{"id":4004,"date":"2024-06-29T15:08:45","date_gmt":"2024-06-29T15:08:45","guid":{"rendered":"https:\/\/machining-quote.com\/?p=4004"},"modified":"2024-07-09T09:33:06","modified_gmt":"2024-07-09T09:33:06","slug":"304-vs-420-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/ko\/bolg\/304-vs-420-stainless-steel\/","title":{"rendered":"304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c"},"content":{"rendered":"<h4>\ubaa9\ucc28<\/h4>\n<ul>\n<li><a href=\"#equivalents\">304 \ubc0f 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uacfc \ub3d9\ub4f1\ud55c \uac83\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><\/li>\n<li><a href=\"#comparison\">SS420\uacfc SS304: \uc5b4\ub290 \uac83\uc774 \ub354 \uc88b\ub098\uc694?<\/a><\/li>\n<li><a href=\"#pros-cons\">304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \uc0ac\uc6a9\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810<\/a><\/li>\n<li><a href=\"#corrosion-resistance\">420 \ub300 304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \ub0b4\uc2dd\uc131<\/a><\/li>\n<li><a href=\"#knife\">304 \ub300 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \uce7c<\/a><\/li>\n<li><a href=\"#chemical-composition\">AISI 420 \ub300 304 \ud654\ud559 \uc131\ubd84<\/a><\/li>\n<li><a href=\"#heat-resistance\">\ub0b4\uc5f4\uc131: 420 \ubc0f 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd84\uc11d<\/a><\/li>\n<li><a href=\"#machinability\">304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ube44\uad50\ud55c 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uac00\uacf5\uc131<\/a><\/li>\n<li><a href=\"#heat-treatment\">420 \ubc0f 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc5f4\ucc98\ub9ac \uacf5\uc815<\/a><\/li>\n<li><a href=\"#summary\">304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud55c \uc694\uc57d \ucc28\ud2b8<\/a><\/li>\n<li><a href=\"#conclusion\">\uacb0\ub860<\/a><\/li>\n<\/ul>\n<p>\u201c\uc8fc\ubc29\uc5d0\uc11c \uc2dd\uae30\ub958\uae4c\uc9c0: 304\uc758 \ub2e4\uc591\uc131\uacfc 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uacbd\ub3c4 \ud0d0\uad6c\u201d<\/p>\n<p>304 \ubc0f 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uacfc \uac15\ub3c4\ub85c \uc778\ud574 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub4e4 \uc0ac\uc774\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \uc0b0\uc5c5\uc5d0\uc11c\uc758 \ud2b9\uc815 \uc6a9\ub3c4\ub97c \uacb0\uc815\ud558\ub294 \ud654\ud559\uc801 \uc870\uc131\uacfc \uae30\uacc4\uc801 \ud2b9\uc131\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4\uc758 \uc77c\ubd80\uc778 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc8fc\ub85c \ud06c\ub86c\uacfc \ub2c8\ucf08 \ud568\ub7c9\uc774 \ub192\uae30 \ub54c\ubb38\uc5d0 \ub0b4\uc2dd\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \ub2e4\uc6a9\ub3c4\uc785\ub2c8\ub2e4. \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ud569\uae08\uc778 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uc544 304\uc5d0 \ube44\ud574 \uacbd\ub3c4\uc640 \uac15\ub3c4\uac00 \ub354 \ub192\uc9c0\ub9cc \ub0b4\uc2dd\uc131\uc740 \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"equivalents\">304 \ubc0f 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uacfc \ub3d9\ub4f1\ud55c \uac83\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\uae30\uc900<\/th>\n<th>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<th>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>KO<\/td>\n<td>1.4301<\/td>\n<td>1.4021<\/td>\n<\/tr>\n<tr>\n<td>ISO<\/td>\n<td>4301<\/td>\n<td>4021<\/td>\n<\/tr>\n<tr>\n<td>\uc911\uad6d\uc778<\/td>\n<td>06Cr19Ni10<\/td>\n<td>2Cr13<\/td>\n<\/tr>\n<tr>\n<td>\uc77c\ubcf8\uc5b4<\/td>\n<td>SUS304<\/td>\n<td>SUS420J1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"comparison\">SS420\uacfc SS304: \uc5b4\ub290 \uac83\uc774 \ub354 \uc88b\ub098\uc694?