{"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\/ja\/bolg\/303-vs-440-stainless-steel\/","title":{"rendered":"303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03: \u6b20\u70b9\u3001\u5229\u70b9\u3001\u7279\u6027\u3001\u7528\u9014"},"content":{"rendered":"<h4>\u76ee\u6b21<\/h4>\n<ul>\n<li><a href=\"#disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9577\u6240\u3068\u77ed\u6240<\/a><\/li>\n<li><a href=\"#what-is-303-and-440-stainless-steel-equivalent-to\">303 \u304a\u3088\u3073 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u540c\u7b49\u306e\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/a><\/li>\n<li><a href=\"#uses-of-440-vs-303-stainless-steel\">440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/a><\/li>\n<li><a href=\"#corrosion-resistance-of-303-stainless-steel\">303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8010\u98df\u6027<\/a><\/li>\n<li><a href=\"#composition-analysis-of-303-vs-440-stainless-steel\">303 \u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7d44\u6210\u5206\u6790<\/a><\/li>\n<li><a href=\"#physical-properties-of-303-stainless-steel\">303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/a><\/li>\n<li><a href=\"#mechanical-properties-of-440-stainless-steel\">440\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/a><\/li>\n<li><a href=\"#is-304-stainless-steel-better-than-440-stainless-steel\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b?<\/a><\/li>\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ul>\n<p>\u300c303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bd4\u8f03: \u591a\u69d8\u306a\u7528\u9014\u306b\u304a\u3051\u308b\u8010\u4e45\u6027\u3001\u52a0\u5de5\u6027\u3001\u6c4e\u7528\u6027\u306e\u691c\u8a0e\u300d<\/p>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u8010\u8150\u98df\u6027\u3068\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u7d20\u6750\u3067\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9\u306f 303 \u3068 440 \u306e 2 \u3064\u3067\u3001\u305d\u308c\u305e\u308c\u306b\u56fa\u6709\u306e\u7279\u6027\u3001\u5229\u70b9\u3001\u6b20\u70b9\u304c\u3042\u308a\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089 2 \u7a2e\u985e\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u9069\u3057\u305f\u30b0\u30ec\u30fc\u30c9\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u6982\u8981\u3067\u306f\u3001303 \u304a\u3088\u3073 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7279\u6027\u3001\u5229\u70b9\u3001\u6b20\u70b9\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u5b9f\u969b\u306e\u7528\u9014\u3068\u7523\u696d\u7528\u9014\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"disadvantages-advantages-of-440-vs-303-stainless-steel\">440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9577\u6240\u3068\u77ed\u6240<\/h2>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e3b\u306b\u9244\u3001\u30af\u30ed\u30e0\u3001\u30cb\u30c3\u30b1\u30eb\u3067\u69cb\u6210\u3055\u308c\u305f\u5408\u91d1\u3067\u3001\u8010\u8150\u98df\u6027\u3068\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9\u306f 303 \u3068 440 \u306e 2 \u3064\u3067\u3001\u305d\u308c\u305e\u308c\u304c\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306e\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306b\u9069\u3057\u305f\u72ec\u81ea\u306e\u7279\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089 2 \u3064\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u3001\u7279\u5b9a\u306e\u76ee\u7684\u306b\u9069\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u9577\u6240\u3068\u77ed\u6240\u306e\u4e21\u65b9\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5229\u70b9<\/h3>\n<ul>\n<li>\u786b\u9ec4\u306e\u6dfb\u52a0\u306b\u3088\u308a\u52a0\u5de5\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u8868\u9762\u4ed5\u4e0a\u3052\u304c\u826f\u597d\u3067\u3059\u3002<\/li>\n<li>\u7279\u306b\u7d99\u624b\u3084\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u88fd\u9020\u306b\u304a\u3051\u308b\u8907\u96d1\u306a\u6a5f\u68b0\u52a0\u5de5\u4f5c\u696d\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