{"id":3688,"date":"2026-04-16T04:34:22","date_gmt":"2026-04-16T03:34:22","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3688"},"modified":"2026-04-16T04:34:30","modified_gmt":"2026-04-16T03:34:30","slug":"inconel-718-corrosion-resistance-in-sulfuric-acid","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/inconel-718-corrosion-resistance-in-sulfuric-acid\/","title":{"rendered":"\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027?"},"content":{"rendered":"

\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089 \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong>, \u3057\u304b\u3057\u3001\u79c1\u306e\u6700\u521d\u306e\u53cd\u5fdc\u306f\u3044\u3064\u3082\u540c\u3058\u3067\u3059\u3002718\u5408\u91d1\u306f\u975e\u5e38\u306b\u6709\u80fd\u306a\u30cb\u30c3\u30b1\u30eb\u30af\u30ed\u30e0\u5408\u91d1\u3067\u3059\u304c\u3001\u786b\u9178\u306f\u300c\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\uff1d\u5b89\u5168\u300d\u3068\u3044\u3046\u5b89\u6613\u306a\u8003\u3048\u65b9\u304c\u30c8\u30e9\u30d6\u30eb\u3092\u62db\u304f\u74b0\u5883\u306e\u4e00\u3064\u3067\u3059\u3002Special Metals\u793e\u3067\u306f\u3001718\u5408\u91d1\u3092\u7d0450\uff5e55%\u306e\u30cb\u30c3\u30b1\u30eb\u300117\uff5e21%\u306e\u30af\u30ed\u30e0\u30012.8\uff5e3.3%\u306e\u30e2\u30ea\u30d6\u30c7\u30f3\u3092\u542b\u3080\u6790\u51fa\u786c\u5316\u578bNi-Cr\u5408\u91d1\u3068\u3057\u3001\u591a\u304f\u306e\u5a92\u4f53\u3067\u512a\u308c\u305f\u8010\u98df\u6027\u3092\u6301\u3064\u3068\u8aac\u660e\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u5927\u307e\u304b\u306a\u8a18\u8ff0\u306f\u4e8b\u5b9f\u3067\u3059\u304c\u3001718\u304c\u786b\u9178\u5c02\u7528\u5408\u91d1\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u672c\u5f53\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7b54\u3048\u306f\u3053\u3046\u3060\u3002 \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u3059\u306a\u308f\u3061\u3001\u786b\u9178\u6fc3\u5ea6\u3001\u6e29\u5ea6\u3001\u9178\u5316\u6027\u6c5a\u67d3\u7269\u8cea\u304b\u9084\u5143\u6027\u6c5a\u67d3\u7269\u8cea\u304b\u3001\u8010\u98df\u6027\u304b\u6a5f\u68b0\u7684\u5f37\u5ea6\u304b\u3001\u3068\u3044\u30464\u3064\u306e\u5909\u6570\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3059\u308b\u3002\u30d8\u30a4\u30f3\u30ba\u6c0f\u306f\u3001\u786b\u9178\u306e\u6319\u52d5\u306f\u6fc3\u5ea6\u3068\u6e29\u5ea6\u306b\u5f37\u304f\u4f9d\u5b58\u3059\u308b\u3053\u3068\u3001\u7d14\u7c8b\u306a\u786b\u9178\u3067\u306f\u30e2\u30ea\u30d6\u30c7\u30f3\u304c\u975e\u5e38\u306b\u6709\u5229\u3067\u3042\u308b\u3053\u3068\u3001\u9285\u3082\u6709\u5229\u3067\u3042\u308b\u3053\u3068\u3001\u5de5\u5834\u306e\u5316\u5b66\u7269\u8cea\u304c\u5b9f\u9a13\u5ba4\u306e\u30af\u30ea\u30fc\u30f3\u306a\u9178\u306e\u3088\u3046\u306b\u6319\u52d5\u3059\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u306a\u3044\u305f\u3081\u3001\u5b9f\u5730\u8a66\u9a13\u304c\u63a8\u5968\u3055\u308c\u308b\u3053\u3068\u3092\u6307\u6458\u3057\u3066\u3044\u308b\u3002.<\/p>\n

