{"id":1753,"date":"2025-12-01T07:55:14","date_gmt":"2025-12-01T06:55:14","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=1753"},"modified":"2026-01-30T03:07:49","modified_gmt":"2026-01-30T02:07:49","slug":"what-is-the-difference-between-625-and-725-alloy","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ko\/what-is-the-difference-between-625-and-725-alloy\/","title":{"rendered":"625 \ud569\uae08\uacfc 725 \ud569\uae08\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"<p data-path-to-node=\"17\">\ub0b4\uc2dd\uc131\uacfc \uad00\ub828\ud558\uc5ec \uac70\uc758 \ub3d9\uc77c\ud55c \uc720\uc804 \uc554\ud638\ub97c \uacf5\uc720\ud558\uc9c0\ub9cc, \uae30\uacc4\uc801 \uc2a4\ud2b8\ub808\uc2a4\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\uc2dd\uc5d0\uc11c \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"17\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1754 aligncenter\" src=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13.jpg\" alt=\"\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13-300x169.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13-1024x576.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13-768x432.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/13-18x10.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2>\ud654\ud559 \uc131\ubd84<\/h2>\n<p data-path-to-node=\"19\">\ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\ub824\uba74 \uba3c\uc800 \ud654\ud559 \uc6d0\ub9ac\ub97c \uc0b4\ud3b4\ubd10\uc57c \ud569\ub2c8\ub2e4. \ud569\uae08 625\ub294 \ub2c8\uc624\ube00\uc774 \ud3ec\ud568\ub41c \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uc785\ub2c8\ub2e4. \uc774 \uc870\ud569\uc740 \uad6c\uba4d\uacfc \ud2c8\uc0c8 \ubd80\uc2dd\uc5d0 \ub300\ud55c \ud0c1\uc6d4\ud55c \uc800\ud56d\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"20\"><b>\ud569\uae08 725(UNS N07725)<\/b> \ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ud569\uae08 625\uc5d0 \ud2b9\uc815 \ubcc0\ud615\uc744 \uac00\ud55c \uac83\uc785\ub2c8\ub2e4. \uc57c\uae08\ud559\uc790\ub4e4\uc740 \ub0b4\uc2dd\uc131\uc774 \uc785\uc99d\ub41c 625\uc5d0 \uc18c\ub7c9\uc758 \uc815\ubc00\ud55c \uc591\uc758 <b>\ud2f0\ud0c0\ub284(Ti) \ubc0f \uc54c\ub8e8\ubbf8\ub284(Al)<\/b>.<\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\"><b>\ud569\uae08 625:<\/b> \uc8fc\ub85c \ub2c8\ucf08-\ud06c\ub86c \ub9e4\ud2b8\ub9ad\uc2a4\uc5d0\uc11c \ubab0\ub9ac\ube0c\ub374\uacfc \ub2c8\uc624\ube00\uc758 \uac15\ud654 \ud6a8\uacfc(\uace0\uccb4 \uc6a9\uc561 \uac15\ud654)\ub85c \uac15\ud654\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\"><b>\ud569\uae08 725:<\/b> \uc5f4\ucc98\ub9ac \uc911 \ubbf8\uc138\ud55c \uac10\ub9c8-\uc18c\uc218\uc0c1 \ubc0f \uac10\ub9c8-\uc774\uc911\uc18c\uc218\uc0c1\uc758 \uce68\uc804(\uce68\uc804 \uacbd\ud654)\uc73c\ub85c \uac15\ud654\ub429\ub2c8\ub2e4(\uce68\uc804 \uacbd\ud654).<\/p>\n<\/li>\n<\/ul>\n<h2>\ud575\uc2ec\uc801\uc778 \ucc28\uc774\uc810: \uc218\uc728 \uac15\ub3c4<\/h2>\n<p data-path-to-node=\"23\">\ub0b4\uc2dd\uc131\uc774 \ubc29\ud328\ub77c\uba74 \ud56d\ubcf5 \uac15\ub3c4\ub294 \uadfc\uc721\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\uc11c <b>625 \ud569\uae08\uacfc 725 \ud569\uae08\uc758 \ucc28\uc774\uc810<\/b> \ub294 \ubd80\uc778\ud560 \uc218 \uc5c6\ub294 \uc0ac\uc2e4\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"24\">Alloy 625 is tough, but in its annealed state, its yield strength is typically around 60-70 ksi (414-483 MPa). To make it stronger, it must be &#8220;cold worked&#8221; (physically compressed or drawn), which limits the shapes and sizes you can produce.