{"id":3683,"date":"2026-04-16T04:11:18","date_gmt":"2026-04-16T03:11:18","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3683"},"modified":"2026-04-16T04:11:18","modified_gmt":"2026-04-16T03:11:18","slug":"how-to-choose-inconel-625-for-sour-gas-service","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/how-to-choose-inconel-625-for-sour-gas-service\/","title":{"rendered":"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u9078\u3073\u65b9"},"content":{"rendered":"

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\"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u9078\u3073\u65b9\"<\/p>\n

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\u30a4\u30f3\u30b3\u30cd\u30eb625\u3092\u3054\u6307\u5b9a\u3044\u305f\u3060\u304f\u524d\u306e\u4e3b\u306a\u30b5\u30fc\u30d3\u30b9\u8981\u56e0<\/h2>\n

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\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u9078\u629e\u8981\u56e0<\/th>\n\u30b5\u30ef\u30fc\u30ac\u30b9\u30fb\u30b5\u30fc\u30d3\u30b9\u3067\u91cd\u8981\u306a\u7406\u7531<\/th>\n\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u691c\u67fb\u9805\u76ee<\/th>\n<\/tr>\n<\/thead>\n
H2S\u5206\u5727<\/td>\n\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u6750\u6599\u306e\u9178\u5473\u306e\u5f37\u3055\u3068\u4e80\u88c2\u30ea\u30b9\u30af\u3092\u7ba1\u7406\u3059\u308b\u3002<\/td>\n625\u304c\u8010\u98df\u6027\u306e\u305f\u3081\u306b\u9078\u629e\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u4e0d\u5341\u5206\u306a\u8a2d\u8a08\u7ba1\u7406\u306e\u4ee3\u7528\u3068\u3057\u3066\u9078\u629e\u3055\u308c\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u7121\u6599\u6c34\u307e\u305f\u306f\u7d50\u9732<\/td>\n\u6e7f\u3063\u305f\u30b5\u30ef\u30fc\u72b6\u614b\u306f\u3001\u8150\u98df\u3068\u5c40\u6240\u7684\u306a\u653b\u6483\u3092\u4fc3\u9032\u3059\u308b\u3002<\/td>\n\u4e88\u60f3\u3055\u308c\u308b\u6c34\u8cea\u3001pH\u3001\u5869\u5316\u7269\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u50be\u5411\u306e\u898b\u76f4\u3057<\/td>\n<\/tr>\n
\u5869\u5316\u7269\u6fc3\u5ea6<\/td>\n\u5b54\u98df\u3084\u9699\u9593\u8150\u98df\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b<\/td>\n\u505c\u6ede\u5730\u5e2f\u3001\u30c7\u30c3\u30c9\u30ec\u30c3\u30b0\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u63a5\u5408\u90e8\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u6e29\u5ea6<\/td>\n\u3088\u308a\u9ad8\u3044\u6e29\u5ea6\u306f\u9650\u754c\u6dd8\u6c70\u3092\u4e0d\u5b89\u5b9a\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td>\n\u9298\u677f\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u904b\u8ee2\u6e29\u5ea6\u3068\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/td>\n<\/tr>\n
\u88fd\u54c1\u5f62\u614b<\/td>\n\u30d1\u30a4\u30d7\u3001\u68d2\u6750\u3001\u935b\u9020\u54c1\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u5404\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u52a0\u5de5\u6642\u306e\u6319\u52d5\u304c\u7570\u306a\u308b\u3002<\/td>\nASTM\/ASME\u7b49\u7d1a\u3001\u72b6\u614b\u3001\u304a\u3088\u3073\u88dc\u8db3\u7684\u306a\u54c1\u8cea\u4fdd\u8a3c\u8981\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u6eb6\u63a5\u8a2d\u8a08<\/td>\n\u6eb6\u63a5\u91d1\u5c5e\u306e\u5316\u5b66\u7684\u6027\u8cea\u3068\u5e0c\u91c8\u304c\u8150\u98df\u6027\u80fd\u306b\u5f71\u97ff\u3059\u308b<\/td>\n\u6eb6\u63a5\u624b\u9806\u3001\u8089\u76db\u539a\u3055\u3001\u5e0c\u91c8\u3001\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\u3092\u7ba1\u7406\u3059\u308b\u3002<\/td>\n<\/tr>\n
NACE \/ \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30fb\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/td>\n\u30b5\u30ef\u30fc\u30fb\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u901a\u5e38\u3001\u6b63\u5f0f\u306a\u8cc7\u6599\u306e\u63d0\u51fa\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/td>\n\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4ed5\u69d8\u304a\u3088\u3073\u8a72\u5f53\u3059\u308bNACE \/ ISO\u8981\u4ef6\u3068\u306e\u6574\u5408\u6027\u306e\u78ba\u8a8d<\/td>\n<\/tr>\n
\u30ac\u30eb\u30d0\u30cb\u30c3\u30af\u30da\u30a2\u30ea\u30f3\u30b0<\/td>\n\u7570\u7a2e\u91d1\u5c5e\u306f\u63a5\u5408\u90e8\u306b\u30c0\u30e1\u30fc\u30b8\u3092\u96c6\u4e2d\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td>\n\u96a3\u63a5\u3059\u308b\u5408\u91d1\u3001\u30d5\u30e9\u30f3\u30b8\u9762\u3001\u30dc\u30eb\u30c8\u306e\u7de0\u7d50\u3001\u6d77\u6c34\u3078\u306e\u66b4\u9732\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u4fb5\u98df-\u8150\u98df\u30ea\u30b9\u30af<\/td>\n\u7802\u3001\u30b9\u30b1\u30fc\u30eb\u3001\u4e71\u6d41\u306f\u53d7\u52d5\u8868\u9762\u3092\u640d\u50b7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td>\n\u6d41\u901f\u3001\u30a4\u30f3\u30d4\u30f3\u30b8\u30e1\u30f3\u30c8\u3001\u56fa\u5f62\u7269\u8ca0\u8377\u3001\u30d5\u30ed\u30fc\u5f62\u72b6\u306e\u8a55\u4fa1<\/td>\n<\/tr>\n
\u691c\u67fb\u6226\u7565<\/td>\n\u512a\u308c\u305f\u5408\u91d1\u3067\u3082\u91cd\u8981\u306a\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u691c\u8a3c\u304c\u5fc5\u8981<\/td>\nPMI\u3001\u30d5\u30a7\u30e9\u30a4\u30c8\u7ba1\u7406\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u8a66\u9a13\u3001\u8150\u98df\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u5b9a\u7fa9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u30a4\u30f3\u30b3\u30cd\u30eb625\u3092\u9078\u3076\u3068\u304d\u306e\u3088\u304f\u3042\u308b\u9593\u9055\u3044<\/h2>\n

