{"id":3943,"date":"2024-06-27T14:31:11","date_gmt":"2024-06-27T14:31:11","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3943"},"modified":"2024-07-01T01:14:13","modified_gmt":"2024-07-01T01:14:13","slug":"303-vs-440-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/ko\/bolg\/303-vs-440-stainless-steel\/","title":{"rendered":"303 \ub300 440 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15: \ub2e8\uc810, \uc7a5\uc810, \ud2b9\uc131, \uc6a9\ub3c4"},"content":{"rendered":"<h4>\ubaa9\ucc28<\/h4>\n<ul>\n<li><a href=\"#disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \ub2e8\uc810\uacfc \uc7a5\uc810<\/a><\/li>\n<li><a href=\"#what-is-303-and-440-stainless-steel-equivalent-to\">303 \ubc0f 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><\/li>\n<li><a href=\"#uses-of-440-vs-303-stainless-steel\">440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc0ac\uc6a9<\/a><\/li>\n<li><a href=\"#corrosion-resistance-of-303-stainless-steel\">303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ub0b4\uc2dd\uc131<\/a><\/li>\n<li><a href=\"#composition-analysis-of-303-vs-440-stainless-steel\">303 \ub300 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \uad6c\uc131 \ubd84\uc11d<\/a><\/li>\n<li><a href=\"#physical-properties-of-303-stainless-steel\">303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131<\/a><\/li>\n<li><a href=\"#mechanical-properties-of-440-stainless-steel\">440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \uae30\uacc4\uc801 \uc131\uc9c8<\/a><\/li>\n<li><a href=\"#is-304-stainless-steel-better-than-440-stainless-steel\">304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc774 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\ubcf4\ub2e4 \ub0ab\uc2b5\ub2c8\uae4c?<\/a><\/li>\n<li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li>\n<\/ul>\n<p>&quot;303 \ub300 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15: \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud55c \ub0b4\uad6c\uc131, \uae30\uacc4 \uac00\uacf5\uc131 \ubc0f \ub2e4\uc591\uc131 \ud0d0\uad6c&quot;<\/p>\n<p>\uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc740 \ub0b4\uc2dd\uc131\uacfc \uac15\ub3c4\ub85c \uc778\ud574 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ud0c1\uc6d4\ud55c \ub2e4\ubaa9\uc801 \uc18c\uc7ac\uc785\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ub450 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \ub4f1\uae09\uc740 303\uacfc 440\uc774\uba70, \uac01\uac01\uc740 \ud2b9\uc815 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud558\uac8c \ub9cc\ub4dc\ub294 \uace0\uc720\ud55c \ud2b9\uc131, \uc7a5\uc810 \ubc0f \ub2e8\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud55c \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\ub824\uba74 \uc774 \ub450 \uac00\uc9c0 \uc720\ud615\uc758 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uac04\uc758 \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uc18c\uac1c\uc5d0\uc11c\ub294 303 \ubc0f 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uac15\uc758 \ud2b9\uc131, \uc7a5\uc810, \ub2e8\uc810 \ubc0f \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub97c \uc0b4\ud3b4\ubcf4\uace0 \uc2e4\uc81c \ubc0f \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud55c \ud544\uc218\uc801\uc778 \ud1b5\ucc30\ub825\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \ub2e8\uc810\uacfc \uc7a5\uc810<\/h2>\n<p>\uc8fc\ub85c \ucca0, \ud06c\ub86c, \ub2c8\ucf08\ub85c \uad6c\uc131\ub41c \ud569\uae08\uc778 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uacfc \uac15\ub3c4\uac00 \ub6f0\uc5b4\ub09c \uac83\uc73c\ub85c \uc720\uba85\ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ub450 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \ub4f1\uae09\uc740 303\uacfc 440\uc774\uba70, \uac01\uac01\uc740 \uc0b0\uc5c5 \uc804\ubc18\uc5d0 \uac78\uccd0 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud55c \uace0\uc720\ud55c \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \ub450 \uac00\uc9c0\ub97c \ube44\uad50\ud560 \ub54c \ud2b9\uc815 \ubaa9\uc801\uc5d0 \ub300\ud55c \uc801\ud569\uc131\uc744 \uc774\ud574\ud558\ub824\uba74 \uc7a5\uc810\uacfc \ub2e8\uc810\uc744 \ubaa8\ub450 \uace0\ub824\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc7a5\uc810<\/h3>\n<ul>\n<li>\ud669\uc744 \ucca8\uac00\ud558\uc5ec \uac00\uacf5\uc131\uc774 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud45c\uba74\uc870\ub3c4\uac00 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ubcf5\uc7a1\ud55c \uac00\uacf5 \uc791\uc5c5, \ud2b9\ud788 \ud53c\ud305 \ubc0f \ud328\uc2a4\ub108 \uc81c\uc870\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ub2e8\uc810<\/h3>\n<ul>\n<li>\ub2e4\ub978 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ub4f1\uae09\uc5d0 \ube44\ud574 \ub0b4\uc2dd\uc131\uc774 \uac10\uc18c\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ud574\uc591 \ub610\ub294 \uc5fc\ud654\ubb3c\uc774 \ub9ce\uc740 \ud658\uacbd\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc7a5\uc810<\/h3>\n<ul>\n<li>\ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uc544 \uacbd\ub3c4\uac00 \ub192\uace0 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc5f4\ucc98\ub9ac\ub97c \ud558\uc5ec \uacbd\ub3c4\uc640 \uac15\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac \uc720\uc9c0\uac00 \ud544\uc694\ud55c \uc808\ub2e8 \ub3c4\uad6c, \uce7c \ubc0f \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ub2e8\uc810<\/h3>\n<ul>\n<li>\uacbd\ub3c4\ub85c \uc778\ud574 \uac00\uacf5\uc774 \uc5b4\ub835\ub2e4.<\/li>\n<li>\ud234\ub9c1 \ub9c8\ubaa8\uac00 \uc99d\uac00\ud558\uace0 \uc81c\uc870 \ube44\uc6a9\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\uace0\uae09 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ub610\ub294 \uc774\uc911 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \ube44\ud574 \ubd80\uc2dd\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"what-is-303-and-440-stainless-steel-equivalent-to\">303 \ubc0f 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<p>303 \ubc0f 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uace0\uc720\ud55c \ud2b9\uc131\uacfc \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \ud65c\uc6a9\ub429\ub2c8\ub2e4. \ub2e4\ub978 \ud45c\uc900\uc758 \ub4f1\uac00\ubb3c\uc744 \uc774\ud574\ud558\uba74 \uae00\ub85c\ubc8c \uc801\uc6a9 \ubc0f \ub2e4\ub978 \uc7ac\ub8cc\uc640\uc758 \ud638\ud658\uc131\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ub3d9\ub4f1\ud55c \ub4f1\uae09<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\uae30\uc900<\/th>\n<th>303 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/th>\n<th>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>KO<\/td>\n<td>1.4305<\/td>\n<td>1.4125<\/td>\n<\/tr>\n<tr>\n<td>UNS<\/td>\n<td>S30300<\/td>\n<td>S44004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uc18d\uc131 \ubc0f \uc6a9\ub3c4<\/h3>\n<ul>\n<li>303 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15 : \uac00\uacf5\uc131\uc774 \ub6f0\uc5b4\ub098 \ub098\uc0ac, \ub108\ud2b8, \ubcfc\ud2b8, \ubd80\uc18d\ud488 \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15: \uacbd\ub3c4\uac00 \ub192\uace0 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub6f0\uc5b4\ub098 \uce7c\ubd99\uc774\ub958, \ubca0\uc5b4\ub9c1, \uc218\uc220 \uae30\uad6c \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"uses-of-440-vs-303-stainless-steel\">440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc0ac\uc6a9<\/h2>\n<p>\ucca0, \ud0c4\uc18c, \ud06c\ub86c\uc744 \uc8fc\uc131\ubd84\uc73c\ub85c \ud558\ub294 \ud569\uae08\uc778 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uacfc \uac15\ub3c4\uac00 \ub6f0\uc5b4\ub09c \uac83\uc73c\ub85c \uc720\uba85\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc720\ud615\uc758 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc740 \ubbf8\uc138 \uad6c\uc870\uc640 \uc0ac\uc6a9\ub41c \uad6c\uc131 \uc694\uc18c\uc758 \ud2b9\uc815 \ube44\uc728\uc5d0 \ub530\ub77c \ubd84\ub958\ub429\ub2c8\ub2e4. \uc774\ub4e4 \uc911\uc5d0\uc11c 303 \ubc0f 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud488\uc885\uc774 \ub110\ub9ac \uc54c\ub824\uc838 \uc788\uc73c\uba70, \uac01\uac01 \uace0\uc720\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc0ac\uc6a9<\/h3>\n<ul>\n<li>\ud53c\ud305<\/li>\n<li>\ub098\uc0ac<\/li>\n<li>\uacac\uacfc\ub958<\/li>\n<li>\ubcfc\ud2b8<\/li>\n<\/ul>\n<h3>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \uc0ac\uc6a9<\/h3>\n<ul>\n<li>\ucee4\ud2b8\ub7ec\ub9ac<\/li>\n<li>\ubca0\uc5b4\ub9c1<\/li>\n<li>\uc218\uc220 \ub3c4\uad6c<\/li>\n<li>\ub9c8\ubaa8\uac00 \uc2ec\ud55c \ubd80\ud488<\/li>\n<\/ul>\n<h2 id=\"corrosion-resistance-of-303-stainless-steel\">303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ub0b4\uc2dd\uc131<\/h2>\n<p>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \ud06c\ub86c-\ub2c8\ucf08 \ud569\uae08\uc778 303 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131\uacfc \ub0b4\uc2dd\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ud5a5\uc0c1\ub41c \uac00\uacf5\uc131\uc744 \ub098\ud0c0\ub0b4\ub3c4\ub85d \ud2b9\ubcc4\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \ucd94\uac00\ub85c \uc778\ud574 \ud2b9\ud788 440 \uc2dc\ub9ac\uc988 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ube44\uad50\ud560 \ub54c \ub0b4\uc2dd\uc131\uc774 \uc57d\uac04 \uc190\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<h3>\ub0b4\uc2dd\uc131 \ud2b9\uc131<\/h3>\n<ul>\n<li>\uc801\ub2f9\ud55c \ub300\uae30 \uc870\uac74\uacfc \uc57d\uc0b0\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ud669 \ud568\ub7c9\uc73c\ub85c \uc778\ud574 \uc5fc\ud654\ubb3c\uc774\ub098 \uae30\ud0c0 \ud560\ub85c\uac90\ud654\ubb3c\uc774 \ud3ec\ud568\ub41c \ud658\uacbd\uc5d0\uc11c\ub294 \ud6a8\uc728\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ube44\uad50 \ub0b4\uc2dd\uc131<\/h3>\n<p>303 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub6f0\uc5b4\ub09c \uae30\uacc4 \uac00\uacf5\uc131\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \ubd80\uc2dd\uc131\uc774 \ub192\uc740 \ud658\uacbd\uc5d0\uc11c\uc758 \uc131\ub2a5\uc740 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \ube44\ud574 \ubd80\uc801\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud6c4\uc790\uc758 \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131\uacfc \uacbd\ub3c4\ub85c \uc778\ud574 \ud2b9\ud788 \uc5fc\ud654\ubb3c\uc5d0 \ub178\ucd9c\ub418\uac70\ub098 \uadf9\ud55c \uc870\uac74\uc774 \uc608\uc0c1\ub418\ub294 \ub354\uc6b1 \uae4c\ub2e4\ub85c\uc6b4 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"composition-analysis-of-303-vs-440-stainless-steel\">303 \ub300 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \uad6c\uc131 \ubd84\uc11d<\/h2>\n<p>\uc8fc\ub85c \ucca0, \ud06c\ub86c, \ud0c4\uc18c\ub85c \uad6c\uc131\ub41c \ud569\uae08\uc778 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uacfc \uac15\ub3c4\ub85c \uc720\uba85\ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ub450 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \ub4f1\uae09\uc740 303\uacfc 440\uc774\uba70, \uac01\uac01\uc740 \ud2b9\uc815 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uace0\uc720\ud55c \ud2b9\uc131\uacfc \uc801\ud569\uc131\uc744 \ubd80\uc5ec\ud558\ub294 \uace0\uc720\ud55c \ud654\ud559\uc801 \uad6c\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud654\ud559 \uc131\ubd84<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\uc694\uc18c<\/th>\n<th>303 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/th>\n<th>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>\ud0c4\uc18c<\/td>\n<td>\ucd5c\ub300 0.15%<\/td>\n<td>0.60-1.20%<\/td>\n<\/tr>\n<tr>\n<td>\ud06c\ub86c<\/td>\n<td>17-19%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>\ub2c8\ucf08<\/td>\n<td>8-10%<\/td>\n<td>\uc5c6\uc74c<\/td>\n<\/tr>\n<tr>\n<td>\ud669<\/td>\n<td>0.15-0.35%<\/td>\n<td>\uc5c6\uc74c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uad6c\uc131\uc5d0\uc11c \ud30c\uc0dd\ub41c \uc18d\uc131<\/h3>\n<ul>\n<li>303 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15: \ud5a5\uc0c1\ub41c \uac00\uacf5\uc131, \uc911\uac04 \uc815\ub3c4\uc758 \ub0b4\uc2dd\uc131.