{"id":10409,"date":"2024-09-11T09:39:00","date_gmt":"2024-09-11T01:39:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10409"},"modified":"2024-11-15T15:24:33","modified_gmt":"2024-11-15T07:24:33","slug":"304-vs-304l","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/stainless-steel\/grades\/comparisons\/304-vs-304l\/","title":{"rendered":"304\u5bfe304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03\uff1a\u4e3b\u306a\u9055\u3044\u3068\u7528\u9014"},"content":{"rendered":"<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u305d\u306e\u8010\u98df\u6027\u3068\u9ad8\u6e29\u8010\u4e45\u6027\u3067\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001304\u3068304L\u306e\u3088\u3046\u306a\u30b5\u30d6\u30ab\u30c6\u30b4\u30ea\u3092\u533a\u5225\u3059\u308b\u969b\u306b\u4f3c\u305f\u3088\u3046\u306a\u540d\u524d\u304c\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u306a\u9055\u3044\u306f\u3001\u70ad\u7d20\u542b\u6709\u91cf\u306b\u3042\u308a\u307e\u3059\uff1a304\u306f\u3001\u6700\u59270.08%\u3092\u6301\u3063\u3066\u3044\u308b\u4e00\u65b9\u3001304L\u306f0.03%\u306e\u6700\u5927\u5024\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4e9b\u7d30\u306a\u5909\u5316\u306f\u3001\u305d\u308c\u3089\u306e\u7279\u6027\u306e\u9855\u8457\u306a\u9055\u3044\u306b\u3064\u306a\u304c\u308b\u3002<\/p><p>\u3053\u306e\u30d6\u30ed\u30b0\u3067\u306f\u3001304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u305d\u306e\u5909\u7a2e\u3067\u3042\u308b304L\u306e\u9055\u3044\u3092\u3001\u305d\u306e\u7279\u6027\u3001\u7528\u9014\u3001\u305d\u306e\u4ed6\u306e\u7279\u5fb4\u7684\u306a\u8981\u7d20\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u63a2\u308a\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u306f\uff1f<\/h2><p><a href=\"https:\/\/steelprogroup.com\/ja\/stainless-steel\/grades\/grade-304\/\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/a>\u3001\u307e\u305f\u306f A2\u300118\/8 \u306f\u300118% \u30af\u30ed\u30e0\u3068 8% \u30cb\u30c3\u30b1\u30eb\u3092\u542b\u307f\u3001\u512a\u308c\u305f\u8010\u8150\u98df\u6027\u3001\u6210\u5f62\u6027\u3001\u8010\u4e45\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u71b1\u51e6\u7406\u306b\u3088\u3063\u3066\u786c\u5316\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u713c\u304d\u306a\u307e\u3057\u72b6\u614b\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u6eb6\u63a5\u3084\u6a5f\u68b0\u52a0\u5de5\u304c\u53ef\u80fd\u3067\u3001\u30b7\u30f3\u30af\u3001\u98df\u54c1\u30bf\u30f3\u30af\u3001\u624b\u8853\u5668\u5177\u3001\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u306f\uff1f<\/h2><p>304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u300170%\u306e\u9244\u300118%\u306e\u30af\u30ed\u30e0\u30018%\u306e\u30cb\u30c3\u30b1\u30eb\u304b\u3089\u306a\u308b\u9280\u7070\u8272\u306e\u5408\u91d1\u3067\u3042\u308b\u3002L \"\u306f \"\u4f4e\u70ad\u7d20 \"\u3092\u610f\u5473\u3057\u3001304\u3088\u308a\u3082\u4f4e\u30440.03%\u306e\u70ad\u7d20\u3092\u6709\u3059\u308b\u3002\u3053\u308c\u306f\u3001\u6eb6\u63a5\u4e2d\u306b\u70ad\u5316\u7269\u306e\u84c4\u7a4d\u3092\u9632\u6b62\u3057\u3001\u8010\u98df\u6027\u3092\u9ad8\u3081\u308b\u3002\u3053\u308c\u306f\u3001\u30a2\u30cb\u30fc\u30eb\u305b\u305a\u306b\u8150\u98df\u6027\u74b0\u5883\u3067\u3046\u307e\u304f\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u306e\u7269\u8cea\u306f\u3001\u4e3b\u306b\u5316\u5b66\u51e6\u7406\u3001\u98df\u54c1\u30fb\u98f2\u6599\u88fd\u9020\u3001\u5efa\u7bc9\u306a\u3069\u306e\u5206\u91ce\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3002<\/p><h2 