\u6700\u5f8c\u306e\u70b9\u304c\u91cd\u8981\u3060\u3002\u5b9f\u969b\u306e\u30d7\u30e9\u30f3\u30c8\u3067\u306f\u3001\u786b\u9178\u304c\u4e0a\u6d41\u5de5\u7a0b\u304b\u3089\u9244\u30a4\u30aa\u30f3\u3001\u5869\u5316\u7269\u3001\u786b\u9178\u5869\u3001\u30d7\u30ed\u30bb\u30b9\u6709\u6a5f\u7269\u3001\u307e\u305f\u306f\u9178\u5316\u7a2e\u3092\u904b\u3093\u3067\u304f\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3072\u3068\u305f\u3073\u305d\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u3053\u308c\u3070\u3001\u4e0d\u52d5\u614b\u76ae\u819c\u306e\u5b89\u5b9a\u6027\u3068\u5747\u4e00\u306a\u8150\u98df\u901f\u5ea6\u306f\u6025\u901f\u306b\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3067\u3059\u304b\u3089\u3001\u3082\u3057\u3042\u306a\u305f\u306e\u7591\u554f\u304c \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u304c \u201c\u826f\u3044 \u201d\u304b\u3069\u3046\u304b\u3001\u7b54\u3048\u306f\u30a4\u30a8\u30b9\u3067\u3082\u30ce\u30fc\u3067\u3082\u306a\u3044\u3002\u3069\u306e\u3088\u3046\u306a\u5316\u5b66\u7684\u6027\u8cea\u3001\u3069\u306e\u3088\u3046\u306a\u6e29\u5ea6\u3001\u3069\u306e\u3088\u3046\u306a\u6545\u969c\u30e2\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u5341\u5206\u306a\u6027\u80fd\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3060\u3002<\/p>\n

\"\u30a4\u30f3\u30b3\u30cd\u30eb<\/p>\n

\u786b\u9178\u4e2d\u306e\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u8010\u98df\u6027\u306f\u3001\u5b9f\u969b\u306b\u306f\u4f55\u306b\u4f9d\u5b58\u3059\u308b\u304b<\/h2>\n

\u51b6\u91d1\u5b66\u7684\u898b\u5730\u304b\u3089\u3001718\u306f\u9ad8\u5f37\u5ea6\u3001\u6eb6\u63a5\u6027\u3001\u4e00\u822c\u8010\u98df\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3002718\u306e\u8010\u98df\u6027\u306f\u4e3b\u306b\u30cb\u30c3\u30b1\u30eb\u3068\u30af\u30ed\u30e0\u306b\u3088\u308b\u3082\u306e\u3067\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u542b\u6709\u91cf\u306f\u63a7\u3048\u3081\u3067\u3042\u308b\u3002Special Metals\u793e\u306b\u3088\u308c\u3070\u3001\u30cb\u30c3\u30b1\u30eb\u306f\u591a\u304f\u306e\u7121\u6a5f\u304a\u3088\u3073\u6709\u6a5f\u5a92\u4f53\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u3001\u30af\u30ed\u30e0\u306f\u9178\u5316\u5a92\u4f53\u3084\u786b\u9ec4\u5316\u5408\u7269\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u8010\u5b54\u98df\u6027\u3092\u305d\u308c\u305e\u308c\u652f\u3048\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u5065\u5168\u306a\u57fa\u790e\u3067\u3042\u308b\u304c\u3001\u610f\u56f3\u7684\u306b\u786b\u9178\u7528\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u5408\u91d1\u3068\u306f\u3084\u306f\u308a\u7570\u306a\u308b\u3002.<\/p>\n