<\/li>\n<li>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8: \ub192\uc740 \uacbd\ub3c4, \uc6b0\uc218\ud55c \ub0b4\ub9c8\ubaa8\uc131, \uc911\uac04 \uc815\ub3c4\uc758 \ub0b4\uc2dd\uc131.<\/li>\n<\/ul>\n<h2 id=\"physical-properties-of-303-stainless-steel\">303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131<\/h2>\n<p>\ub354 \ub113\uc740 18-8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uacc4\uc5f4\uc758 \ubcc0\ud615\uc778 303 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc8fc\ub85c \ud669\uc744 \ucca8\uac00\ud568\uc73c\ub85c\uc368 \ucd09\uc9c4\ub418\ub294 \uae30\uacc4 \uac00\uacf5\uc131\uc73c\ub85c \uad6c\ubcc4\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc218\uc815\uc740 \uc751\uc6a9 \ubd84\uc57c\uc758 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uc720\ub9ac\ud558\uba74\uc11c\ub3c4 \uc81c\ud55c\uc801\uc778 \ubc29\uc2dd\uc73c\ub85c \ud569\uae08\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc694 \ubb3c\ub9ac\uc801 \ud2b9\uc131<\/h3>\n<ul>\n<li>\ubc00\ub3c4: 8.03g\/cm3<\/li>\n<li>\ub179\ub294\uc810: 1450- 1510\u00b0C<\/li>\n<li>\uc5f4\uc804\ub3c4\uc728: 100\u00b0C\uc5d0\uc11c 16.2W\/mK<\/li>\n<li>\uc5f4\ud33d\ucc3d \uacc4\uc218: 100\u00b0C\uc5d0\uc11c 17.3 \u00b5m\/m\u00b0C<\/li>\n<li>\ube44\uc790\uc131<\/li>\n<li>\ube44\uc5f4 \uc6a9\ub7c9: 25\u00b0C\uc5d0\uc11c 500 J\/kg-K<\/li>\n<\/ul>\n<h2 id=\"mechanical-properties-of-440-stainless-steel\">440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \uae30\uacc4\uc801 \uc131\uc9c8<\/h2>\n<p>440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uac15\ub3c4, \uacbd\ub3c4 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc73c\ub85c \uc720\uba85\ud55c \uace0\ud0c4\uc18c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ud569\uae08\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc740 440A, 440B, 440C\uc758 \uc138 \uac00\uc9c0 \ud558\uc704 \ub4f1\uae09\uc73c\ub85c \ubd84\ub958\ub418\uba70 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uae30 \ub54c\ubb38\uc5d0 440C\uac00 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>\uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\uc18d\uc131<\/th>\n<th>\uac00\uce58<\/th>\n<\/tr>\n<tr>\n<td>\uacbd\ub3c4(HRC)<\/td>\n<td>58-60<\/td>\n<\/tr>\n<tr>\n<td>\uc218\uc728 \uac15\ub3c4<\/td>\n<td>450MPa<\/td>\n<\/tr>\n<tr>\n<td>\uc778\uc7a5 \uac15\ub3c4<\/td>\n<td>760MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n<ul>\n<li>\uace0\uac15\ub3c4 \uc808\uc0ad \uacf5\uad6c<\/li>\n<li>\uce7c<\/li>\n<li>\ubca0\uc5b4\ub9c1<\/li>\n<li>\ubc38\ube0c \ubd80\ud488<\/li>\n<\/ul>\n<h2 id=\"is-304-stainless-steel-better-than-440-stainless-steel\">304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc774 440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\ubcf4\ub2e4 \ub0ab\uc2b5\ub2c8\uae4c?<\/h2>\n<p>304\uc640 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \ube44\uad50\ud560 \ub54c \ud654\ud559\uc801 \uc870\uc131, \uae30\uacc4\uc801 \ud2b9\uc131, \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc5d0 \ub300\ud55c \uc801\ud569\uc131\uc744 \uace0\ub824\ud558\uc5ec \uc5b4\ub290 \uac83\uc774 \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ub354 \uc6b0\uc218\ud55c\uc9c0 \uacb0\uc815\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \uc720\ud615\uc758 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \ubaa8\ub450 \uace0\uc720\ud55c \uc7a5\uc810\uacfc \ub2e8\uc810\uc774 \uc788\uc5b4 \ud2b9\uc815 \ud658\uacbd\uacfc \uc791\uc5c5\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ube44\uad50 \ubd84\uc11d<\/h3>\n<ul>\n<li>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 : \ub0b4\uc2dd\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \uac00\uacf5\uc131\uc774 \ub6f0\uc5b4\ub098 \uc2dd\ud488 \uac00\uacf5 \ubc0f \ud574\uc591 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8: \ub192\uc740 \uacbd\ub3c4, \uac15\ub3c4 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac00\uc9c0\uba70 \uc808\uc0ad \uacf5\uad6c \ubc0f \uace0\uc751\ub825 