class=\"wp-block-heading\">304l vs 304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u7279\u6027&nbsp;<\/h2><p>304\u3068304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e3b\u306a\u9055\u3044\u306f\u70ad\u7d20\u542b\u6709\u91cf\u306b\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u4ed6\u306e\u8981\u7d20\u3082\u4e21\u8005\u3092\u533a\u5225\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u30d1\u30fc\u30c8\u3067\u306f\u3001\u7279\u6027\u3001\u7528\u9014\u3001\u88fd\u9020\u5de5\u7a0b\u3092\u542b\u3081\u3001\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u63a2\u308a\u3001\u9069\u5207\u306a\u3082\u306e\u3092\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">304 \u3068 304L \u306e\u5316\u5b66\u7d44\u6210 (\u91cd\u91cf %)<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td><td><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><td><strong>304L \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><\/tr><tr><td>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td><td>\u2264 0.08%<\/td><td>\u2264 0.03%<\/td><\/tr><tr><td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td><td>18.0-20.0%<\/td><td>18.0-20.0%<\/td><\/tr><tr><td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td><td>8.0-10.5%<\/td><td>8.0-12.0%<\/td><\/tr><tr><td>\u30de\u30f3\u30ac\u30f3 (Mn)<\/td><td>\u2264 2.00%<\/td><td>\u2264 2.00%<\/td><\/tr><tr><td>\u30b1\u30a4\u7d20 (Si)<\/td><td>\u2264 0.75%<\/td><td>\u2264 0.75%<\/td><\/tr><tr><td>\u30ea\u30f3 (P)<\/td><td>\u2264 0.045%<\/td><td>\u2264 0.045%<\/td><\/tr><tr><td>\u786b\u9ec4\uff08S\uff09<\/td><td>\u2264 0.030%<\/td><td>\u2264 0.030%<\/td><\/tr><tr><td>\u7a92\u7d20\uff08N\uff09<\/td><td>\u2264 0.10%<\/td><td>\u2264 0.10%<\/td><\/tr><tr><td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td><td>\u3044\u3044\u3048<\/td><td>\u3044\u3044\u3048<\/td><\/tr><\/tbody><\/table><\/figure><h4 class=\"wp-block-heading\">\u8010\u98df\u6027<\/h4><p>304\u3068304L\u306f\u307b\u307c\u540c\u3058 <a href=\"https:\/\/steelprogroup.com\/ja\/stainless-steel\/properties\/corrosion-resistant\/\">\u8010\u98df\u6027<\/a> \u307b\u3068\u3093\u3069\u306e\u74b0\u5883\u3067\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001304L \u306f\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\u305f\u3081\u3001\u7279\u306b\u6eb6\u63a5\u5f8c\u3084\u71b1\u66b4\u9732\u5f8c\u306e\u7c92\u754c\u8150\u98df\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u6027\u80fd\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p><h4 class=\"wp-block-heading\">\u6eb6\u63a5\u6027<\/h4><p>304L\u306f\u3088\u308a\u826f\u3044 <a href=\"https:\/\/steelprogroup.com\/ja\/stainless-steel\/welding\/\">\u6eb6\u63a5\u6027<\/a> 304 \u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u6eb6\u63a5\u5f8c\u306e\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u304c\u4e0d\u8981\u306a\u306e\u3067\u3001\u6eb6\u63a5\u90e8\u306e\u8150\u98df\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u304c\u3001304 \u3067\u306f\u6eb6\u63a5\u5f8c\u306b\u8010\u8150\u98df\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">304\u5bfe304L\u306e\u7269\u7406\u7684\u6027\u8cea<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><td><strong>304L \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>8.0 g\/cm\u00b3<\/td><td>8.0 g\/cm\u00b3<\/td><\/tr><tr><td>\u878d\u70b9<\/td><td>1400\u00b0c - 1450\u00b0c<\/td><td>1400\u00b0c - 1450\u00b0c<\/td><\/tr><tr><td>\u71b1\u4f1d\u5c0e\u7387<\/td><td>16.2 W\/m-K at 100\u00b0C<\/td><td>16.2 W\/m-K at 100\u00b0C<\/td><\/tr><tr><td>\u5f3e\u6027\u4fc2\u6570<\/td><td>193 GPa<\/td><td>193 GPa<\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>~515 MPa<\/td><td>~485 MPa<\/td><\/tr><\/tbody><\/table><\/figure><h4 class=\"wp-block-heading\">\u5bc6\u5ea6<\/h4><p>304\u304a\u3088\u3073304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5bc6 \u5ea6\u306f\u3069\u3061\u3089\u30828.0g\/cm\u00b3\u3067\u3001\u5358\u4f4d\u4f53\u7a4d\u5f53 \u305f\u308a\u306e\u91cd\u91cf\u304c\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3001\u91cd\u91cf\u304c \u91cd\u8981\u8996\u3055\u308c\u308b\u7528\u9014\u306b\u7b49\u3057\u304f\u9069\u3057\u3066\u3044\u308b\u3002<\/p><h4 class=\"wp-block-heading\">\u878d\u70b9<\/h4><p>\u878d\u70b9\u306f1400\u2103\u304b\u30891450\u2103\u306e\u7bc4\u56f2\u306b\u3042\u308a\u3001\u4e21\u7d20\u6750\u3068\u3082\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u5931\u3046\u3053\u3068\u306a\u304f\u9ad8\u6e29\u4e0b\u3067\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3002<\/p><h4 class=\"wp-block-heading\">\u71b1\u4f1d\u5c0e\u7387\u3068\u5f3e\u6027\u4fc2\u6570<\/h4><p>\u4e21\u8005\u306e100\u2103\u306b\u304a\u3051\u308b\u71b1\u4f1d\u5c0e\u7387\u306f16.2W\/m\u30fbK\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u540c\u3058\u71b1\u4f1d\u5c0e\u7387\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u3055\u3089\u306b\u3001\u4e21\u8005\u306e\u5f3e\u6027\u7387\u306f193GPa\u3067\u3042\u308a\u3001\u525b\u6027\u3068\u5909\u5f62\u5f8c\u306b\u5143\u306e\u5f62\u72b6\u306b\u623b\u308b\u80fd\u529b\u306f\u540c\u3058\u3067\u3042\u308b\u3002<\/p><h3 class=\"wp-block-heading\">304\u3068304L\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong><\/td><td><strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><td><strong>304L \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>515 MPa<\/td><td>485 MPa<\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>205 MPa<\/td><td>170 MPa<\/td><\/tr><tr><td>\u7834\u65ad\u4f38\u5ea6<\/td><td>40%<\/td><td>40%<\/td><\/tr><tr><td>\u786c\u5ea6\uff08\u30ed\u30c3\u30af\u30a6\u30a7\u30ebB\uff09<\/td><td>82<\/td><td>82<\/td><\/tr><tr><td>\u885d\u6483\u976d\u6027<\/td><td>\u9ad8\u3044<\/td><td>\u9ad8\u3044<\/td><\/tr><\/tbody><\/table><\/figure><p>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9ad8\u3044\u964d\u4f0f\u3068\u5f15\u5f35\u5f37\u3055\u306f\u3001\u69cb\u9020\u90e8\u54c1\u3084\u9811\u4e08\u306a\u6a5f\u5668\u306e\u3088\u3046\u306a\u8981\u6c42\u306e\u53b3\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002\u305d\u308c\u306f\u3001\u30b9\u30c8\u30ec\u30b9\u306e\u4e0b\u3067\u512a\u308c\u305f\u8010\u4e45\u6027\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u6bd4\u8f03\u3059\u308b\u3068\u3001304\u306e\u90e8\u54c1\u306f\u3001\u5f37\u5ea6\u304c\u4f4e\u3044\u305f\u3081\u306b\u5909\u5f62\u3057\u3084\u3059\u3044304L\u306e\u90e8\u54c1\u3088\u308a\u3082\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3082\u5909\u5f62\u3057\u305f\u308a\u58ca\u308c\u305f\u308a\u3057\u306b\u304f\u3044\u3002<\/strong><\/p><h3 