{"id":3511,"date":"2026-04-01T02:49:40","date_gmt":"2026-04-01T01:49:40","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3511"},"modified":"2026-04-01T02:49:40","modified_gmt":"2026-04-01T01:49:40","slug":"how-to-choose-incoloy-800h-for-sour-gas-service","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/how-to-choose-incoloy-800h-for-sour-gas-service\/","title":{"rendered":"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9"},"content":{"rendered":"

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\n

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\u9078\u629e\u554f\u984c<\/th>\n\u306a\u305c\u91cd\u8981\u306a\u306e\u304b<\/th>\n800H\u306e\u610f\u5473<\/th>\n\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30fb\u30a2\u30af\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n
\u901a\u5e38\u6642\u304a\u3088\u3073\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6642\u306b\u3001\u6c34\u9732\u70b9\u4ee5\u4e0a\u306e\u4e7e\u71e5\u72b6\u614b\u3092\u7dad\u6301\u3067\u304d\u308b\u304b\uff1f<\/td>\n\u6e7f\u3063\u305fH2S\u304c\u652f\u914d\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3092\u5909\u3048\u308b\u3002.<\/td>\n\u672c\u5f53\u306b\u4e7e\u3044\u3066\u3044\u308c\u3070800H\u306b\u5f37\u3044\u967d\u6027\u3092\u793a\u3059\u3002.<\/td>\n\u30d7\u30ed\u30bb\u30b9\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u30b1\u30fc\u30b9\u3001\u30b3\u30fc\u30eb\u30c9\u30b9\u30dd\u30c3\u30c8\u30ec\u30d3\u30e5\u30fc\u3067\u691c\u8a3c\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u30af\u30ea\u30fc\u30d7\u5f37\u5ea6\u304c\u8a2d\u8a08\u57fa\u6e96\u306b\u542b\u307e\u308c\u308b\u307b\u3069\u3001\u91d1\u5c5e\u6e29\u5ea6\u306f\u9ad8\u3044\u306e\u304b\uff1f<\/td>\n800H\u306f\u3001\u8010\u98df\u6027\u3060\u3051\u3067\u306a\u304f\u9ad8\u6e29\u5f37\u5ea6\u3082\u8003\u616e\u3057\u3066\u9078\u3070\u308c\u3066\u3044\u308b\u3002.<\/td>\n316\u2103\u4ee5\u4e0a\u306e\u9577\u671f\u5f37\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u30d7\u30e9\u30b9\u3002.<\/td>\n\u8a31\u5bb9\u5fdc\u529b\u3001\u30af\u30ea\u30fc\u30d7\u5bff\u547d\u3001\u898f\u683c\u8a2d\u8a08\u30de\u30fc\u30b8\u30f3\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u51dd\u7e2e\u6c34\u3001\u30ad\u30e3\u30ea\u30fc\u30aa\u30fc\u30d0\u30fc\u3001\u5806\u7a4d\u7269\u306b\u5869\u5316\u7269\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304b\uff1f<\/td>\n\u5869\u5316\u7269\u306f\u5c40\u6240\u7684\u306a\u767a\u4f5c\u30ea\u30b9\u30af\u3092\u6025\u6fc0\u306b\u9ad8\u3081\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/td>\n\u6e7f\u3063\u305f\u5869\u5316\u7269\u6c5a\u67d3\u304c\u4fe1\u983c\u3067\u304d\u308b\u5834\u5408\u306f\u9670\u6027\u3002.<\/td>\n\u4e0a\u6d41\u306e\u6c5a\u67d3\u3001\u65ad\u71b1\u6750\u306e\u6f0f\u308c\u3001\u6d17\u6d44\u6c34\u3001\u5806\u7a4d\u7269\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u30b5\u30ef\u30fc\u6db2\u307e\u305f\u306f\u30b5\u30ef\u30fc\u30b3\u30f3\u30c7\u30f3\u30bb\u30fc\u30c8\u306e\u9023\u7d9a\u4f9b\u7d66\u3067\u3059\u304b\uff1f<\/td>\nH2S\u6c34\u6eb6\u6db2\u306f\u3001\u3057\u3070\u3057\u3070\u7570\u306a\u308b\u5408\u91d1\u30d5\u30a1\u30df\u30ea\u30fc\u3092\u597d\u3080\u3002.<\/td>\n\u901a\u5e38\u3001800H\u306f\u6ce8\u610f\u307e\u305f\u306f\u5374\u4e0b\u3002.<\/td>\n825\u3001625\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u9069\u683c\u306a\u6750\u6599\u3068\u6bd4\u8f03\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u6eb6\u63a5\u90e8\u306e\u62d8\u675f\u529b\u304c\u5f37\u3044\u304b\u3001\u71b1\u51e6\u7406\u304c\u96e3\u3057\u3044\u304b\u3002<\/td>\n\u6eb6\u63a5\u91d1\u5c5e\u3068HAZ\u306e\u6319\u52d5\u306f\u3001\u3057\u3070\u3057\u3070\u73fe\u5834\u3067\u306e\u6027\u80fd\u3092\u5de6\u53f3\u3059\u308b\u3002.<\/td>\n\u624b\u9806\u304c\u53b3\u3057\u304f\u7ba1\u7406\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u4e2d\u7acb\u304b\u3089\u5426\u5b9a\u7684\u3002.<\/td>\nWPS\/PQR\u3092\u614e\u91cd\u306b\u8a8d\u5b9a\u3057\u3001\u30d5\u30a3\u30e9\u30fc\u3001\u5165\u71b1\u3001\u786c\u5ea6\u3092\u7ba1\u7406\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u786b\u9ec4\u3092\u542b\u3080\u9ad8\u6e29\u30ac\u30b9\u304c\u4e3b\u306a\u554f\u984c\u306a\u306e\u304b\uff1f<\/td>\n\u8010\u786b\u5316\u6027\u306f\u30a6\u30a7\u30c3\u30c8\u30fb\u30af\u30e9\u30c3\u30ad\u30f3\u30b0\u3088\u308a\u3082\u91cd\u8981\u3067\u3042\u308b\u3002.<\/td>\n800H\u304c\u6280\u8853\u7684\u306b\u9b45\u529b\u7684\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u306f\u3053\u306e\u70b9\u3060\u3002.<\/td>\n\u786b\u9ec4\u306e\u7a2e\u985e\u3001\u901f\u5ea6\u3001\u5806\u7a4d\u7269\u306e\u5f62\u6210\u3001\u91d1\u5c5e\u306e\u6e29\u5ea6\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9\u3067\u5931\u6557\u3057\u304c\u3061\u306a\u70b9<\/h2>\n

