uacb0\ud569\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uade0\ud615\uc744 \uc774\ub8e8\ub294 \uc18c\uc7ac\ub294 \uc5f0\uc131 \ucca0, \ud2b9\ud788 [...]\uc785\ub2c8\ub2e4.<\/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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