class=\"wp-block-heading\">\u306a\u305c304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u3059\u304b\uff1f<\/h3><p>304L\u306f\u3001\u7279\u306b\u6eb6\u63a5\u5f8c\u306e\u7c92\u754c\u8150\u98df\u306b\u3088\u304f\u8010\u3048\u308b\u305f\u3081\u3001\u5f37\u5ea6\u306f\u4f4e\u3044\u304c\u4f7f\u7528\u3055\u308c\u308b\u3002\u305d\u306e\u4f4e\u70ad\u7d20\u542b\u6709\u91cf\u306f\u3001\u70ad\u5316\u7269\u306e\u6790\u51fa\u3092\u9632\u6b62\u3057\u3001304\u306f\u3088\u308a\u5f37\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u6eb6\u63a5\u5f8c\u306e\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u6eb6\u63a5\u90e8\u54c1\u306b\u6700\u9069\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">304\u304a\u3088\u3073304L\u306e\u88fd\u9020\u52a0\u5de5<\/h2><p>304\u3068304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u540c\u69d8\u306b\u88fd\u9020\u3055\u308c \u308b\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf\u306e\u9055\u3044\u306f\u3001\u7279\u306b\u6eb6\u63a5\u3068\u8010\u98df\u6027\u306b \u304a\u3044\u3066\u3001\u7279\u5b9a\u306e\u88fd\u9020\u5de5\u7a0b\u306b\u5f71\u97ff\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u624b\u9806\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u306f\u3001\u6b63\u3057\u3044\u92fc\u7a2e\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p><h3 class=\"wp-block-heading\">\u6eb6\u63a5<\/h3><p><strong>304:<\/strong> \u6eb6\u63a5\u90e8\u3067\u306e\u8150\u98df\u306e\u539f\u56e0\u3068\u306a\u308b\u70ad\u5316\u7269\u306e\u751f\u6210\u3092\u9632\u3050\u305f \u3081\u3001\u5165\u71b1\u3092\u6b63\u78ba\u306b\u8abf\u7bc0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u8010\u98df\u6027\u3092\u56de\u5fa9\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u6eb6\u63a5\u5f8c\u306e \u713c\u920d\u304c\u983b\u7e41\u306b\u5fc5\u8981\u3068\u306a\u308b\u3002<\/p><p><strong>304L:<\/strong> \u305d\u306e\u6e1b\u5c11\u70ad\u7d20\u542b\u6709\u91cf\u306e\u305f\u3081\u3001304L\u306f\u3001\u6eb6\u63a5\u4e2d\u306b\u70ad\u5316\u7269\u5f62\u6210\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u3044\u3002 <strong>\u3053\u308c\u306b\u3088\u308a\u3001\u6eb6\u63a5\u5f8c\u306e\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u6eb6\u63a5\u3067\u304d\u308b\u3002<\/strong>\u6eb6\u63a5\u7528\u9014\u306b\u3088\u308a\u4fbf\u5229\u3067\u3042\u308b\u3002<\/p><h3 class=\"wp-block-heading\">\u71b1\u51e6\u7406<\/h3><p><strong>304:<\/strong> \u5185\u90e8\u5fdc\u529b\u3092\u8efd\u6e1b\u3057\u8010\u98df\u6027\u3092\u56de\u5fa9\u3055\u305b\u308b\u305f\u3081\u3001\u6210\u5f62\u307e\u305f\u306f\u6eb6\u63a5\u5f8c\u306b\u713c\u920d\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308b\u3002<\/p><p><strong>304L:<\/strong> \u901a\u5e38\u3001\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\u305f\u3081\u6eb6\u63a5\u5f8c\u306e\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u306f\u4e0d\u8981\u3067\u3001\u611f\u4f5c\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3002<\/p><h3 