<\/p>\n<p data-path-to-node=\"25\">\ud569\uae08 725\ub294 \ud310\ub3c4\ub97c \ubc14\uafc9\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uacfc \uc54c\ub8e8\ubbf8\ub284\uc774 \ucca8\uac00\ub418\uc5b4 \uc788\uc5b4 \uc5f4\ucc98\ub9ac(\uc219\uc131)\ub97c \ud1b5\ud574 \ub0c9\uac04 \uac00\uacf5 \uc5c6\uc774\ub3c4 \ucd08\uace0\uac15\ub3c4\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <b>\ud569\uae08 725\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc5b4\ub2d0\ub9c1\ub41c \ud569\uae08 625\uc758 \uc57d 2\ubc30\uc5d0 \ub2ec\ud558\ub294 120ksi(827MPa)\ub97c \ucd08\uacfc\ud558\ub294 \ud56d\ubcf5 \uac15\ub3c4\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/b><\/p>\n<p data-path-to-node=\"26\">\ub530\ub77c\uc11c Alloy 725\ub294 \uace0\uac15\ub3c4\uac00 \ud544\uc694\ud558\uc9c0\ub9cc \ub108\ubb34 \ub450\uaebc\uc6cc \ud6a8\uacfc\uc801\uc73c\ub85c \ub0c9\uac04 \uac00\uacf5\ud560 \uc218 \uc5c6\ub294 \ud06c\uace0 \ubcf5\uc7a1\ud55c \uc139\uc158\uc5d0 \ud0c1\uc6d4\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub0b4\uc2dd\uc131<\/h2>\n<p data-path-to-node=\"28\">Engineers often fear that increasing strength means sacrificing corrosion resistance. Fortunately, with these two alloys, that isn&#8217;t the case.<\/p>\n<p data-path-to-node=\"29\">\uae30\ubcf8 \ud654\ud559(\ub192\uc740 \ub2c8\ucf08\uacfc \ubab0\ub9ac\ube0c\ub374)\uc774 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4, <b>\ud569\uae08 725\ub294 \ud569\uae08 625\uc640 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub3d9\uc77c\ud55c \ub0b4\uc2dd\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/b> \ub450 \ud569\uae08 \ubaa8\ub450 \ub6f0\uc5b4\ub09c \ub0b4\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul data-path-to-node=\"30\">\n<li>\n<p data-path-to-node=\"30,0,0\">\ubc14\ub2f7\ubb3c \ubc0f \ud574\uc591 \ud658\uacbd.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,1,0\">\uad6c\uba4d \ubc0f \ud2c8\uc0c8 \ubd80\uc2dd.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,2,0\">\ud669\ud654\ubb3c \uc751\ub825 \uade0\uc5f4(SSC).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"31\">\ud569\uae08 725\ub294 \ud569\uae08 718\uc758 \uac15\ub3c4\uc5d0 625\uc758 \ub0b4\uc2dd\uc131\uc744 \ub354\ud55c \ub3c5\ud2b9\ud55c \uc870\ud569\uc73c\ub85c \ub3c5\ud2b9\ud55c \uce74\ud14c\uace0\ub9ac\uc5d0 \uc18d\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2dc\ub098\ub9ac\uc624: \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud560\uae4c\uc694?<\/h2>\n<p data-path-to-node=\"33\">\uc774 \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uae30\uacc4\uc801 \ubd80\ud558\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"34\"><b>\ud569\uae08 625\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0 \uc120\ud0dd\ud569\ub2c8\ub2e4:<\/b><\/p>\n<ul data-path-to-node=\"35\">\n<li>\n<p data-path-to-node=\"35,0,0\">\ub6f0\uc5b4\ub09c \uac00\uacf5\uc131\uacfc \uc6a9\uc811\uc131\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"35,1,0\">\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \ubc30\uae30 \ub355\ud2b8\uc640 \uac19\uc740 \ud074\ub798\ub529(\uc624\ubc84\ub808\uc774) \ub610\ub294 \ud310\uae08 \ubd80\ud488\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"35,2,0\">\uadf9\ud55c\uc758 \ud56d\ubcf5 \uac15\ub3c4\ub294 \uc8fc\uc694 \uc694\uad6c \uc0ac\ud56d\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"36\"><b>\ud569\uae08 725\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0 \uc120\ud0dd\ud569\ub2c8\ub2e4:<\/b><\/p>\n<ul data-path-to-node=\"37\">\n<li>\n<p data-path-to-node=\"37,0,0\">\uc0ac\uc6cc \uac00\uc2a4 \uc11c\ube44\uc2a4\uc6a9 \ud328\uc2a4\ub108, \ud589\uac70 \ub610\ub294 \ub79c\ub529 \ub2c8\ud50c(NACE MR0175)\uc744 \uc124\uacc4\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,1,0\">\ud574\uc591 \ud658\uacbd\uc758 \uc5c4\uccad\ub09c \uc778\uc7a5 \uc751\ub825\uc744 \uacac\ub51c \uc218 \uc788\ub294 \uc18c\uc7ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"37,2,0\">\uad6c\uc131 \uc694\uc18c\ub294 \ub0c9\uac04 \uac00\uacf5\uc774 \ubd88\uac00\ub2a5\ud55c \ub300\ud615 \uc139\uc158 \ubc14 \ub610\ub294 \ub2e8\uc870\ud488\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"39\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1416 aligncenter\" src=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/11\/suoluetu.jpg\" alt=\"\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/11\/suoluetu.