{"id":3992,"date":"2024-06-29T13:08:09","date_gmt":"2024-06-29T13:08:09","guid":{"rendered":"https:\/\/machining-quote.com\/?p=3992"},"modified":"2024-07-09T09:29:50","modified_gmt":"2024-07-09T09:29:50","slug":"304-vs-321-stainless-steel","status":"publish","type":"post","link":"https:\/\/machining-quote.com\/ja\/bolg\/304-vs-321-stainless-steel\/","title":{"rendered":"304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u9ad8\u6e29\u7528\u9014\u306b\u306f\u3069\u3061\u3089\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u304b?"},"content":{"rendered":"<h4>\u76ee\u6b21<\/h4>\n<ul>\n<li><a href=\"#disadvantages-and-advantages-of-using-304-vs-321-stainless-steel\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u305d\u308c\u305e\u308c\u306e\u6b20\u70b9\u3068\u5229\u70b9\u306f\u4f55\u3067\u3059\u304b?<\/a><\/li>\n<li><a href=\"#ss-321-vs-ss-304-chemical-composition\">SS 321 \u3068 SS 304 \u306e\u5316\u5b66\u7d44\u6210<\/a><\/li>\n<li><a href=\"#heat-resistance-analyzing-304-and-321-stainless-steel\">\u8010\u71b1\u6027\uff1a304\u304a\u3088\u3073321\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5206\u6790<\/a><\/li>\n<li><a href=\"#corrosion-resistance-304-vs-321-stainless-steel-in-high-temperature-environments\">\u8010\u98df\u6027: \u9ad8\u6e29\u74b0\u5883\u306b\u304a\u3051\u308b 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#mechanical-properties-strength-and-durability-of-304-vs-321\">\u6a5f\u68b0\u7684\u7279\u6027: 304 \u3068 321 \u306e\u5f37\u5ea6\u3068\u8010\u4e45\u6027<\/a><\/li>\n<li><a href=\"#evaluating-304-and-321-stainless-steel-for-budget-conscious-projects\">\u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e 304 \u304a\u3088\u3073 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8a55\u4fa1<\/a><\/li>\n<li><a href=\"#weldability-which-stainless-steel-is-better-for-welding-applications\">\u6eb6\u63a5\u6027: \u6eb6\u63a5\u7528\u9014\u306b\u9069\u3057\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3069\u308c\u3067\u3059\u304b?<\/a><\/li>\n<li><a href=\"#machining-which-stainless-steel-is-better-for-welding-applications\">\u6a5f\u68b0\u52a0\u5de5: \u6eb6\u63a5\u7528\u9014\u306b\u9069\u3057\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3069\u308c\u3067\u3059\u304b?<\/a><\/li>\n<li><a href=\"#304-vs-321-stainless-steel-in-prolonged-high-temperature-use\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9577\u671f\u9ad8\u6e29\u4f7f\u7528\u306e\u6bd4\u8f03<\/a><\/li>\n<li><a href=\"#what-is-the-difference-between-304-and-321-stainless-steel\">304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068321\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b<\/a><\/li>\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ul>\n<p>\u9ad8\u6e29\u7528\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3001304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u3092\u77e5\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u8010\u4e45\u6027\u3068\u8010\u8150\u98df\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7d44\u6210\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u9ad8\u6e29\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7d39\u4ecb\u3067\u306f\u3001304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7279\u6027\u3092\u8abf\u3079\u3001\u8010\u71b1\u6027\u3001\u6a5f\u68b0\u7684\u7279\u6027\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3001\u3069\u3061\u3089\u304c\u9ad8\u6e29\u306b\u9069\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"disadvantages-and-advantages-of-using-304-vs-321-stainless-steel\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u305d\u308c\u305e\u308c\u306e\u6b20\u70b9\u3068\u5229\u70b9\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u9178\u5316\u3084\u8150\u98df\u306b\u5bfe\u3057\u3066\u9ad8\u3044\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u6210\u5f62\u6027\u3001\u6eb6\u63a5\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>800\u00b0F \u3092\u8d85\u3048\u308b\u3068\u654f\u611f\u306b\u306a\u308a\u3001\u8150\u98df\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u30c1\u30bf\u30f3\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u70ad\u5316\u30af\u30ed\u30e0\u306e\u5f62\u6210\u306b\u5bfe\u3057\u3066\u6750\u6599\u3092\u5b89\u5b9a\u5316\u3057\u307e\u3059\u3002<\/li>\n<li>\u512a\u308c\u305f\u9ad8\u6e29\u7279\u6027\u3067\u5f37\u5ea6\u3068\u976d\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c1\u30bf\u30f3\u306e\u8ffd\u52a0\u3068\u52a0\u5de5\u8981\u4ef6\u306b\u3088\u308a\u4fa1\u683c\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>800\u00b0F \u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3067\u3082\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u9ad8\u6e29\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u9ad8\u6e29\u7528\u9014\u306b 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u6e29\u5ea6\u304c\u5e38\u306b 800\u00b0F \u3092\u8d85\u3048\u308b\u5834\u5408\u3001\u654f\u611f\u5316\u306b\u5bfe\u3059\u308b\u8010\u6027\u3068\u8010\u4e45\u6027\u306b\u3088\u308a\u3001321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u65b9\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u6e29\u5ea6\u304c 800\u00b0F \u3092\u8d85\u3048\u306a\u3044\u30b3\u30b9\u30c8\u91cd\u8996\u306e\u7528\u9014\u3067\u306f\u3001304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u5341\u5206\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"ss-321-vs-ss-304-chemical-composition\">SS 321 \u3068 SS 304 \u306e\u5316\u5b66\u7d44\u6210<\/h2>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30a8\u30ec\u30e1\u30f3\u30c8<\/th>\n<th>\u30b3\u30f3\u30c6\u30f3\u30c4<\/th>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0<\/td>\n<td>18%<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb<\/td>\n<td>8%<\/td>\n<\/tr>\n<tr>\n<td>\u30ab\u30fc\u30dc\u30f3<\/td>\n<td>0.08%\u6700\u5927<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30a8\u30ec\u30e1\u30f3\u30c8<\/th>\n<th>\u30b3\u30f3\u30c6\u30f3\u30c4<\/th>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0<\/td>\n<td>17-19%<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb<\/td>\n<td>9-12%<\/td>\n<\/tr>\n<tr>\n<td>\u30ab\u30fc\u30dc\u30f3<\/td>\n<td>0.08%\u6700\u5927<\/td>\n<\/tr>\n<tr>\n<td>\u30c1\u30bf\u30f3<\/td>\n<td>5xC\u5206<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e3b\u306a\u9055\u3044\u306f\u3001321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u30c1\u30bf\u30f3\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u70ad\u5316\u30af\u30ed\u30e0\u306e\u5f62\u6210\u304c\u9632\u6b62\u3055\u308c\u3001\u9ad8\u6e29\u3067\u3082\u3088\u308a\u5b89\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"heat-resistance-analyzing-304-and-321-stainless-steel\">\u8010\u71b1\u6027\uff1a304\u304a\u3088\u3073321\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5206\u6790<\/h2>\n<p>\u9ad8\u6e29\u7528\u9014\u3067\u306f\u3001\u9069\u5207\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u6027\u80fd\u3068\u5bff\u547d\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002304 \u3068 321 \u306e\u6bd4\u8f03\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>500\u00b0C \u307e\u3067\u512a\u308c\u305f\u5f37\u5ea6\u3068\u976d\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>500\u00b0C \u3092\u8d85\u3048\u308b\u3068\u70ad\u5316\u7269\u304c\u6790\u51fa\u3057\u3001\u8010\u98df\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>900\u00b0C \u307e\u3067\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c1\u30bf\u30f3\u306b\u3088\u308a\u70ad\u5316\u7269\u306e\u6790\u51fa\u306b\u5f37\u304f\u3001\u8010\u98df\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li>\u822a\u7a7a\u5b87\u5b99\u90e8\u54c1\u3084\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u5b89\u5b9a\u6027\u3068\u9ad8\u6e29\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u5f37\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"corrosion-resistance-304-vs-321-stainless-steel-in-high-temperature-environments\">\u8010\u98df\u6027: \u9ad8\u6e29\u74b0\u5883\u306b\u304a\u3051\u308b 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03<\/h2>\n<p>\u8010\u8150\u98df\u6027\u306f\u9ad8\u6e29\u74b0\u5883\u3067\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002304 \u3068 321 \u306e\u6027\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u591a\u304f\u306e\u74b0\u5883\u306b\u304a\u3044\u3066\u512a\u308c\u305f\u8010\u8150\u98df\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/li>\n<li>800\u00b0F \u3092\u8d85\u3048\u308b\u3068\u70ad\u5316\u7269\u306e\u6790\u51fa\u306b\u3088\u308a\u7c92\u754c\u8150\u98df\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>1500\u00b0F \u307e\u3067\u306e\u7c92\u754c\u8150\u98df\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u5468\u671f\u7684\u304a\u3088\u3073\u7d99\u7d9a\u7684\u306a\u9ad8\u6e29\u74b0\u5883\u306e\u4e21\u65b9\u3067\u8010\u9178\u5316\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u9ad8\u6e29\u3067\u306e\u5f37\u529b\u306a\u8010\u8150\u98df\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u3067\u306f\u3001\u901a\u5e38\u3001321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u65b9\u304c 304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"mechanical-properties-strength-and-durability-of-304-vs-321\">\u6a5f\u68b0\u7684\u7279\u6027: 304 \u3068 321 \u306e\u5f37\u5ea6\u3068\u8010\u4e45\u6027<\/h2>\n<p>304 \u304a\u3088\u3073 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u305f\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u512a\u308c\u305f\u5f37\u5ea6\u3001\u5ef6\u6027\u3001\u976d\u6027\u3002<\/li>\n<li>\u9ad8\u6e29\u3067\u70ad\u5316\u7269\u304c\u6790\u51fa\u3057\u3084\u3059\u304f\u3001\u6a5f\u68b0\u7684\u7279\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u70ad\u5316\u7269\u306e\u6790\u51fa\u3092\u9632\u304e\u3001\u8010\u30af\u30ea\u30fc\u30d7\u6027\u3092\u9ad8\u3081\u308b\u30c1\u30bf\u30f3\u3092\u914d\u5408\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>900\u00b0C\u307e\u3067\u5f37\u5ea6\u3068\u976d\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u9ad8\u6e29\u5f37\u5ea6\u3068\u8010\u4e45\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u9ad8\u6e29\u3067\u4e00\u5b9a\u306e\u6a5f\u68b0\u7684\u30b9\u30c8\u30ec\u30b9\u304c\u304b\u304b\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"evaluating-304-and-321-stainless-steel-for-budget-conscious-projects\">\u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e 304 \u304a\u3088\u3073 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8a55\u4fa1<\/h2>\n<p>\u4e88\u7b97\u91cd\u8996\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30b3\u30b9\u30c8\u3068\u6027\u80fd\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u521d\u671f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u3002<\/li>\n<li>\u4f4e\u6e29\u304a\u3088\u3073\u305d\u308c\u307b\u3069\u904e\u9177\u306a\u6761\u4ef6\u3067\u306f\u306a\u3044\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u6e29\u74b0\u5883\u3067\u306f\u3001\u3088\u308a\u983b\u7e41\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u4ea4\u63db\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u30c1\u30bf\u30f3\u6dfb\u52a0\u306b\u3088\u308a\u521d\u671f\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u6e29\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u9577\u671f\u7684\u306a\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li>\u5b89\u5b9a\u6027\u3068\u8010\u4e45\u6027\u306e\u5411\u4e0a\u306b\u3088\u308a\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u4ea4\u63db\u306e\u5fc5\u8981\u6027\u304c\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u9ad8\u6e29\u7528\u9014\u306e\u5834\u5408\u3001\u521d\u671f\u30b3\u30b9\u30c8\u306f\u9ad8\u3044\u3082\u306e\u306e\u3001321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u9577\u671f\u7684\u306b\u306f\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"weldability-which-stainless-steel-is-better-for-welding-applications\">\u6eb6\u63a5\u6027: \u6eb6\u63a5\u7528\u9014\u306b\u9069\u3057\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3069\u308c\u3067\u3059\u304b?<\/h2>\n<p>\u6eb6\u63a5\u6027\u306f\u9ad8\u6e29\u7528\u9014\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002304 \u3068 321 \u306e\u6bd4\u8f03\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u4e00\u822c\u7684\u306a\u6280\u8853\u3092\u4f7f\u7528\u3057\u305f\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3002<\/li>\n<li>\u6eb6\u63a5\u4e2d\u306b\u654f\u611f\u306b\u306a\u308a\u3084\u3059\u304f\u3001\u7c92\u754c\u8150\u98df\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u6eb6\u63a5\u6642\u306e\u904e\u654f\u5316\u3092\u9632\u3050\u30c1\u30bf\u30f3\u3092\u914d\u5408\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u71b1\u5f71\u97ff\u90e8\u306b\u304a\u3051\u308b\u5b89\u5b9a\u6027\u3068\u8010\u8150\u98df\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u7279\u306b\u9ad8\u6e29\u3067\u306e\u6eb6\u63a5\u7528\u9014\u3067\u306f\u3001321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u92ed\u654f\u5316\u3068\u7c92\u754c\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u3042\u308b\u305f\u3081\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"machining-which-stainless-steel-is-better-for-welding-applications\">\u6a5f\u68b0\u52a0\u5de5\uff1a\u6eb6\u63a5\u7528\u9014\u306b\u9069\u3057\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3069\u308c\u3067\u3059\u304b?