class=\"wp-block-heading\">\u52a0\u5de5\u6027<\/h3><p><strong>304:<\/strong> 304L\u306b\u6bd4\u3079\u3084\u3084\u786c\u304f\u3001\u52a0\u5de5\u786c\u5316\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u52a0\u5de5\u901f\u5ea6\u3084\u5de5\u5177\u6469\u8017\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3002<\/p><p><strong>304L:<\/strong> 304\u3088\u308a\u3082\u52a0\u5de5\u3057\u3084\u3059\u304f\u3001\u52a0\u5de5\u786c\u5316\u304c\u5c11\u306a\u3044\u305f\u3081\u3001\u8907\u96d1\u306a\u6a5f\u68b0\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/p><p>\u8981\u7d04\u3059\u308b\u3068\u3001304\u3068304L\u306e\u88fd\u9020\u5de5\u7a0b\u306f\u3001\u7279\u306b\u6750\u6599\u7279\u6027\u3001\u52a0\u5de5\u65b9\u6cd5\u3001\u7528\u9014\u306b\u304a\u3044\u3066\u307b\u3068\u3093\u3069\u985e\u4f3c\u3057\u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3089\u306f\u6b21\u306e\u70b9\u3067\u7570\u306a\u308b\u3002 <strong>\u6eb6\u63a5\u6027\u80fd\u3001\u71b1\u51e6\u7406\u3001\u6a5f\u68b0\u52a0\u5de5<\/strong>.\u9069\u5207\u306a\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u7528\u9014\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u4f9d\u5b58\u3059\u308b\u3002<\/p><h4 class=\"wp-block-heading\">304\u5bfe304L\u306e\u30b3\u30b9\u30c8<\/h4><p>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30b3\u30b9\u30c8\u5dee \u306f\u3001\u901a\u5e38\u5c0f\u3055\u3044\u3002\u3057\u304b\u3057\u3001304L\u306f\u3001\u7279\u306b\u6eb6\u63a5\u69cb \u9020\u7269\u306b\u304a\u3051\u308b\u6eb6\u63a5\u6027\u3068\u7c92\u754c\u8150\u98df\u8010\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f \u3081\u306b\u5fc5\u8981\u306a\u8ffd\u52a0\u52a0\u5de5\u306b\u3088\u308a\u3001\u82e5\u5e72\u9ad8\u4fa1\u306b\u306a\u308b\u3002\u308f\u305a\u304b\u306a\u4fa1\u683c\u4e0a\u6607\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u7279\u5b9a\u306e\u74b0 \u5883\u306b\u304a\u3051\u308b304L\u306e\u9577\u671f\u7684\u306a\u5229\u70b9\u306f\u3001\u9ad8\u3044\u521d\u671f\u30b3 \u30b9\u30c8\u3092\u76f8\u6bba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p><h2 class=\"wp-block-heading\">304\u304a\u3088\u3073304L\u306e\u540c\u7b49\u30b0\u30ec\u30fc\u30c9<\/h2><p>\u95a2\u9023\u3059\u308b\u56fd\u5185\u304a\u3088\u3073\u56fd\u969b\u898f\u683c\u306b\u6e96\u62e0\u3057\u305f304\u304a\u3088\u3073304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u540c\u7b49\u30b0\u30ec\u30fc\u30c9\u306e\u8868\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30ab\u30f3\u30c8\u30ea\u30fc\/\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong><\/td><td><strong>\u4ed5\u69d8<\/strong><\/td><td><strong>\u30b0\u30ec\u30fc\u30c9 (304)<\/strong><\/td><td><strong>\u30b0\u30ec\u30fc\u30c9 (304L)<\/strong><\/td><\/tr><tr><td>\u7c73\u56fd<\/td><td>A240, A312<\/td><td>304<\/td><td>304L<\/td><\/tr><tr><td>\u4e2d\u56fd<\/td><td>GB\/T 1220\u3001GB\/T 14975<\/td><td>0Cr18Ni9<\/td><td>00Cr19Ni10<\/td><\/tr><tr><td>\u65e5\u672c<\/td><td>JIS G4304, JIS G4305<\/td><td>SUS304<\/td><td>SUS304L<\/td><\/tr><tr><td>\u30a4\u30f3\u30bf\u30fc\u30ca\u30b7\u30e7\u30ca\u30eb<\/td><td>ISO 