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>304 \ub610\ub294 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc0ac\uc6a9 \uc5ec\ubd80\ub294 \uc8fc\ub85c \uc751\uc6a9 \ubd84\uc57c\uc758 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4. \ub0b4\uc2dd\uc131\uc774 \uac00\uc7a5 \uc911\uc694\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ub354 \ub098\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4. \ubc18\ub300\ub85c, \uace0\uac15\ub3c4 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc694\uad6c\ud558\ub294 \uc751\uc6a9 \ubd84\uc57c\uc758 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"conclusion\">\uacb0\ub860<\/h2>\n<p><strong>\uacb0\ub860: 303 \ub300 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/strong><\/p>\n<h3>\uc18d\uc131<\/h3>\n<ul>\n<li><strong>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ud669 \ucca8\uac00\ub85c \uc778\ud574 \uac00\uacf5\uc131\uc774 \uc6b0\uc218\ud558\uace0 \ub0b4\uc0b0\ud654\uc131\uc774 \uc6b0\uc218\ud558\uba70 \ud45c\uba74 \ub9c8\uac10\uc774 \ub9e4\ub044\ub7ec\uc6b4 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ud06c\ub86c-\ub2c8\ucf08 \ud569\uae08\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uace0\uac15\ub3c4, \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc6b0\uc218\ud55c \uace0\ud0c4\uc18c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc73c\ub85c 440A, 440B, 440C\ub85c \uad6c\ubd84\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc7a5\uc810<\/h3>\n<ul>\n<li><strong>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uac00\uacf5\uc131\uc774 \uc6b0\uc218\ud558\uace0 \ud45c\uba74\uc870\ub3c4\uac00 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \uc751\ub825\uc774 \uc2ec\ud55c \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ub2e8\uc810<\/h3>\n<ul>\n<li><strong>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ub0b4\uc2dd\uc131\uacfc \uc778\uc131\uc774 \uac10\uc18c\ud558\uc5ec \uc5f4\uc545\ud55c \ud658\uacbd\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uae30\uacc4\uac00\uacf5\uc774 \uc5b4\ub835\uace0 \uc800\ud0c4\uc18c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \ube44\ud574 \ubd80\uc2dd\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc6a9\ub3c4<\/h3>\n<ul>\n<li><strong>303 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ud53c\ud305, \ub098\uc0ac, \ub108\ud2b8, \ubcfc\ud2b8.<\/li>\n<li><strong>440 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uce7c \ubd99\uc774, \ubca0\uc5b4\ub9c1, \uc218\uc220 \ub3c4\uad6c.<\/li>\n<\/ul>\n<p>\uc694\uc57d\ud558\uba74, 303\uacfc 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc0ac\uc774\uc758 \uc120\ud0dd\uc740 \uc6d0\ud558\ub294 \uae30\uacc4\uc801 \ud2b9\uc131, \ub0b4\uc2dd\uc131, \uae30\uacc4 \uac00\uacf5\uc131 \ubc0f \uc7ac\ub8cc\uac00 \uc0ac\uc6a9\ub418\ub294 \ud658\uacbd\uc744 \ud3ec\ud568\ud558\uc5ec \uc751\uc6a9 \ubd84\uc57c\uc758 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ub2e8\uc810 \ubc0f \uc7a5\uc810 303 \ubc0f 440 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? 440 \ub300 303 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \uc0ac\uc6a9 303 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ub0b4\uc2dd\uc131 303 \ub300 440 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \uc870\uc131 \ubd84\uc11d 303 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ubb3c\ub9ac\uc801 \uc131\uc9c8 440 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \uae30\uacc4\uc801 \uc131\uc9c8\uc740 [\u2026<\/p>","protected":false},"author":1,"featured_media":4019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-3943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-material-selection-guide"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts\/3943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/comments?post=3943"}],"version-history":[{"count":3,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3947,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/media\/4019"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}