6b20\u70b9<\/h3>\n<ul>\n<li>\u4ed6\u306e\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b0\u30ec\u30fc\u30c9\u306b\u6bd4\u3079\u3066\u8010\u98df\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<li>\u6d77\u6d0b\u74b0\u5883\u3084\u5869\u5316\u7269\u6fc3\u5ea6\u306e\u9ad8\u3044\u74b0\u5883\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<h3>440\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5229\u70b9<\/h3>\n<ul>\n<li>\u70ad\u7d20\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u3001\u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u71b1\u51e6\u7406\u306b\u3088\u308a\u786c\u5ea6\u3068\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u5207\u524a\u5de5\u5177\u3001\u30ca\u30a4\u30d5\u3001\u92ed\u3044\u5203\u5148\u306e\u4fdd\u6301\u3092\u5fc5\u8981\u3068\u3059\u308b\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>440\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6b20\u70b9<\/h3>\n<ul>\n<li>\u786c\u3044\u305f\u3081\u52a0\u5de5\u304c\u96e3\u3057\u3044\u3002<\/li>\n<li>\u5de5\u5177\u306e\u6469\u8017\u304c\u5897\u52a0\u3057\u3001\u88fd\u9020\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u7d1a\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3084\u4e8c\u76f8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u6bd4\u3079\u3001\u8010\u8150\u98df\u6027\u306f\u52a3\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"what-is-303-and-440-stainless-steel-equivalent-to\">303 \u304a\u3088\u3073 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u540c\u7b49\u306e\u3082\u306e\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p>303 \u304a\u3088\u3073 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u305d\u306e\u30e6\u30cb\u30fc\u30af\u306a\u7279\u6027\u3068\u7279\u5fb4\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u5e45\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ed6\u306e\u898f\u683c\u306b\u304a\u3051\u308b\u540c\u7b49\u306e\u898f\u683c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u3089\u306e\u4e16\u754c\u7684\u306a\u7528\u9014\u3084\u4ed6\u306e\u6750\u6599\u3068\u306e\u4e92\u63db\u6027\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h3>\u540c\u7b49\u306e\u7b49\u7d1a<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u6a19\u6e96<\/th>\n<th>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/th>\n<th>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>EN<\/td>\n<td>1.4305<\/td>\n<td>1.4125<\/td>\n<\/tr>\n<tr>\n<td>\u56fd\u9023<\/td>\n<td>S30300<\/td>\n<td>S44004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u7279\u6027\u3068\u7528\u9014<\/h3>\n<ul>\n<li>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u52a0\u5de5\u6027\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u30cd\u30b8\u3001\u30ca\u30c3\u30c8\u3001\u30dc\u30eb\u30c8\u3001\u7d99\u624b\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u304c\u9ad8\u304f\u3001\u30ab\u30c8\u30e9\u30ea\u30fc\u3001\u30d9\u30a2\u30ea\u30f3\u30b0\u3001\u5916\u79d1\u7528\u5668\u5177\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"uses-of-440-vs-303-stainless-steel\">440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/h2>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e3b\u306b\u9244\u3001\u70ad\u7d20\u3001\u30af\u30ed\u30e0\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u5408\u91d1\u3067\u3001\u8010\u8150\u98df\u6027\u3068\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7a2e\u985e\u306f\u3001\u5fae\u7d30\u69cb\u9020\u3068\u4f7f\u7528\u3055\u308c\u308b\u6210\u5206\u306e\u7279\u5b9a\u306e\u5272\u5408\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u3046\u3061\u3001303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7a2e\u985e\u306f\u5e83\u304f\u77e5\u3089\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u72ec\u81ea\u306e\u7279\u6027\u3092\u6301\u3064\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u7570\u306a\u308b\u76ee\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/h3>\n<ul>\n<li>\u7d99\u624b<\/li>\n<li>\u30cd\u30b8<\/li>\n<li>\u30ca\u30c3\u30c4<\/li>\n<li>\u30dc\u30eb\u30c8<\/li>\n<\/ul>\n<h3>440\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7528\u9014<\/h3>\n<ul>\n<li>\u30ab\u30c8\u30e9\u30ea\u30fc<\/li>\n<li>\u30d9\u30a2\u30ea\u30f3\u30b0<\/li>\n<li>\u624b\u8853\u5668\u5177<\/li>\n<li>\u6469\u8017\u3057\u3084\u3059\u3044\u90e8\u54c1<\/li>\n<\/ul>\n<h2 