<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ub0b4\uc2dd\uc131\uacfc \uc131\ud615\uc131\uc774 \uac00\uc7a5 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uacbd\ub3c4 \ubc0f \uac00\uc7a5\uc790\ub9ac \uc720\uc9c0\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"pros-cons\">304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \uc0ac\uc6a9\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\uce21\uba74<\/th>\n<th>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<th>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>\ub0b4\uc2dd\uc131<\/td>\n<td>\ub192\uc74c<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<\/tr>\n<tr>\n<td>\uacbd\ub3c4<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<td>\ub192\uc74c<\/td>\n<\/tr>\n<tr>\n<td>\uc131\ud615\uc131<\/td>\n<td>\uc6b0\uc218<\/td>\n<td>Poor<\/td>\n<\/tr>\n<tr>\n<td>\uc6a9\uc811\uc131<\/td>\n<td>\uc6b0\uc218<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"corrosion-resistance\">420 \ub300 304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \ub0b4\uc2dd\uc131<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ub179\uacfc \uc0b0\ud654\uc5d0 \ub9e4\uc6b0 \uac15\ud569\ub2c8\ub2e4. \uc2b5\ud558\uace0 \uc5fc\ubd84\uc774 \ub9ce\uc740 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ub179\uc5d0 \ub35c \uac15\ud569\ub2c8\ub2e4. \uac74\uc870\ud55c \ud658\uacbd\uc5d0\uc11c \ub354 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"knife\">304 \ub300 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \uce7c<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ub179\uc744 \ubc29\uc9c0\ud574\uc57c \ud558\ub294 \ubd80\uc5cc\uce7c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uc218\uc220 \uae30\uad6c\ub098 \uc218\uc800\ub958\ucc98\ub7fc \ub0a0\uce74\ub85c\uc6b4 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud574\uc57c \ud558\ub294 \uce7c\ub0a0\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"chemical-composition\">AISI 420 \ub300 304 \ud654\ud559 \uc131\ubd84<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\uc694\uc18c<\/th>\n<th>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<th>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>\ud06c\ub86c<\/td>\n<td>18-20%<\/td>\n<td>12-14%<\/td>\n<\/tr>\n<tr>\n<td>\ub2c8\ucf08<\/td>\n<td>8-10.5%<\/td>\n<td>\uc5c6\uc74c<\/td>\n<\/tr>\n<tr>\n<td>\ud0c4\uc18c<\/td>\n<td>\ucd5c\ub300 0.08%<\/td>\n<td>0.15-0.40%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"heat-resistance\">\ub0b4\uc5f4\uc131: 420 \ubc0f 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd84\uc11d<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uc5f0\uc18d \uc0ac\uc6a9 \uc2dc \ucd5c\ub300 870\u00b0C\uae4c\uc9c0 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc628 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \ucd5c\ub300 650\u00b0C\uae4c\uc9c0 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uacbd\ub3c4\uac00 \ud544\uc694\ud55c \uc6a9\ub3c4\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"machinability\">304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ube44\uad50\ud55c 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uac00\uacf5\uc131<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uae30\uacc4 \uac00\uacf5\uc774 \ub354 \uc27d\uc2b5\ub2c8\ub2e4. \uc5f4\uc2ec\ud788 \uc77c\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uacbd\ub3c4\uac00 \ub192\uc544 \uac00\uacf5\uc774 \ub354 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \ub354 \ub290\ub9b0 \uc18d\ub3c4\uc640 \ub354 \uac15\ub825\ud55c \ub3c4\uad6c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"heat-treatment\">420 \ubc0f 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc5f4\ucc98\ub9ac \uacf5\uc815<\/h2>\n<ul>\n<li><strong>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> \uc5f4\ucc98\ub9ac\ub85c \uacbd\ud654\uc2dc\ud0ac \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub0c9\uac04 \uac00\uacf5\uc73c\ub85c \uacbd\ud654\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8:<\/strong> 950~1050\u00b0C\ub85c \uac00\uc5f4\ud55c \ud6c4 \ub2f4\uae08\uc9c8\ud558\uc5ec \uacbd\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"summary\">304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud55c \uc694\uc57d \ucc28\ud2b8<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\uce21\uba74<\/th>\n<th>304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<th>420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8<\/th>\n<\/tr>\n<tr>\n<td>\ub0b4\uc2dd\uc131<\/td>\n<td>\ub192\uc74c<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<\/tr>\n<tr>\n<td>\uacbd\ub3c4<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<td>\ub192\uc74c<\/td>\n<\/tr>\n<tr>\n<td>\uc131\ud615\uc131<\/td>\n<td>\uc6b0\uc218<\/td>\n<td>Poor<\/td>\n<\/tr>\n<tr>\n<td>\uc6a9\uc811\uc131<\/td>\n<td>\uc6b0\uc218<\/td>\n<td>\ubcf4\ud1b5<\/td>\n<\/tr>\n<tr>\n<td>\ub0b4\uc5f4\uc131<\/td>\n<td>\ucd5c\ub300 870\u00b0C<\/td>\n<td>\ucd5c\ub300 650\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td>\n<td>\uc8fc\ubc29\uc6a9\ud488, \uc758\ub8cc\uae30\uae30<\/td>\n<td>\uce7c \ubd99\uc774, \uc218\uc220 \ub3c4\uad6c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"conclusion\">\uacb0\ub860<\/h2>\n<p>304\uc640 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uac15\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ud654\ud559\uc801 \uc870\uc131\uacfc \uae30\uacc4\uc801 \ud2b9\uc131\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. 304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ubd80\uc2dd\uacfc \uc0b0\ud654\uc5d0 \uac15\ud574 \ub2e4\uc591\ud55c \uc6a9\ub3c4\uc640 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ubc18\uba74, 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uc544 \uacbd\ub3c4\uc640 \uac15\ub3c4\uac00 \ub354 \ub192\uc9c0\ub9cc \ub0b4\uc2dd\uc131\uc740 \ub0ae\uc544 \uce7c\ubd99\uc774\ub958 \ubc0f \uae30\ud0c0 \uce7c\ub0a0 \uc6a9\ub3c4\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 304 \ubc0f 420 \uc2a4\ud14c\uc778\ub808\uc2a4\uac15\uc758 \ub4f1\uac00\ubb3c\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? SS420\uacfc SS304: \uc5b4\ub290 \uac83\uc774 \ub354 \uc88b\ub098\uc694? 304 \ub300 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \uc0ac\uc6a9\uc758 \uc7a5\uc810\uacfc \ub2e8\uc810 420 \ub300 304 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \ub0b4\uc2dd\uc131 304 \ub300 420 \uc2a4\ud14c\uc778\ub808\uc2a4 \uc2a4\ud2f8 \ub098\uc774\ud504 AISI 420 \ub300 304 \ud654\ud559 \uc131\ubd84 \ub0b4\uc5f4\uc131: 420 \ub300 304 \uc2a4\ud14c\uc778\ub808\uc2a4 \ubd84\uc11d [\u2026<\/p>","protected":false},"author":1,"featured_media":4073,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","content-type":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-4004","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\/4004","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=4004"}],"version-history":[{"count":2,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts\/4004\/revisions"}],"predecessor-version":[{"id":4007,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/posts\/4004\/revisions\/4007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/media\/4073"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/media?parent=4004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/categories?post=4004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/ko\/wp-json\/wp\/v2\/tags?post=4004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}