15510<\/td><td>X5CrNi18-10<\/td><td>X2CrNi19-11<\/td><\/tr><tr><td>\u30e8\u30fc\u30ed\u30c3\u30d1<\/td><td>EN 10088-2<\/td><td>1.4301<\/td><td>1.4307<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4ed6\u306e\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9<\/h2><p>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u591a\u69d8\u306a\u7528\u9014\u306e\u305f\u3081\u306e\u660e\u78ba\u306a\u7279\u6027\u3092\u63d0\u4f9b\u3059\u308b\u69d8\u3005\u306a\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u306f\u3001304H\u3068304N\u3092\u542b\u307f\u3001\u305d\u308c\u305e\u308c\u304c\u69d8\u3005\u306a\u7523\u696d\u306b\u304a\u3051\u308b\u30e6\u30cb\u30fc\u30af\u306a\u8981\u4ef6\u306e\u305f\u3081\u306b\u8abf\u6574\u3055\u308c\u308b\u3002<\/p><h3 class=\"wp-block-heading\">304H<\/h3><p>\u3053\u306e\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u6a19\u6e96\u7684\u306a304\u3088\u308a\u3082\u591a\u304f\u306e\u70ad\u7d20\u3092\u542b\u307f\u3001\u9ad8\u6e29\u3067\u306e\u5f37\u5ea6\u3068\u8010\u9178\u5316\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e00\u822c\u7684\u306b\u9ad8\u6e29\u304c\u61f8\u5ff5\u3055\u308c\u308b\u767a\u96fb\u3084\u5316\u5b66\u51e6\u7406\u306e\u3088\u3046\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">304N<\/h3><p>\u6dfb\u52a0\u3055\u308c\u305f\u7a92\u7d20\u306b\u8d77\u56e0\u3059\u308b\u305d\u306e\u5f37\u5316\u3055\u308c\u305f\u5f37\u5ea6\u306e\u305f\u3081\u306b\u77e5\u3089\u308c\u3066\u3044\u308b\u3001304N\u306f\u3001\u6a19\u6e96\u7684\u306a304\u3088\u308a\u3082\u512a\u308c\u305f\u6a5f\u68b0\u7684\u7279\u6027\u3068\u8010\u98df\u6027\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u3057\u3070\u3057\u3070\u6539\u5584\u3055\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u9ad8\u5f37\u5ea6\u69cb\u9020\u7528\u9014\u3084\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">304\u5bfe304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2><p>304\u3068304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u5316\u5b66\u7684\u3001 \u7269\u7406\u7684\u7279\u6027\u306f\u985e\u4f3c\u3057\u3066\u3044\u308b\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf \u306e\u9055\u3044\u306b\u3088\u308a\u3001\u7528\u9014\u304c\u7570\u306a\u308b\u3002\u3053\u308c\u3089\u306e\u9055\u3044\u306f\u3001\u5404\u92fc\u7a2e\u304c\u6700\u3082\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u5834\u6240\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p><h3 class=\"wp-block-heading\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/h3><ul class=\"wp-block-list\"><li><strong>\u69cb\u9020\u90e8\u54c1\uff1a<\/strong> \u5efa\u7bc9\u7269\u306e\u9aa8\u7d44\u307f\u3001\u6a4b\u3001\u8010\u8377\u91cd\u69cb\u9020\u7269\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li>\n\n<li><strong>\u81ea\u52d5\u8eca\u90e8\u54c1\uff1a<\/strong> \u6392\u6c17\u88c5\u7f6e\u3001\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u3001\u30c8\u30ea\u30e0\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u3002<br><strong>\u7523\u696d\u6a5f\u5668\uff1a<\/strong> \u3055\u307e\u3056\u307e\u306a\u5316\u5b66\u85ac\u54c1\u306b\u3055\u3089\u3055\u308c\u308b\u30bf\u30f3\u30af\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