id=\"corrosion-resistance-of-303-stainless-steel\">303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u8010\u98df\u6027<\/h2>\n<p>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30af\u30ed\u30e0\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3067\u3001\u6a5f\u68b0\u7279\u6027\u3068\u8010\u8150\u98df\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u6a5f\u68b0\u52a0\u5de5\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3088\u3046\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u6dfb\u52a0\u306b\u3088\u308a\u3001\u7279\u306b 440 \u30b7\u30ea\u30fc\u30ba\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u8010\u8150\u98df\u6027\u304c\u82e5\u5e72\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<h3>\u8010\u98df\u6027\u7279\u6027<\/h3>\n<ul>\n<li>\u7a4f\u3084\u304b\u306a\u5927\u6c17\u6761\u4ef6\u3068\u5f31\u3044\u9178\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u826f\u597d\u3067\u3059\u3002<\/li>\n<li>\u786b\u9ec4\u542b\u6709\u91cf\u306b\u3088\u308a\u3001\u5869\u5316\u7269\u3084\u305d\u306e\u4ed6\u306e\u30cf\u30ed\u30b2\u30f3\u5316\u7269\u3092\u542b\u3080\u74b0\u5883\u3067\u306f\u52b9\u679c\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u8010\u98df\u6027\u306e\u6bd4\u8f03<\/h3>\n<p>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u6a5f\u68b0\u52a0\u5de5\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8150\u98df\u6027\u306e\u9ad8\u3044\u74b0\u5883\u3067\u306f 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u6bd4\u3079\u3066\u6027\u80fd\u304c\u52a3\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5f8c\u8005\u306f\u8010\u8150\u98df\u6027\u3068\u786c\u5ea6\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7279\u306b\u5869\u5316\u7269\u3084\u904e\u9177\u306a\u6761\u4ef6\u306b\u3055\u3089\u3055\u308c\u308b\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u308b\u3001\u3088\u308a\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"composition-analysis-of-303-vs-440-stainless-steel\">303 \u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7d44\u6210\u5206\u6790<\/h2>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e3b\u306b\u9244\u3001\u30af\u30ed\u30e0\u3001\u70ad\u7d20\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u5408\u91d1\u3067\u3001\u8010\u8150\u98df\u6027\u3068\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9\u306f 303 \u3068 440 \u306e 2 \u3064\u3067\u3001\u305d\u308c\u305e\u308c\u72ec\u81ea\u306e\u5316\u5b66\u7d44\u6210\u3092\u6301\u3061\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u7279\u6709\u306e\u7279\u6027\u3068\u9069\u5408\u6027\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n<h3>\u5316\u5b66\u7d44\u6210<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u6210\u5206<\/th>\n<th>303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/th>\n<th>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb<\/th>\n<\/tr>\n<tr>\n<td>\u30ab\u30fc\u30dc\u30f3<\/td>\n<td>0.15%\u6700\u5927<\/td>\n<td>0.60-1.20%<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0<\/td>\n<td>17-19%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb<\/td>\n<td>8-10%<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<tr>\n<td>\u786b\u9ec4<\/td>\n<td>0.15-0.35%<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u69cb\u6210\u304b\u3089\u5f97\u3089\u308c\u308b\u7279\u6027<\/h3>\n<ul>\n<li>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u6a5f\u68b0\u52a0\u5de5\u6027\u304c\u5411\u4e0a\u3057\u3001\u8010\u8150\u98df\u6027\u3082\u4e2d\u7a0b\u5ea6\u3067\u3059\u3002<\/li>\n<li>440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u786c\u5ea6\u304c\u9ad8\u304f\u3001\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3001\u8010\u8150\u98df\u6027\u3082\u4e2d\u7a0b\u5ea6\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"physical-properties-of-303-stainless-steel\">303\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7269\u7406\u7684\u7279\u6027<\/h2>\n<p>303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u3088\u308a\u5e83\u7bc4\u306a 