\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u306e\u4e00\u3064\u306f\u3001\u30a4\u30f3\u30b3\u30cd\u30eb625\u3092\u4e07\u80fd\u306e\u7b54\u3048\u306e\u3088\u3046\u306b\u6271\u3046\u3053\u3068\u3067\u3042\u308b\u3002\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u5f37\u529b\u306a\u5408\u91d1\u3067\u3042\u308a\u3001\u9b54\u6cd5\u306e\u5408\u91d1\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u904e\u9177\u306a\u9699\u9593\u3001\u4e88\u671f\u305b\u306c\u9178\u7d20\u6c5a\u67d3\u3001\u653b\u6483\u7684\u306a\u5806\u7a4d\u7269\u3001\u8010\u98df\u5c64\u3078\u306e\u6a5f\u68b0\u7684\u306a\u640d\u50b7\u306a\u3069\u304c\u3042\u308b\u5834\u5408\u3001\u6027\u80fd\u306f\u8a2d\u8a08\u898f\u5f8b\u3068\u52a0\u5de5\u54c1\u8cea\u306b\u5927\u304d\u304f\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\u3082\u30461\u3064\u306e\u904e\u3061\u306f\u3001\u6eb6\u63a5\u8089\u76db\u306e\u5e0c\u91c8\u3092\u7121\u8996\u3059 \u308b\u3053\u3068\u3067\u3042\u308b\u3002\u3042\u308b\u90e8\u54c1\u304c\u300c625 \u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u300d\u3068\u3057\u3066\u8ca9\u58f2\u3055\u308c\u3066\u3044 \u3066\u3082\u3001\u4e0b\u5730\u304b\u3089\u306e\u5e0c\u91c8\u304c\u904e\u5270\u3067\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306e\u539a\u3055\u306e \u7ba1\u7406\u304c\u4e0d\u5341\u5206\u3067\u3042\u308c\u3070\u3001\u9732\u51fa\u3057\u305f\u8868\u9762\u306e\u8010\u98df\u6027\u5316\u5b66 \u7684\u6027\u8cea\u306f\u3001\u8a2d\u8a08\u8005\u304c\u610f\u56f3\u3057\u305f\u3082\u306e\u3068\u306f\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042 \u308b\u3002\u91cd\u5927\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u30b5\u30ef\u30fc\u30ac\u30b9\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306e\u624b\u9806\u306e\u9069\u683c\u6027\u3001\u5316\u5b66\u7684\u6027\u8cea\u306e\u691c\u8a3c\u3001\u6700\u7d42\u7684\u306a\u539a\u3055\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a73\u7d30\u4e8b\u9805\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u7b2c\u4e09\u306e\u904e\u3061\u306f\u3001\u5408\u91d1\u540d\u3060\u3051\u3092\u983c\u308a\u306b\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u8a55\u4fa1\u3059\u308b\u6280\u8853\u8005\u306b\u3068\u3063\u3066 \u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u9078\u3073\u65b9<\/strong>, \u8cfc\u5165\u4ed5\u69d8\u66f8\u306f\u3001\u5408\u91d1\u30d5\u30a1\u30df\u30ea\u30fc\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u88fd\u54c1\u898f\u683c\u3001\u8a66\u9a13\u7bc4\u56f2\u3001\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u30fb\u30ec\u30d9\u30eb\u3001\u90e8\u54c1\u304c\u935b\u9020\u3001\u935b\u9020\u3001\u30af\u30e9\u30c3\u30c9\u3001\u8089\u76db\u306e\u3044\u305a\u308c\u3067\u3042\u308b\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u8a73\u7d30\u306b\u3088\u3063\u3066\u3001\u8a2d\u7f6e\u3055\u308c\u305f\u6750\u6599\u304c\u8a2d\u8a08\u57fa\u6e96\u3067\u60f3\u5b9a\u3055\u308c\u305f\u3088\u3046\u306a\u6319\u52d5\u3092\u793a\u3059\u304b\u3069\u3046\u304b\u304c\u6c7a\u307e\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u30a4\u30f3\u30b3\u30cd\u30eb625\u304c\u826f\u3044\u9078\u629e\u3067\u3042\u308b\u5834\u5408\u3068\u3001\u591a\u3059\u304e\u305f\u308a\u5c11\u306a\u3059\u304e\u305f\u308a\u3059\u308b\u5834\u5408<\/h2>\n