\u3053\u306e\u305f\u3081\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u8150\u98df\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30b5\u30a4\u30f3\u30aa\u30d5\u3059\u308b\u524d\u306b718\u3068\u786b\u9178\u306e\u5c02\u9580\u5bb6\u3092\u6bd4\u8f03\u3059\u308b\u306e\u304c\u666e\u901a\u3067\u3042\u308b\u3002\u540c\u3058\u7279\u6b8a\u91d1\u5c5e\u306e\u53c2\u8003\u6587\u732e\u306e\u4e2d\u3067, \u30a4\u30f3\u30b3\u30ed\u30a4825<\/a> \u306f\u786b\u9178\u304a\u3088\u3073\u30ea\u30f3\u9178\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u8010\u6027\u3092\u6709\u3059\u308b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u3002\u30a4\u30f3\u30b3\u30cd\u30ebG-3\u306f\u786b\u9178\u306e\u53d6\u308a\u6271\u3044\u306b\u660e\u793a\u7684\u306b\u4f7f\u7528\u3055\u308c\u3001C-276\u306f\u9084\u5143\u6027\u304a\u3088\u3073\u5f31\u9178\u5316\u6027\u306e\u74b0\u5883\u306b\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3001686\u306f\u9178\u5316\u6027\u3001\u9084\u5143\u6027\u304a\u3088\u3073\u6df7\u5408\u9178\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u8010\u6027\u3092\u6709\u3059\u308b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u8a18\u8ff0\u306f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4e0a\u306e\u96d1\u5b66\u3067\u306f\u306a\u3044\u3002\u3053\u308c\u3089\u306f\u5408\u91d1\u306e\u8a2d\u8a08\u610f\u56f3\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u3002\u5bfe\u7167\u7684\u306b\u3001718\u306f\u4e3b\u306b\u8010\u98df\u6027\u3092\u5099\u3048\u305f\u9ad8\u5f37\u5ea6\u6642\u52b9\u786c\u5316\u6027\u5408\u91d1\u3068\u3057\u3066\u7d39\u4ecb\u3055\u308c\u3066\u304a\u308a\u3001\u7b2c\u4e00\u7dda\u306e\u786b\u9178\u6750\u6599\u3068\u3057\u3066\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

Special Metals\u306e\u6c34\u7cfb\u8150\u98df\u30cf\u30f3\u30c9\u30d6\u30c3\u30af\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u786b\u9178\u306e\u30e9\u30f3\u30af\u4ed8\u3051\u30c7\u30fc\u30bf\u306f\u3001\u3053\u306e\u70b9\u3092\u88dc\u5f37\u3057\u3066\u3044\u308b\u3002\u975e\u8131\u6c17\u786b\u9178\u306e\u5834\u5408\u3001\u540c\u30cf\u30f3\u30c9\u30d6\u30c3\u30af\u3067\u306f\u5e0c\u9178\u3067\u306f825\u3001686\u3001G-3\u304c\u3001\u6fc3\u786b\u9178\u3067\u306f686\u3068C-276\u304c\u5f37\u529b\u306a\u6027\u80fd\u306e\u6301\u3061\u4e3b\u3068\u3057\u3066\u30e9\u30f3\u30af\u4ed8\u3051\u3055\u308c\u3066\u3044\u308b\u3002\u3060\u304b\u3089\u3068\u3044\u3063\u3066718\u304c\u4f7f\u3048\u306a\u3044\u3068\u3044\u3046\u8a3c\u660e\u306b\u306f\u306a\u3089\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u786b\u9178\u304c\u8150\u98df\u6027\u306e\u4e3b\u8981\u306a\u5909\u6570\u3067\u3042\u308b\u5834\u5408\u3001\u696d\u754c\u306f\u901a\u5e38\u3001\u307e\u305a\u4ed6\u306e\u786b\u9178\u306b\u6ce8\u76ee\u3059\u308b\u3002 \u30cb\u30c3\u30b1\u30eb\u5408\u91d1<\/a>.<\/p>\n