18-8 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u5909\u7a2e\u3067\u3042\u308a\u3001\u4e3b\u306b\u786b\u9ec4\u306e\u6dfb\u52a0\u306b\u3088\u3063\u3066\u6a5f\u68b0\u52a0\u5de5\u6027\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u7279\u5fb4\u3067\u3059\u3002\u3053\u306e\u5909\u66f4\u306f\u3001\u7528\u9014\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u3001\u5408\u91d1\u306e\u7269\u7406\u7684\u7279\u6027\u306b\u6709\u5229\u306b\u3082\u5236\u9650\u306b\u3082\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/p>\n<h3>\u4e3b\u306a\u7269\u7406\u7684\u7279\u6027<\/h3>\n<ul>\n<li>\u5bc6\u5ea6: 8.03 g\/cm\u00b3<\/li>\n<li>\u878d\u70b9: 1450-1510\u00b0C<\/li>\n<li>\u71b1\u4f1d\u5c0e\u7387: 100\u00b0C\u306716.2 W\/mK<\/li>\n<li>\u71b1\u81a8\u5f35\u4fc2\u6570: 100\u00b0C\u306717.3 \u00b5m\/m\u00b0C<\/li>\n<li>\u975e\u78c1\u6027<\/li>\n<li>\u6bd4\u71b1\u5bb9\u91cf: 25\u00b0C\u3067500 J\/kg-K<\/li>\n<\/ul>\n<h2 id=\"mechanical-properties-of-440-stainless-steel\">440\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/h2>\n<p>440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u305f\u9ad8\u70ad\u7d20\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u5408\u91d1\u3067\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001440A\u3001440B\u3001440C \u306e 3 \u3064\u306e\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf\u304c\u591a\u3044 440C \u304c\u6700\u3082\u666e\u53ca\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u6a5f\u68b0\u7684\u7279\u6027<\/h3>\n<table border=\"1\">\n<tbody>\n<tr>\n<th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th>\n<th>\u4fa1\u5024<\/th>\n<\/tr>\n<tr>\n<td>\u786c\u5ea6\uff08HRC\uff09<\/td>\n<td>58-60<\/td>\n<\/tr>\n<tr>\n<td>\u964d\u4f0f\u5f37\u5ea6<\/td>\n<td>450MPa<\/td>\n<\/tr>\n<tr>\n<td>\u5f15\u5f35\u5f37\u5ea6<\/td>\n<td>760MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<ul>\n<li>\u9ad8\u5f37\u5ea6\u5207\u524a\u5de5\u5177<\/li>\n<li>\u30ca\u30a4\u30d5<\/li>\n<li>\u30d9\u30a2\u30ea\u30f3\u30b0<\/li>\n<li>\u30d0\u30eb\u30d6\u90e8\u54c1<\/li>\n<\/ul>\n<h2 id=\"is-304-stainless-steel-better-than-440-stainless-steel\">304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b?<\/h2>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001\u5316\u5b66\u7d44\u6210\u3001\u6a5f\u68b0\u7684\u7279\u6027\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u3078\u306e\u9069\u5408\u6027\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3069\u3061\u3089\u306e\u30bf\u30a4\u30d7\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u3082\u72ec\u81ea\u306e\u9577\u6240\u3068\u77ed\u6240\u304c\u3042\u308a\u3001\u7279\u5b9a\u306e\u74b0\u5883\u3084\u30bf\u30b9\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u6bd4\u8f03\u5206\u6790<\/h3>\n<ul>\n<li>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u512a\u308c\u305f\u8010\u8150\u98df\u6027\u3001\u9ad8\u3044\u52a0\u5de5\u6027\u3092\u5099\u3048\u3001\u98df\u54c1\u52a0\u5de5\u3084\u6d77\u6d0b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc: \u786c\u5ea6\u3001\u5f37\u5ea6\u3001\u8010\u6469\u8017\u6027\u304c\u9ad8\u304f\u3001\u5207\u524a\u5de5\u5177\u3084\u9ad8\u5fdc\u529b\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u4f7f\u7528\u3059\u308b\u304b\u306f\u3001\u4e3b\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u8010\u8150\u98df\u6027\u304c\u6700\u3082\u91cd\u8981\u306a\u74b0\u5883\u3067\u306f\u3001\u901a\u5e38\u3001304 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u9006\u306b\u3001\u9ad8\u3044\u5f37\u5ea6\u3068\u8010\u6469\u8017\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u901a\u5e38\u3001440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u65b9\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p><strong>\u7d50\u8ad6: 