\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u901a\u5e38\u3001\u6e7f\u6f64H2S\u3001\u5869\u5316\u7269\u3001\u9ad8 \u3044\u4fe1\u983c\u6027\u304c\u8981\u6c42\u3055\u308c\u308b\u7528\u9014\u3001\u7279\u306b\u30d0\u30eb\u30d6\u3001 \u6d77\u5e95\u91d1\u5177\u3001\u5c0f\u578b\u30b3\u30cd\u30af\u30bf\u30fc\u3001\u8a08\u5668\u7528\u7d99\u624b\u3001\u307e\u305f\u306f \u5c40\u6240\u7684\u306a\u8010\u98df\u6027\u304c\u91cd\u8981\u306a\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u7528\u9014\u306b \u304a\u3044\u3066\u6709\u529b\u306a\u5019\u88dc\u3068\u306a\u308b\u3002\u307e\u305f\u3001\u52a0\u5de5\u6eb6\u63a5\u6027\u3068\u5e45\u5e83\u3044\u88fd\u54c1\u5f62\u72b6\u306e\u5165\u624b\u53ef\u80fd\u6027\u304c\u91cd\u8981\u306a\u5834\u5408\u306b\u3082\u9b45\u529b\u7684\u3067\u3059\u3002.<\/p>\n