\u306b\u304a\u3051\u308b\u6700\u5927\u306e\u904e\u3061\u3067\u3042\u308b\u3002 \u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9<\/strong> \u306f\u3001\u305d\u306e\u5408\u91d1\u3092\u8150\u98df\u306e\u307f\u306e\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u6271\u3063\u3066\u3044\u308b\u3002\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f \u9ad8\u6e29\u5de5\u5b66\u5408\u91d1<\/strong>. .\u9ad8\u6e29\u3067\u306e\u5f37\u5ea6\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u7528\u9014\u306e\u5834\u5408\u3001800H\u306f\u6700\u3082\u52b9\u7387\u7684\u3067\u4fe1\u983c\u3067\u304d\u308b\u7b54\u3048\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3002.<\/p>\n

\u7b2c\u4e8c\u306e\u904e\u3061\u306f\u3001\u52a0\u5de5\u3092\u7121\u8996\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u6bcd\u6750\u306e\u7279\u6027\u306f\u3001\u52a0\u5de5\u3055\u308c\u305f\u6a5f\u5668\u306e\u6027\u80fd\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\u3001\u5165\u71b1\u3001\u7d50\u6676\u7c92\u306e\u7c97\u5927 \u5316\u3001\u6b8b\u7559\u5fdc\u529b\u3001\u8868\u9762\u6c5a\u67d3\u306e\u3059\u3079\u3066\u304c\u91cd\u8981\u3067\u3042 \u308b\u3002\u5b9f\u969b\u3001\u512a\u308c\u305f\u5408\u91d1\u306e\u9078\u629e\u306f\u3001\u512a\u308c\u305f\u6eb6\u63a5\u624b \u9806\u306e\u8a8d\u5b9a\u3068\u5207\u308a\u96e2\u305b\u306a\u3044\u3002\u91cd\u8981\u306a\u30b5\u30ef\u30fc\u30fb\u30ac\u30b9\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u5834\u5408\u3001\u8a2d\u8a08\u30c1\u30fc \u30e0\u306f\u786c\u5ea6\u7ba1\u7406\u3001\u6700\u7d42\u8868\u9762\u72b6\u614b\u3001\u9178\u6d17\u307e\u305f\u306f\u6d17\u6d44\u65b9\u6cd5\u3001\u7570\u7a2e\u91d1\u5c5e \u6eb6\u63a5\u304c\u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u3084\u5dee\u52d5\u81a8\u5f35\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u304b\u3069\u3046 \u304b\u306b\u3064\u3044\u3066\u3082\u691c\u8a0e\u3059\u308b\u3053\u3068\u3092\u671b\u3080\u3002.<\/p>\n