\u786b\u9178\u5408\u91d1\u9078\u629e\u8868<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n
\u5408\u91d1<\/th>\n\u5b9f\u7528\u7684\u306a\u786b\u9178\u306e\u30dd\u30b8\u30b7\u30e7\u30cb\u30f3\u30b0<\/th>\n\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u9078\u3076\u7406\u7531<\/th>\n<\/tr>\n<\/thead>\n
\u30a4\u30f3\u30b3\u30cd\u30eb718<\/strong><\/td>\n\u786b\u9178\u3078\u306e\u66b4\u9732\u304c\u4e8c\u6b21\u7684\u3067\u3001\u9ad8\u5f37\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u6ce8\u610f\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3002<\/td>\n\u30d5\u30a1\u30b9\u30ca\u30fc\u3001\u30b7\u30e3\u30d5\u30c8\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u3001\u6cb9\u7530\u7528\u90e8\u54c1\u306a\u3069\u3001\u7d14\u7c8b\u306a\u8150\u98df\u6700\u9069\u5316\u3088\u308a\u3082\u5f37\u5ea6\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u308b\u9ad8\u5f37\u5ea6\u6642\u52b9\u786c\u5316\u6027\u5408\u91d1\u3002<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30ed\u30a4825<\/strong><\/td>\n\u4e2d\u9593\u786b\u9178\u30b5\u30fc\u30d3\u30b9\u306e\u5171\u901a\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/td>\nNi-Fe-Cr-Mo-Cu\u306e\u8a2d\u8a08\u306f\u3001\u7279\u306b\u8010\u786b\u9178\u6027\u306e\u305f\u3081\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30cd\u30ebG-3<\/strong><\/td>\n\u786b\u9178\u304a\u3088\u3073\u30ea\u30f3\u9178\u30b7\u30b9\u30c6\u30e0\u306e\u6709\u529b\u5019\u88dc<\/td>\nMo\u3068Cu\u304c\u591a\u304f\u3001\u786b\u9178\u306e\u53d6\u308a\u6271\u3044\u306b\u95a2\u9023\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30cd\u30eb625<\/a><\/strong><\/td>\n\u5f37\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001718\u3088\u308a\u3082\u4e00\u822c\u7684\u306a\u8150\u98df\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/td>\n\u3088\u308a\u9ad8\u3044\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u53b3\u3057\u3044\u8150\u98df\u6027\u5a92\u4f53\u3067\u306e\u9ad8\u3044\u8a55\u4fa1<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30cd\u30eb C-276<\/strong><\/td>\n\u9084\u5143\u6027\uff5e\u5f31\u9178\u5316\u6027\u306e\u9178\u74b0\u5883\u7528\u306e\u6a19\u6e96\u7684\u306a\u9078\u629e\u80a2<\/td>\n\u9ad8Mo\u5316\u5b66\u306f\u3001\u3088\u308a\u5e45\u5e83\u3044\u9178\u30b5\u30fc\u30d3\u30b9\u306e\u4fe1\u983c\u6027\u3092\u4e0e\u3048\u308b\u3002<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30cd\u30eb 686<\/strong><\/td>\n\u6df7\u5408\u9178\u3084\u5869\u5316\u7269\u306b\u6c5a\u67d3\u3055\u308c\u305f\u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u306a\u30b5\u30fc\u30d3\u30b9\u5411\u3051\u306e\u30d7\u30ec\u30df\u30a2\u30e0\u30fb\u30aa\u30d7\u30b7\u30e7\u30f3<\/td>\n\u9178\u5316\u6027\u3001\u9084\u5143\u6027\u3001\u6df7\u5408\u9178\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u8010\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u8868\u6ce8\uff1a\u4e0a\u8a18\u306e\u5408\u91d1\u306e\u4f4d\u7f6e\u3065\u3051\u306f\u3001718\u3001825\u3001G-3\u3001625\u3001C-276\u3001\u304a\u3088\u3073686\u306e\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u30ba\u3068\u30d8\u30a4\u30f3\u30ba\u306e\u5316\u5b66\u7684\u6027\u8cea\u3068\u5fdc\u7528\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u8981\u7d04\u3057\u305f\u3082\u306e\u3067\u3059\u3002. <\/em><\/p>\n

718\u304c\u307e\u3060\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u308b\u3068\u304d<\/h2>\n

