{"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\/ja\/bolg\/304-vs-420-stainless-steel\/","title":{"rendered":"304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068420\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<h4>\u76ee\u6b21<\/h4>\n<ul>\n<li><a href=\"#equivalents\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/a><\/li>\n<li><a href=\"#comparison\">SS420 \u3068 SS304: \u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304b?<\/a><\/li>\n<li><a href=\"#pros-cons\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5229\u70b9\u3068\u6b20\u70b9<\/a><\/li>\n<li><a href=\"#corrosion-resistance\">420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8010\u98df\u6027<\/a><\/li>\n<li><a href=\"#knife\">304 \u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9 \u30ca\u30a4\u30d5<\/a><\/li>\n<li><a href=\"#chemical-composition\">AISI 420 vs 304 \u5316\u5b66\u7d44\u6210<\/a><\/li>\n<li><a href=\"#heat-resistance\">\u8010\u71b1\u6027: 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#machinability\">420\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#heat-treatment\">420\u304a\u3088\u3073304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9<\/a><\/li>\n<li><a href=\"#summary\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u306e\u6982\u8981\u8868<\/a><\/li>\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ul>\n<p>\u300c\u30ad\u30c3\u30c1\u30f3\u304b\u3089\u30ab\u30c8\u30e9\u30ea\u30fc\u307e\u3067: 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6c4e\u7528\u6027\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u786c\u5ea6\u3092\u63a2\u308b\u300d<\/p>\n<p>304 \u304a\u3088\u3073 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u8010\u8150\u98df\u6027\u3068\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u5316\u5b66\u7d44\u6210\u3068\u6a5f\u68b0\u7684\u7279\u6027\u306b\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u7523\u696d\u306b\u304a\u3051\u308b\u5177\u4f53\u7684\u306a\u7528\u9014\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u306b\u5c5e\u3059\u308b 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e3b\u306b\u30af\u30ed\u30e0\u3068\u30cb\u30c3\u30b1\u30eb\u306e\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u8010\u8150\u98df\u6027\u304c\u9ad8\u304f\u3001\u7528\u9014\u304c\u5e83\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u5408\u91d1\u306e 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u70ad\u7d20\u542b\u6709\u91cf\u304c\u591a\u304f\u3001\u786c\u5ea6\u3068\u5f37\u5ea6\u306f 304 \u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8010\u8150\u98df\u6027\u306f\u52a3\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"equivalents\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u6a19\u6e96<\/th>\n<th>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<th>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>EN<\/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>\u4e2d\u56fd\u8a9e<\/td>\n<td>06Cr19Ni10<\/td>\n<td>2Cr13<\/td>\n<\/tr>\n<tr>\n<td>\u65e5\u672c\u8a9e<\/td>\n<td>SUS304<\/td>\n<td>SUS420J1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"comparison\">SS420 \u3068 SS304: \u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304b?<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u8010\u98df\u6027\u3068\u6210\u5f62\u6027\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u786c\u5ea6\u3068\u5203\u6301\u3061\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"pros-cons\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5229\u70b9\u3068\u6b20\u70b9<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u30a2\u30b9\u30da\u30af\u30c8<\/th>\n<th>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<th>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>\u8010\u98df\u6027<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u5ea6<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u5f62\u6027<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u8ca7\u3057\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u6eb6\u63a5\u6027<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"corrosion-resistance\">420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8010\u98df\u6027<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u9306\u3084\u9178\u5316\u306b\u975e\u5e38\u306b\u5f37\u3044\u3002\u6e7f\u6c17\u3084\u5869\u5206\u306e\u591a\u3044\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u9306\u3073\u306b\u5f31\u3044\u3002\u4e7e\u71e5\u3057\u305f\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"knife\">304 \u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9 \u30ca\u30a4\u30d5<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u9306\u3073\u306b\u5f37\u3044\u5305\u4e01\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u5916\u79d1\u7528\u5668\u5177\u3084\u30ab\u30c8\u30e9\u30ea\u30fc\u306a\u3069\u3001\u92ed\u3044\u72b6\u614b\u3092\u4fdd\u3064\u5fc5\u8981\u306e\u3042\u308b\u5203\u7269\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"chemical-composition\">AISI 420 vs 304 \u5316\u5b66\u7d44\u6210<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u30a8\u30ec\u30e1\u30f3\u30c8<\/th>\n<th>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<th>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0<\/td>\n<td>18-20%<\/td>\n<td>12-14%<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb<\/td>\n<td>8-10.5%<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<tr>\n<td>\u30ab\u30fc\u30dc\u30f3<\/td>\n<td>\u6700\u59270.08%<\/td>\n<td>0.15-0.40%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"heat-resistance\">\u8010\u71b1\u6027: 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u9023\u7d9a\u4f7f\u7528\u3067\u6700\u5927 870\u00b0C \u307e\u3067\u8010\u3048\u3089\u308c\u307e\u3059\u3002\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u6700\u9ad8 650\u00b0C \u307e\u3067\u8010\u3048\u3089\u308c\u307e\u3059\u3002\u9ad8\u786c\u5ea6\u3092\u5fc5\u8981\u3068\u3059\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"machinability\">420\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6a5f\u68b0\u52a0\u5de5\u6027\u306e\u6bd4\u8f03<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u6a5f\u68b0\u52a0\u5de5\u304c\u5bb9\u6613\u3002\u52a0\u5de5\u786c\u5316\u3057\u3084\u3059\u3044\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u786c\u5ea6\u304c\u9ad8\u3044\u305f\u3081\u3001\u52a0\u5de5\u304c\u56f0\u96e3\u3067\u3059\u3002\u4f4e\u901f\u3067\u3001\u3088\u308a\u9811\u4e08\u306a\u30c4\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"heat-treatment\">420\u304a\u3088\u3073304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9<\/h2>\n<ul>\n<li><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u71b1\u51e6\u7406\u3067\u306f\u786c\u5316\u3067\u304d\u307e\u305b\u3093\u3002\u51b7\u9593\u52a0\u5de5\u306b\u3088\u308a\u786c\u5316\u3057\u307e\u3059\u3002<\/li>\n<li><strong>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> 950\uff5e1050\u2103\u306b\u52a0\u71b1\u3057\u3066\u6025\u51b7\u3059\u308b\u3053\u3068\u3067\u786c\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"summary\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u306e\u6982\u8981\u8868<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u30a2\u30b9\u30da\u30af\u30c8<\/th>\n<th>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<th>420\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>\u8010\u98df\u6027<\/td>\n<td>\u9ad8\u3044<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u5ea6<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u5f62\u6027<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u8ca7\u3057\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u6eb6\u63a5\u6027<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u8010\u71b1\u6027<\/td>\n<td>\u6700\u9ad8870\u2103<\/td>\n<td>\u6700\u9ad8650\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/td>\n<td>\u30ad\u30c3\u30c1\u30f3\u7528\u54c1\u3001\u533b\u7642\u6a5f\u5668<\/td>\n<td>\u30ab\u30c8\u30e9\u30ea\u30fc\u3001\u5916\u79d1\u7528\u5668\u5177<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001\u5316\u5b66\u7d44\u6210\u3068\u6a5f\u68b0\u7684\u7279\u6027\u306b\u3042\u308a\u307e\u3059\u3002304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u8150\u98df\u3084\u9178\u5316\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u975e\u5e38\u306b\u9ad8\u304f\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u3084\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u70ad\u7d20\u542b\u6709\u91cf\u304c\u591a\u304f\u3001\u786c\u5ea6\u3068\u5f37\u5ea6\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u8010\u8150\u98df\u6027\u306f\u4f4e\u3044\u305f\u3081\u3001\u30ab\u30c8\u30e9\u30ea\u30fc\u3084\u305d\u306e\u4ed6\u306e\u5203\u7269\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b21 304 \u304a\u3088\u3073 420 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u540c\u7b49\u54c1\u306f\u4f55\u3067\u3059\u304b? 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