3\u3064\u76ee\u306e\u904e\u3061\u306f\u3001\u7ba1\u7406\u57fa\u6e96\u3092\u65e9\u671f\u306b\u5b9a\u7fa9\u3057\u306a\u3044\u3053\u3068\u3067\u3042\u308b\u3002\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304cNACE MR0175 \/ ISO 15156\u307e\u305f\u306f\u6240\u6709\u8005\u56fa\u6709\u306e\u5236\u9650\u306b\u7e1b\u3089\u308c\u305f\u9178\u6b20\u30b5\u30fc\u30d3\u30b9\u8981\u4ef6\u306b\u8a72\u5f53\u3059\u308b\u5834\u5408\u306f\u3001\u8abf\u9054\u524d\u306b\u305d\u306e\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u7d4c\u8def\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304c\u627f\u8a8d\u3055\u308c\u308b\u307e\u3067\u3001\u9078\u629e\u3057\u305f\u88fd\u54c1\u5f62\u72b6\u3001\u6eb6\u63a5\u624b\u9806\u3001\u307e\u305f\u306f\u786c\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\u306b\u9069\u5408\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5c0b\u306d\u3066\u3044\u3066\u306f\u306a\u3089\u306a\u3044\u3002.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9\"<\/p>\n

\u73fe\u5b9f\u7684\u306a\u8a00\u3044\u65b9\u3092\u3059\u308c\u3070, \u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9<\/strong> \u305d\u308c\u306f\u3001\u4e3b\u306b\u9ad8\u6e29\u3067\u3001\u5f37\u5ea6\u304c\u8981\u6c42\u3055\u308c\u3001\u771f\u306b\u4e7e\u71e5\u3057\u305f\u3001\u3042\u308b\u3044\u306f\u4e7e\u71e5\u306b\u8fd1\u3044\u72b6\u614b\u3067\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u306b\u5408\u91d1\u3092\u9078\u629e\u3057\u3001\u7d50\u9732\u3001\u6e7f\u3063\u305fH2S\u3001\u5869\u5316\u7269\u3092\u542b\u3080\u6c34\u76f8\u304c\u4fe1\u983c\u3067\u304d\u308b\u5834\u5408\u306b\u306f\u8e8a\u8e87\u3057\u3001\u6eb6\u63a5\u3084\u898f\u683c\u3078\u306e\u6e96\u62e0\u3092\u7121\u8996\u3057\u305f\u8fd1\u9053\u3092\u62d2\u5426\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u304c\u3001\u5408\u91d1\u3092\u8cb7\u3046\u3053\u3068\u3068\u4fe1\u983c\u6027\u3092\u8cb7\u3046\u3053\u3068\u306e\u9055\u3044\u3067\u3059\u3002.<\/p>\n

\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5be9\u67fb\u3059\u308b\u5834\u5408\u3001\u5f01\u8b77\u306e \u4f59\u5730\u306e\u3042\u308b\u6c7a\u5b9a\u3092\u4e0b\u3059\u305f\u3081\u306e\u6700\u77ed\u306e\u65b9\u6cd5\u306f\u3001\u5c11 \u6570\u306e\u5b9f\u969b\u306e\u30d7\u30ed\u30bb\u30b9\u30fb\u30c7\u30fc\u30bf\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3067\u3042\u308b\uff1aH2S\u3068CO2\u306e\u5206\u5727\u3001\u5869\u5316\u7269\u30ec\u30d9\u30eb\u3001\u542b\u6c34\u91cf\u3001\u9732\u70b9\u3001\u8a2d\u8a08\u6e29\u5ea6\u3068\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u5727\u529b\u3001\u4e88\u60f3\u3055\u308c\u308b\u6790\u51fa\u7269\u3001\u610f\u56f3\u3059\u308b\u6eb6\u63a5\u30eb\u30fc\u30c8\u306a\u3069\u3067\u3059\u300228Nickel\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8b70\u8ad6\u3053\u305d\u304c\u3001\u6750\u6599\u306e\u898b\u7a4d\u3082\u308a\u3092\u5b9f\u884c\u53ef\u80fd\u306a\u6280\u8853\u7684\u63a8\u5968\u306b\u5909\u3048\u308b\u306e\u3067\u3059\u3002.<\/p>\n