303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><\/p>\n<h3>\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n<ul>\n<li><strong>303\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u786b\u9ec4\u6dfb\u52a0\u306b\u3088\u308a\u512a\u308c\u305f\u52a0\u5de5\u6027\u3001\u826f\u597d\u306a\u8010\u9178\u5316\u6027\u3001\u6ed1\u3089\u304b\u306a\u8868\u9762\u4ed5\u4e0a\u3052\u3092\u5099\u3048\u305f\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30af\u30ed\u30e0\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3002<\/li>\n<li><strong>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u9ad8\u5f37\u5ea6\u3001\u9ad8\u786c\u5ea6\u3001\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u305f\u9ad8\u70ad\u7d20\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u3001440A\u3001440B\u3001440C \u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li><strong>303\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u512a\u308c\u305f\u52a0\u5de5\u6027\u3001\u826f\u597d\u306a\u8868\u9762\u4ed5\u4e0a\u3052\u3002<\/li>\n<li><strong>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u512a\u308c\u305f\u786c\u5ea6\u3068\u8010\u6469\u8017\u6027\u3092\u5099\u3048\u3001\u9ad8\u5fdc\u529b\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li><strong>303\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u8010\u8150\u98df\u6027\u3068\u976d\u6027\u304c\u4f4e\u4e0b\u3057\u3001\u904e\u9177\u306a\u74b0\u5883\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li><strong>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u6a5f\u68b0\u52a0\u5de5\u304c\u96e3\u3057\u304f\u3001\u4f4e\u70ad\u7d20\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u6bd4\u3079\u3066\u8010\u8150\u98df\u6027\u304c\u4f4e\u3044\u3002<\/li>\n<\/ul>\n<h3>\u7528\u9014<\/h3>\n<ul>\n<li><strong>303\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u7d99\u624b\u3001\u30cd\u30b8\u3001\u30ca\u30c3\u30c8\u3001\u30dc\u30eb\u30c8\u3002<\/li>\n<li><strong>440\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb:<\/strong> \u30ab\u30c8\u30e9\u30ea\u30fc\u3001\u30d9\u30a2\u30ea\u30f3\u30b0\u3001\u5916\u79d1\u7528\u5668\u5177\u3002<\/li>\n<\/ul>\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001303 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068 440 \u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u5fc5\u8981\u306a\u6a5f\u68b0\u7684\u7279\u6027\u3001\u8010\u8150\u98df\u6027\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\u3001\u6750\u6599\u304c\u4f7f\u7528\u3055\u308c\u308b\u74b0\u5883\u306a\u3069\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Table of Contents Disadvantages and Advantages of 440 vs 303 Stainless Steel What is 303 and 440 Stainless Steel Equivalent to? Uses of 440 vs 303 Stainless Steel Corrosion Resistance of 303 Stainless Steel Composition Analysis of 303 vs 440 Stainless Steel Physical Properties of 303 Stainless Steel Mechanical Properties of 440 Stainless Steel Is 304 Stainless Steel Better than 440 Stainless Steel? Conclusion &#8220;303 vs 440 Stainless Steel: Exploring Durability, Machinability, and Versatility for Diverse Applications&#8221; Stainless steel is a highly versatile material, prominent in various industries due to its corrosion resistance and strength. Two common grades of stainless steel are 303 and 440, each possessing unique properties, advantages, [&hellip;]<\/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\/ja\/wp-json\/wp\/v2\/posts\/3943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/comments?post=3943"}],"version-history":[{"count":3,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/posts\/3943\/revisions"}],"predecessor-version":[{"id":3947,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/posts\/3943\/revisions\/3947"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/media\/4019"}],"wp:attachment":[{"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/media?parent=3943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/categories?post=3943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/machining-quote.com\/ja\/wp-json\/wp\/v2\/tags?post=3943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}