\u3057\u304b\u3057\u3001\u4e8c\u76f8\u92fc\u3001\u8d85\u4e8c\u76f8\u92fc\u3001\u307e\u305f\u306f\u4f4e\u30b3\u30b9\u30c8\u306e CRA\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u5b9f\u969b\u306e\u8150\u98df\u5305\u7d61\u7dda\u3068\u30d7\u30ed\u30b8\u30a7 \u30af\u30c8\u306e\u898f\u683c\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u4e2d\u7a0b\u5ea6\u306e\u9178 \u6027\u30ac\u30b9\u7cfb\u3067\u306f\u3001\u5fc5\u8981\u4ee5\u4e0a\u306e\u8150\u98df\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027 \u304c\u3042\u308b\u3002\u4e00\u65b9\u3001\u6975\u7aef\u306a\u9699\u9593\u8150\u98df\u3001\u975e\u5e38\u306b\u653b\u6483\u7684\u306a\u9178\u5316 \u6c5a\u67d3\u3001\u6a19\u6e96\u7684\u306a\u30b5\u30ef\u30fc\u30ac\u30b9\u306e\u60f3\u5b9a\u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3068 \u5316\u5b66\u7684\u6027\u8cea\u306e\u7570\u5e38\u306a\u7d44\u307f\u5408\u308f\u305b\u306a\u3069\u306e\u74b0\u5883\u3067\u306f\u3001 \u5341\u5206\u306a\u8150\u98df\u5bfe\u7b56\u304c\u3068\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u3088\u308a\u6df1\u3044\u8150\u98df\u306e\u691c\u8a0e\u3001\u5b9f\u9a13\u5ba4\u8a66\u9a13\u3001\u307e\u305f\u306f\u9ad8\u5408\u91d1\u306e\u4ee3\u66ff\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u9078\u3073\u65b9\"<\/p>\n

\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u6700\u7d42\u898b\u89e3<\/h2>\n

\u306b\u5bfe\u3059\u308b\u53b3\u5bc6\u306a\u7b54\u3048\u3092\u304a\u671b\u307f\u306a\u3089 \u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb625\u306e\u9078\u3073\u65b9<\/strong>, \u5408\u91d1\u540d\u304b\u3089\u59cb\u3081\u306a\u3044\u3053\u3068\u3002\u74b0\u5883\u3001\u640d\u50b7\u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u88fd\u9020\u30eb\u30fc\u30c8\u3001\u691c\u67fb\u306e\u8003\u3048\u65b9\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u3001\u9178\u3063\u3071\u3044\u30b5\u30fc\u30d3\u30b9\u304c\u672c\u5f53\u306b\u8907\u96d1\u3067\u3001\u6e7f\u6f64\u3067\u3001\u5869\u5316\u7269\u3092\u542b\u307f\u3001\u4fe1\u983c\u6027\u306b\u654f\u611f\u3067\u3001\u52a0\u5de5\u304c\u91cd\u8981\u306a\u5834\u5408\u306b\u3001\u305d\u306e\u5730\u4f4d\u3092\u7372\u5f97\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30a4\u30f3\u30b3\u30cd\u30eb625\u5408\u91d1\u306e\u4fa1\u5024\u306f\u3001\u305d\u308c\u304c\u898f\u5f8b\u3092\u6301\u3063\u3066\u6307\u5b9a\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u73fe\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u5316\u5b66\u7684\u6027\u8cea\u3092\u5b9a \u7fa9\u3057\u3001\u9069\u5207\u306a\u88fd\u54c1\u5f62\u72b6\u3092\u9078\u629e\u3057\u3001\u6eb6\u63a5\u624b\u9806\u306e\u5909 \u6570\u3092\u7ba1\u7406\u3057\u3001\u7fd2\u6163\u3084\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u7528\u8a9e\u3067\u306f\u306a\u304f\u3001 \u5b9f\u969b\u306e\u6545\u969c\u30ea\u30b9\u30af\u3068\u6750\u6599\u306e\u9078\u629e\u3092\u4e00\u81f4\u3055\u305b\u308b\u3053 \u3068\u3067\u3042\u308b\u3002.<\/p>\n