\u3067\u306f\u3001\u3069\u3053\u306a\u306e\u304b\uff1f \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u306f\u672c\u5f53\u306b\u610f\u5473\u304c\u3042\u308b\u306e\u3060\u308d\u3046\u304b\uff1f\u79c1\u306e\u898b\u89e3\u3067\u306f\u3001\u90e8\u54c1\u304c\u6a5f\u68b0\u7684\u306b\u8981\u6c42\u304c\u9ad8\u304f\u3001\u9178\u3078\u306e\u66b4\u9732\u304c\u9650\u5b9a\u7684\u3001\u65ad\u7d9a\u7684\u3001\u5e0c\u91c8\u3055\u308c\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u53b3\u3057\u304f\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u3001718\u304c\u5408\u7406\u7684\u306b\u306a\u308a\u307e\u3059\u3002\u9ad8\u5f37\u5ea6\u30dc\u30eb\u30c8\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u3001\u30c0\u30a6\u30f3\u30db\u30fc\u30eb\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30d0\u30eb\u30d6\u30b9\u30c6\u30e0\u3001\u3042\u308b\u3044\u306f\u8ca0\u8377\u7d4c\u8def\u3092\u518d\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306a\u304f\u5358\u7d14\u306b\u67d4\u3089\u304b\u3044\u8150\u98df\u5408\u91d1\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u69cb\u9020\u90e8\u54c1\u3092\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u306f\u307e\u305f\u3001718\u304cNACE MR0175\/ISO 15156\u306b\u95a2\u9023\u3057\u305f\u4f7f\u7528\u6761\u4ef6\u4e0b\u3067\u6cb9\u7530\u7528\u9014\u306b\u751f\u7523\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u3082\u8a00\u53ca\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001718\u304c\u8150\u98df\u6027\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u306f\u3001\u305d\u306e\u5f37\u5ea6\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u305f\u3081\u3067\u3042\u308a\u3001\u5e02\u8ca9\u3055\u308c\u3066\u3044\u308b\u4e2d\u3067\u6700\u826f\u306e\u786b\u9178\u5408\u91d1\u3060\u304b\u3089\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u8003\u3048\u3092\u88cf\u4ed8\u3051\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n

\u9ad8\u6e29\u5faa\u74b0\u786b\u9178\u3001\u9178\u6d17\u56de\u8def\u3001\u84b8\u767a\u5668\u3001\u9178\u56de\u53ce\u30eb\u30fc\u30d7\u3001\u6ede\u7559\u9699\u9593\u5f62\u72b6\u306b\u5bfe\u3057\u3066\u306f\u3001\u79c1\u306a\u3089\u306f\u308b\u304b\u306b\u4fdd\u5b88\u7684\u3067\u3042\u308d\u3046\u3002\u6d77\u6c34\u4e2d\u3067\u3055\u3048\u3001718\u306f\u512a\u308c\u305f\u8150\u98df\u75b2\u52b4\u5f37\u5ea6\u3092\u793a\u3059\u304c\u3001Special Metals\u793e\u306f625\u3001625LCF\u3001725\u3088\u308a\u3082\u9699\u9593\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u4f4e\u3044\u3068\u6307\u6458\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u786b\u9178\u30c7\u30fc\u30bf\u3067\u306f\u306a\u3044\u304c\u3001\u5c40\u90e8\u8150\u98df\u30de\u30fc\u30b8\u30f3\u304c\u91cd\u8981\u306b\u306a\u308b\u5834\u5408\u3001718\u304c\u30cb\u30c3\u30b1\u30eb\u8150\u98df\u5408\u91d1\u306e\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u3088\u308a\u4e0b\u306b\u4f4d\u7f6e\u3059\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3055\u305b\u308b\u6709\u76ca\u306a\u30c7\u30fc\u30bf\u3067\u3042\u308b\u3002.<\/p>\n

\u7b2c\u4e8c\u306e\u6ce8\u610f\u306f\u3001\u6c5a\u67d3\u3055\u308c\u305f\u9178\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002Special Metals\u793e\u306b\u3088\u308c\u3070\u3001\u9178\u5316\u6027\u5869\u985e\u306f\u786b\u9178\u306e\u6319\u52d5\u306b\u91cd\u5927\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u5869\u5316\u7269\u3067\u6c5a\u67d3\u3055\u308c\u305f\u6c34\u4e2d\u4f7f\u7528\u3067\u306f\u3001C-276\u3001622\u3001625\u3001686\u306e\u3088\u3046\u306a\u9ad8\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u304c\u5fc5\u8981\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u306e\u3053\u3068\u3067\u3042\u308b\u3002Haynes\u6c0f\u306f\u3001\u300c\u5b9f\u4e16\u754c\u300d\u3067\u306e\u786b\u9178\u4f7f \u7528\u306f\u3001\u7d14\u9178\u5b9f\u9a13\u5ba4\u3067\u306e\u6319\u52d5\u3068\u306f\u7570\u306a\u308b\u3053\u3068\u304c\u591a \u3044\u306e\u3067\u3001\u73fe\u5834\u3067\u306e\u691c\u8a3c\u306f\u826f\u3044\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u3067\u3042\u308a\u3001\u3084\u308a\u904e\u304e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u8abf\u9054\u30c1\u30fc\u30e0\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u306f\u73fe\u5b9f\u7684\u306a\u610f\u5473\u3092\u6301\u3064\u3002\u5408\u91d1\u540d\u3060\u3051\u3092\u805e\u3044\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u9178\u306e\u6fc3\u5ea6\u7bc4\u56f2\u3001\u6700\u9ad8\u6e29\u5ea6\u3068\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u66dd\u6c17\u72b6\u614b\u3001\u9244\/\u9285\u6c5a\u67d3\u3001\u5869\u5316\u7269\u30ec\u30d9\u30eb\u3001\u6d41\u901f\u3001\u90e8\u54c1\u306b\u9699\u9593\u3084\u6c88\u6bbf\u7269\u304c\u898b\u3089\u308c\u308b\u304b\u3069\u3046\u304b\u306a\u3069\u3092\u5c0b\u306d\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u306a\u3057\u306b\u306f \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u306f\u4e0d\u5b8c\u5168\u3067\u3042\u308b\u3002.<\/p>\n