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/11\/suoluetu-300x169.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/11\/suoluetu-1024x576.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/11\/suoluetu-768x432.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h3>\n<p data-path-to-node=\"42\"><b>Q1: \ud569\uae08 725\ub294 \ud569\uae08 625\ub9cc\ud07c \uc27d\uac8c \uc6a9\uc811\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/b><\/p>\n<p data-path-to-node=\"42\">\ub450 \ud569\uae08 \ubaa8\ub450 \uc6a9\uc811\uc774 \uac00\ub2a5\ud558\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ud569\uae08 625\ub294 \uc6a9\uc811\uc131\uc774 \uc6b0\uc218\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub418\uc5b4 \ud544\ub7ec \uae08\uc18d \uc790\uccb4\ub85c \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud569\uae08 725\ub294 \uc6a9\uc811\uc774 \uac00\ub2a5\ud558\uc9c0\ub9cc \uc2dc\ud6a8 \uacbd\ud654 \ud569\uae08\uc774\uae30 \ub54c\ubb38\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4 \uc601\ud5a5\uc744 \ubc1b\ub294 \uc601\uc5ed\uc5d0\uc11c \uace0\uac15\ub3c4 \ud2b9\uc131\uc744 \ud68c\ubcf5\ud558\uae30 \uc704\ud574 \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"43\"><b>Q2: Alloy 725\ub294 \uc790\uc131\uc774 \uc788\ub098\uc694?<\/b><\/p>\n<p data-path-to-node=\"43\">\ud569\uae08 625\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ud569\uae08 725\ub294 \ub2c8\ucf08 \uae30\ubc18 \ucd08\ud569\uae08\uc774\uba70 \ubaa8\ub4e0 \uc870\uac74\uc5d0\uc11c \ube44\uc790\uc131\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub450 \ud569\uae08 \ubaa8\ub450 \ubbfc\uac10\ud55c \uc804\uc790 \ud558\uc6b0\uc9d5\uc774\ub098 \uc7a0\uc218\ud568 \ubd80\ud488\uacfc \uac19\uc774 \uc790\uae30 \ud22c\uacfc\uc131\uc744 \ucd5c\uc18c\ud654\ud574\uc57c \ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<p data-path-to-node=\"44\"><b>Q3: Alloy 725\uac00 625\ubcf4\ub2e4 \ube44\uc2fc \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/b><\/p>\n<p data-path-to-node=\"44\">\ube44\uc6a9 \ucc28\uc774\ub294 \uacf5\uc815\uc758 \ubcf5\uc7a1\uc131\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc6d0\uc790\uc7ac \ube44\uc6a9\uc740 \ube44\uc2b7\ud558\uc9c0\ub9cc \ud569\uae08 725\ub294 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc5bb\uae30 \uc704\ud574 \uc815\ubc00\ud55c \uc9c4\uacf5 \uc6a9\uc735\uacfc \uc7a5\uc2dc\uac04\uc758 \uc5f4\ucc98\ub9ac \uc0ac\uc774\ud074(\uc6a9\uc561 \uc5b4\ub2d0\ub9c1\uacfc 2\ub2e8\uacc4 \uc5d0\uc774\uc9d5)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c \ud569\uae08 625\ub294 \ud6e8\uc52c \ub354 \ub9ce\uc740 \uc591\uc73c\ub85c \uc0dd\uc0b0\ub418\uc5b4 \uaddc\ubaa8\uc758 \uacbd\uc81c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>While they share a nearly identical genetic code regarding corrosion resistance, the distinction lies entirely in how they handle mechanical stress. Chemical Composition To understand the difference, we must first look at the chemistry. Alloy 625 is a nickel-chromium-molybdenum alloy containing niobium. This combination delivers outstanding resistance to pitting and crevice corrosion. Alloy 725 (UNS [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1753","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/posts\/1753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/comments?post=1753"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/posts\/1753\/revisions"}],"predecessor-version":[{"id":2555,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/posts\/1753\/revisions\/2555"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/media\/1754"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/media?parent=1753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/categories?post=1753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ko\/wp-json\/wp\/v2\/tags?post=1753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}