3001\u6a5f\u68b0\u306b\u6700\u9069\u3002<\/li>\n\n<li><strong>\u6d88\u8cbb\u8005\u5411\u3051\u88fd\u54c1\uff1a<\/strong> \u30ad\u30c3\u30c1\u30f3\u306e\u30b7\u30f3\u30af\u3001\u8abf\u7406\u5668\u5177\u3001\u5bb6\u96fb\u88fd\u54c1\u306b\u542b\u307e\u308c\u308b\u3002<br><strong>\u533b\u7642\u6a5f\u5668<\/strong> \u5916\u79d1\u5668\u5177\u3001\u6b6f\u79d1\u5668\u5177\u3001\u75c5\u9662\u8a2d\u5099\u306b\u4f7f\u7528\u3002<\/li>\n\n<li><strong>\u98df\u54c1\u52a0\u5de5\u6a5f\u5668<\/strong>:\u5bb9\u5668\u3001\u8abf\u7406\u5668\u5177\u3001\u30b3\u30f3\u30d9\u30e4\u30fc\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u98df\u54c1\u306e\u8caf\u8535\u3001\u53d6\u308a\u6271\u3044\u3001\u8abf\u7406\u6a5f\u5668\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li><\/ul><h3 class=\"wp-block-heading\">304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/h3><ul class=\"wp-block-list\"><li><strong>\u6eb6\u63a5\u69cb\u9020\uff1a<\/strong> \u6eb6\u63a5\u3055\u308c\u305f\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3001\u8caf\u8535\u30bf\u30f3\u30af\u3001\u71b1\u4ea4\u63db\u5668\u306b\u304a\u3044\u3066\u512a\u9047\u3055\u308c\u308b\u3002<br><strong>\u5316\u5b66\u51e6\u7406\uff1a<\/strong> \u30ea\u30a2\u30af\u30bf\u30fc\u3084\u30df\u30ad\u30b7\u30f3\u30b0\u30bf\u30f3\u30af\u306a\u3069\u3001\u8150\u98df\u6027\u306e\u5316\u5b66\u85ac\u54c1\u3092\u6271\u3046\u8a2d\u5099\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li>\n\n<li><strong>\u6d77\u6d0b\u74b0\u5883\uff1a<\/strong> \u9020\u8239\u3001\u30aa\u30d5\u30b7\u30e7\u30a2\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u6c34\u4e2d\u914d\u7ba1\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/li>\n\n<li><strong>\u88fd\u85ac\u6a5f\u5668\uff1a<\/strong> 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\u767a\u96fb\u304a\u3088\u3073HVAC\u7528\u30b7\u30b9\u30c6\u30e0\u306b\u63a1\u7528\u3002<\/li>\n\n<li><strong>\u5727\u529b\u5bb9\u5668\uff1a<\/strong> \u30dc\u30a4\u30e9\u30fc\u3001\u30ac\u30b9\u30dc\u30f3\u30d9\u3001\u5de5\u696d\u7528\u5727\u529b\u5bb9\u5668\u306b\u542b\u307e\u308c\u308b\u3002<\/li>\n\n<li><strong>\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> \u6c34\u51e6\u7406\u30d7\u30e9\u30f3\u30c8\u3001\u88fd\u6cb9\u6240\u3001\u914d\u7d66\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\u3002<\/li>\n\n<li><strong>\u98df\u54c1\u30fb\u98f2\u6599\u6a5f\u5668<\/strong> 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class=\"wp-block-heading\">304L\u306f304\u3088\u308a\u786c\u3044\uff1f<\/h2><p>\u3044\u3044\u3048\u3001304L\u306f304\u3088\u308a\u3082\u786c\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002304L\u306f\u3001\u305d\u306e\u4f4e\u3044\u70ad\u7d20\u542b\u6709\u91cf\u306b\u8d77\u56e0\u3059\u308b304\u306b\u6bd4\u3079\u3066\u308f\u305a\u304b\u306b\u4f4e\u3044\u5f15\u5f35\u5f37\u3055\u3068\u964d\u4f0f\u5f37\u3055\u3092\u6709\u3059\u308b.304L\u306f\u3001304\u3088\u308a\u3082\u786c\u3044\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p><h2 