\"\u30a4\u30f3\u30b3\u30cd\u30eb<\/p>\n

\u6700\u7d42\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u53ce\u7a6b<\/h2>\n

\u79c1\u306e\u7d50\u8ad6\u306f\u7c21\u5358\u3060\u3002. \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u3057\u304b\u3057\u3001\u786b\u9178\u304c\u8150\u98df\u306e\u4e3b\u306a\u8ab2\u984c\u3067\u3042\u308b\u5834\u5408\u3001718\u5408\u91d1\u306f\u901a\u5e38\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002\u79c1\u306f718\u3092\u5f37\u5ea6\u4e3b\u5c0e\u306e\u5de5\u5b66\u7684\u59a5\u5354\u306e\u7523\u7269\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u9078\u629e\u3055\u308c\u305f\u786b\u9178\u74b0\u5883\u3067\u306f\u8a31\u5bb9\u3055\u308c\u3001\u6642\u306b\u306f\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u304c\u3001\u9ad8\u6e29\u3042\u308b\u3044\u306f\u5316\u5b66\u7684\u306b\u8907\u96d1\u306a\u9178\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u7b54\u3048\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u786b\u9178\u304c\u4efb\u52d9\u306e\u4e2d\u5fc3\u3067\u3042\u308b\u5834\u5408\u3001825\u3001G-3\u3001625\u3001C-276\u3001686\u306a\u3069\u306e\u5408\u91d1\u306f\u3001\u305d\u306e\u5316\u5b66\u7684\u6027\u8cea\u3068\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u4f4d\u7f6e\u3065\u3051\u304c\u786b\u9178\u6027\u80fd\u3068\u3088\u308a\u76f4\u63a5\u7684\u306b\u4e00\u81f4\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u3001\u6700\u521d\u306b\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308b\u3002.<\/p>\n

28Nickel\u3067\u306f\u3001\u3053\u306e\u6c7a\u5b9a\u3092\u6b63\u3057\u304f\u4e0b\u3059\u6700\u77ed\u306e\u65b9\u6cd5\u306f\u3001\u5408\u91d1\u7b49\u7d1a\u3060\u3051\u3067\u306a\u304f\u3001\u5168\u30b5\u30fc\u30d3\u30b9\u7bc4\u56f2\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b7\u30e3\u30d5\u30c8\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u3001\u30c1\u30e5\u30fc\u30d6\u3001\u5bb9\u5668\u5185\u90e8\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u306f\u3001\u786b\u9178\u6fc3\u5ea6\u3001\u52d5\u4f5c\u6e29\u5ea6\u3001\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u4e0d\u7d14\u7269\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001\u5fc5\u8981\u306a\u5f37\u5ea6\u30ec\u30d9\u30eb\u3001\u88fd\u9020\u30eb\u30fc\u30c8\u3092\u304a\u9001\u308a\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3060\u3051\u3067\u3001718\u304c\u5b88\u5099\u7bc4\u56f2\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u786b\u9178\u3092\u91cd\u8996\u3057\u305f\u5408\u91d1\u306e\u65b9\u304c\u3088\u308a\u5b89\u5168\u306a\u8150\u98df\u30de\u30fc\u30b8\u30f3\u304c\u5f97\u3089\u308c\u308b\u306e\u304b\u3092\u9078\u5225\u3059\u308b\u306e\u306b\u5341\u5206\u3067\u3059\u3002.<\/p>\n