\u95a2\u9023Q&A<\/h2>\n

1.\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306f\u6e7f\u6f64\u30b5\u30ef\u30fc\u30ac\u30b9\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n

\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u9078\u629e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306f\u3001\u6e7f\u6f64\u76f8\u306e\u5316\u5b66\u7684\u6027\u8cea\u3001 \u5869\u5316\u7269\u3001\u5fdc\u529b\u30ec\u30d9\u30eb\u3001\u9069\u7528\u3055\u308c\u308b\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3 \u30b9\u306e\u8981\u4ef6\u3092\u5165\u5ff5\u306b\u30c1\u30a7\u30c3\u30af\u3057\u305f\u5f8c\u306b\u306e\u307f\u691c\u8a0e\u3059\u308b \u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9023\u7d9a\u7684\u306a\u6e7f\u6f64H2S\u74b0\u5883\u3067\u306f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3057\u3070\u3057\u3070\u6c34\u6027\u30b5\u30ef\u30fc\u66b4\u9732\u3067\u3088\u308a\u5f37\u529b\u306a\u5b9f\u7e3e\u3092\u6301\u3064\u5408\u91d1\u3068\u6bd4\u8f03\u691c\u8a0e\u3057\u307e\u3059\u3002.<\/p>\n

2.\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u4e3b\u306a\u5229\u70b9\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n

\u305d\u306e\u4e3b\u306a\u5229\u70b9\u306f \u9ad8\u6e29\u5f37\u5ea6\u3068\u512a\u308c\u305f\u8010\u9178\u5316\u6027\u3001\u8010\u6d78\u70ad\u6027\u3001\u8010\u786b\u5316\u6027\u3092\u4f75\u305b\u6301\u3064\u3002<\/strong>. .\u305d\u306e\u305f\u3081\u3001\u30ac\u30b9\u304c\u4e7e\u71e5\u3057\u305f\u307e\u307e\u3067\u30af\u30ea\u30fc\u30d7\u6027\u80fd\u304c\u91cd\u8981\u306a\u30db\u30c3\u30c8\u30b5\u30ef\u30fc\u30ac\u30b9\u88c5\u7f6e\u3067\u6700\u3082\u9b45\u529b\u7684\u306a\u3082\u306e\u3068\u306a\u308b\u3002.<\/p>\n

3.\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u306b\u30a4\u30f3\u30b3\u30ed\u30a4800H\u3092\u9078\u3076\u524d\u306b\u3001 \u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n

\u6700\u4f4e\u9650\uff1aH2S\u5206\u5727\u3001CO2\u30ec\u30d9\u30eb\u3001\u6c34\u9732\u70b9\u3001\u51dd\u7e2e\u76f8\u4e2d\u306e\u5869\u5316\u7269\u6fc3\u5ea6\u3001\u904b\u8ee2\u304a\u3088\u3073\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u91d1\u5c5e\u6e29\u5ea6\u3001\u5727\u529b\u3001\u786b\u9ec4\u7a2e\u3001\u4ed8\u7740\u7269\u3001\u6eb6\u63a5\u306e\u8a73\u7d30\u3002\u3053\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u306a\u3044\u5834\u5408, \u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30ed\u30a4800H\u306e\u9078\u3073\u65b9<\/strong> \u306b\u306f\u78ba\u5b9f\u306b\u7b54\u3048\u3089\u308c\u306a\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When engineers ask how to choose Incoloy 800H for sour gas service, the real question is rarely just \u201cWill it corrode?\u201d In sour environments, the better question is whether the alloy can survive the combined effect of H2S, CO2, chlorides, condensate formation, thermal cycling, welding residual stress, and the actual failure mode that matters most in the unit. Incoloy 800H is a strong alloy, but it is not a universal answer. It becomes the right choice only when high-temperature strength and oxidation or sulfidation resistance are needed, and when the sour environment is understood in enough detail to avoid wet H2S cracking risks that are better handled by other alloys. 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