class=\"wp-block-heading\">304\u3068304L\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2><p>Dual-certified304\/304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e21\u65b9\u306e\u30b0\u30ec\u30fc\u30c9\u306e\u4ed5\u69d8\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f304L\u306e\u5316\u5b66\u7d44\u6210\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u3001304\u306e\u6a5f\u68b0\u7684\u7279\u6027\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h2 class=\"wp-block-heading\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5f37\u5ea6\u306f\uff1f<\/h2><p>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u7d04515 MPa (75 ksi)\u306e\u5f15\u5f35\u5f37\u3055\u3068\u7d04215 MPa (31 ksi)\u306e\u964d\u4f0f\u5f37\u3055\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u307e\u305f\u3001\u826f\u597d\u306a\u5ef6\u6027\u3068\u976d\u6027\u3092\u63d0\u4f9b\u3057\u306a\u304c\u3089\u3001\u5909\u5f62\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u5927\u304d\u306a\u5fdc\u529b\u3068\u5727\u529b\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u3053\u306e\u5f37\u5ea6\u306f\u3001\u305d\u308c\u304c\u3001\u69d8\u3005\u306a\u69cb\u9020\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p><h2 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class=\"wp-block-heading\">\u307e\u3068\u3081\u3068\u7d50\u8ad6<\/h2><p>304\u304a\u3088\u3073304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u8010\u98df\u6027\u3068\u6c4e\u7528\u6027\u306e\u4e21\u65b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u9055\u3044\u306f\u70ad\u7d20\u542b\u6709\u91cf\u3067\u3042\u308b\uff1a304\u306f0.08%\u307e\u3067\u3001304L\u306f0.03%\u307e\u3067\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001304L\u306f\u82e5\u5e72\u5f31\u3044\u3067\u3059\u304c\u3001\u6eb6\u63a5\u3084\u8150\u98df\u6027\u74b0\u5883\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p><p>304\u306f\u9ad8\u5f37\u5ea6\u7528\u9014\u306b\u6700\u9069\u3067\u3001304L\u306f\u6eb6\u63a5\u3068\u8010\u98df\u6027\u306b\u6700\u9069\u3067\u3042\u308b\u3002\u3069\u3061\u3089\u3082\u5efa\u7bc9\u3001\u98df\u54c1\u52a0\u5de5\u3001\u914d\u7ba1\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p><p><a href=\"https:\/\/steelprogroup.com\/ja\">\u30b9\u30c1\u30fc\u30eb\u30d7\u30ed\u30b0\u30eb\u30fc\u30d7<\/a> \u306f\u3001\u677f\u3001\u30d1\u30a4\u30d7\u3001\u4e38\u68d2\u306e304\u304a\u3088\u3073304L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8c4a\u5bcc\u306a\u5728\u5eab\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7a2e\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/steelprogroup.com\/ja\/blog\/\">\u30d6\u30ed\u30b0\u30da\u30fc\u30b8<\/a>. <a href=\"https:\/\/steelprogroup.com\/ja\/contact-us\/\">\u6700\u826f\u306e\u304a\u898b\u7a4d\u3082\u308a\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u5c02\u9580\u5bb6\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/a>!<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u8010\u8150\u98df\u6027\u3068\u9ad8\u6e29\u8010\u4e45\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4f3c\u305f\u3088\u3046\u306a\u540d\u524d\u306e\u305f\u3081\u3001\u533a\u5225\u304c\u3064\u304d\u306b\u304f\u304f\u6df7\u4e71\u3092\u62db\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002[\u2026]<\/p>","protected":false},"author":1,"featured_media":10404,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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