\u95a2\u9023Q&A<\/h3>\n

1.\u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u71b1\u786b\u9178\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/strong>
\u901a\u5e38\u3001\u786b\u9178\u3092\u4e3b\u306a\u8150\u98df\u5a92\u4f53\u3068\u3059\u308b\u5834\u5408\u3001\u6700\u521d\u306e\u9078 \u629e\u80a2\u306b\u306f\u306a\u3089\u306a\u3044\u3002\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30e1\u30fc\u30ab\u30fc\u304c\u767a\u884c\u3057\u3066\u3044\u308b\u786b\u9178\u30ac\u30a4\u30c0 \u30f3\u30b9\u3067\u306f\u3001\u7279\u306b\u6e29\u5ea6\u3068\u6fc3\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u3001 825\u3001G-3\u3001C-276\u3001625\u3001686\u3092\u63a8\u5968\u3057\u3066\u3044\u308b\u5834 \u5408\u304c\u591a\u3044\u3002.<\/p>\n

2.\u306a\u305c\u786b\u9178\u3067\u306f718\u3088\u308a\u3082825\u304c\u597d\u307e\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u304b\uff1f<\/strong>
\u306a\u305c\u306a\u3089\u3001825\u306f\u786b\u9178\u7528\u9014\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001\u786b\u9178\u74b0\u5883\u3067\u6709\u5229\u306a\u30e2\u30ea\u30d6\u30c7\u30f3\u3084\u9285\u306a\u3069\u306e\u5408\u91d1\u6dfb\u52a0\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u30ba\u306f\u3001825\u306e\u786b\u9178\u7b49\u8150\u98df\u30ac\u30a4\u30c0\u30f3\u30b9\u307e\u3067\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

3.\u786b\u9178\u7528\u9014\u306b718\u3092\u9078\u629e\u3059\u308b\u524d\u306b\u3001\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong>
\u6700\u4f4e\u9650\uff1a\u9178\u6fc3\u5ea6\u3001\u5e38\u6e29\u3068\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u9178\u5316\u6027\u6c5a\u67d3\u7269\u8cea\u3001\u5869\u5316\u7269\u3001\u6d41\u52d5\u72b6\u614b\u3001\u9699\u9593\u30ea\u30b9\u30af\u3001\u8150\u98df\u8a31\u5bb9\u91cf\u3001\u6700\u5c0f\u6a5f\u68b0\u7684\u7279\u6027\u8981\u4ef6\u3002\u3053\u308c\u3089\u306e\u5909\u6570\u304c\u3001718\u304c\u52a0\u5de5\u53ef\u80fd\u306a\u59a5\u5354\u70b9\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u5168\u304f\u9593\u9055\u3063\u305f\u5408\u91d1\u306a\u306e\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When engineers ask about Inconel 718 corrosion resistance in sulfuric acid, my first reaction is usually the same: do not answer too quickly. Alloy 718 is a very capable nickel-chromium alloy, but sulfuric acid is one of those environments where a casual \u201cnickel alloy = safe\u201d mindset gets people into trouble. Special Metals lists 718 as a precipitation-hardenable Ni-Cr alloy with about 50\u201355% nickel, 17\u201321% chromium, and 2.8\u20133.3% molybdenum, and describes it as having excellent corrosion resistance in many media. That broad statement is true, but it is not the same thing as saying 718 is a dedicated sulfuric-acid alloy. The real engineering answer is that Inconel 718 corrosion resistance […]<\/p>","protected":false},"author":1,"featured_media":3690,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1776310330:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["70"],"rank_math_focus_keyword":["Inconel 718 Corrosion Resistance in Sulfuric Acid"],"rank_math_description":["Acid service failures are expensive. 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Alloy 718 is a very capable nickel-chromium alloy, but sulfuric acid is one of those environments where a casual \u201cnickel alloy = safe\u201d mindset gets people into trouble. Special Metals lists 718…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/comments?post=3688"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3688\/revisions"}],"predecessor-version":[{"id":3692,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3688\/revisions\/3692"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3690"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}