<\/h2>\n<p>\u9ad8\u6e29\u7528\u9014\u3067\u306e\u6a5f\u68b0\u52a0\u5de5\u306b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001304 \u3068 321 \u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u660e\u78ba\u306a\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u6a5f\u68b0\u52a0\u5de5\u3082\u5bb9\u6613\u3067\u3059\u3002<\/li>\n<li>\u9ad8\u6e29\u3067\u70ad\u5316\u7269\u304c\u6790\u51fa\u3057\u3084\u3059\u3044\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u30c1\u30bf\u30f3\u3092\u914d\u5408\u3057\u70ad\u5316\u7269\u306e\u6790\u51fa\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n<li>\u52a0\u5de5\u5f8c\u3082\u6a5f\u68b0\u7684\u7279\u6027\u3068\u8010\u8150\u98df\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u5b89\u5b9a\u6027\u3068\u70ad\u5316\u7269\u6790\u51fa\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9ad8\u6e29\u52a0\u5de5\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"304-vs-321-stainless-steel-in-prolonged-high-temperature-use\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9577\u671f\u9ad8\u6e29\u4f7f\u7528\u306e\u6bd4\u8f03<\/h2>\n<p>\u9ad8\u6e29\u3067\u9577\u6642\u9593\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u6642\u9593\u304c\u7d4c\u3063\u3066\u3082\u7279\u6027\u3092\u7dad\u6301\u3067\u304d\u308b\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002304 \u3068 321 \u3092\u6bd4\u8f03\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u6700\u9ad8500\u2103\u306e\u6e29\u5ea6\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>800\u00b0F \u3092\u8d85\u3048\u308b\u3068\u70ad\u5316\u7269\u304c\u6790\u51fa\u3057\u3084\u3059\u304f\u306a\u308a\u3001\u8010\u98df\u6027\u3068\u6a5f\u68b0\u7684\u7279\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>\u30c1\u30bf\u30f3\u306e\u6dfb\u52a0\u306b\u3088\u308a\u3001900\u00b0C \u307e\u3067\u5b8c\u5168\u6027\u3068\u8010\u8150\u98df\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li>\u30af\u30ea\u30fc\u30d7\u5f37\u5ea6\u3068\u5fdc\u529b\u7834\u65ad\u5f37\u5ea6\u304c\u5411\u4e0a\u3057\u3001\u9577\u6642\u9593\u306e\u9ad8\u6e29\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u9ad8\u6e29\u3067\u306e\u9577\u671f\u4f7f\u7528\u306b\u306f\u3001\u9ad8\u6e29\u3067\u306e\u5b89\u5b9a\u6027\u3068\u8010\u4e45\u6027\u306b\u512a\u308c\u305f 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"what-is-the-difference-between-304-and-321-stainless-steel\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u9069\u5207\u306a\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h3>304\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>18%\u30af\u30ed\u30e0\u30688%\u30cb\u30c3\u30b1\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u512a\u308c\u305f\u8010\u8150\u98df\u6027\u3068\u6a5f\u68b0\u7684\u7279\u6027\u3002<\/li>\n<li>\u9ad8\u6e29\u3067\u70ad\u5316\u7269\u304c\u6790\u51fa\u3057\u3084\u3059\u3044\u3002<\/li>\n<\/ul>\n<h3>321\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/h3>\n<ul>\n<li>304 \u3068\u540c\u69d8\u306e\u69cb\u6210\u3067\u3059\u304c\u3001\u30c1\u30bf\u30f3\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u70ad\u5316\u30af\u30ed\u30e0\u306e\u751f\u6210\u3092\u9632\u304e\u3001\u9ad8\u6e29\u7279\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<li>\u5b89\u5b9a\u6027\u3068\u8010\u8150\u98df\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u9ad8\u6e29\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 321 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u3001\u7279\u306b\u52d5\u4f5c\u6e29\u5ea6\u3068\u6a5f\u68b0\u7684\u8981\u6c42\u306b\u5fdc\u3058\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p>\u9ad8\u6e29\u7528\u9014\u3067\u306f\u3001\u4e00\u822c\u7684\u306b 321 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