\u30d0\u30a4\u30e4\u30fc\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u30c6\u30af\u30cb\u30ab\u30eb\u30fb\u30b5\u30dd\u30fc\u30c8\u304c\u6c7a\u5b9a\u7684\u306a\u610f\u5473\u3092\u6301\u3064\u306e\u306f\u901a\u5e38\u3053\u306e\u70b9\u3067\u3042\u308b\u3002\u5316\u5b66\u7684\u9650\u754c\u306e\u307f\u3092\u7406\u89e3\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u71b1\u91cf\u3092\u898b\u7a4d\u3082\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u30b5\u30ef\u30fc\u30fb\u30ac\u30b9\u30fb\u30b5\u30fc\u30d3\u30b9\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u9ad8\u4fa1\u306a\u30df\u30b9\u3092\u907f\u3051\u308b\u624b\u52a9\u3051\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n

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

1.\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u5e38\u306b\u30b5\u30ef\u30fc\u30ac\u30b9\u306b\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u306e\u4f7f\u7528\u306f\u3001\u5358\u4e00\u306e\u53b3\u3057\u3055\u30ec\u30d9\u30eb\u3067\u306f\u306a \u3044\u3002\u6761\u4ef6\u306b\u3088\u3063\u3066\u306f\u3001\u4e8c\u76f8\u92fc\u3001\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u92fc\u3001 \u305d\u306e\u4ed6\u306e\u8010\u98df\u6027\u5408\u91d1\u304c\u9069\u5207\u306a\u5834\u5408\u3082\u3042\u308b\u3002\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u3001\u6e7f\u6f64H2S\u3001\u5869\u5316\u7269\u3001\u9699\u9593\u30ea \u30b9\u30af\u3001\u9ad8\u4fe1\u983c\u6027\u8981\u4ef6\u304c\u540c\u6642\u306b\u4f5c\u7528\u3059\u308b\u5834\u5408\u306b\u3001 \u3088\u308a\u8aac\u5f97\u529b\u3092\u5897\u3059\u3002.<\/p>\n

2.\u56fa\u4f53\u306e\u30a4\u30f3\u30b3\u30cd\u30eb625\u306f\u3001625\u6eb6\u63a5\u8089\u76db\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n

\u81ea\u52d5\u7684\u306b\u3067\u306f\u306a\u3044\u3002\u30bd\u30ea\u30c3\u30c9625\u306f\u5168\u65ad\u9762\u8010\u98df\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u5927\u578b\u306e\u5727\u529b\u4fdd\u6301\u90e8\u54c1\u306b\u306f625\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306e\u65b9\u304c\u7d4c\u6e08\u7684\u3067\u3059\u3002\u6b63\u3057\u3044\u9078\u629e\u306f\u3001\u5f62\u72b6\u3001\u640d\u50b7\u306e\u8a31\u5bb9\u7bc4\u56f2\u3001\u691c\u67fb\u306e\u8003\u3048\u65b9\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306e\u5e0c\u91c8\u3084\u6a5f\u68b0\u7684\u640d\u50b7\u306e\u30ea\u30b9\u30af\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n

3.\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u306b\u30a4\u30f3\u30b3\u30cd\u30eb625\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306e\u6700\u5927\u306e\u30ea\u30b9\u30af\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n

\u6700\u5927\u306e\u30ea\u30b9\u30af\u306f\u3001\u4ed5\u69d8\u306e\u4e0d\u5b8c\u5168\u3055\u3067\u3042\u308b\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u6b63\u3057\u3044\u5408\u91d1 \u7cfb\u7d71\u3092\u9078\u629e\u3057\u3066\u3082\u3001\u88fd\u54c1\u5f62\u72b6\u3001\u6eb6\u63a5\u7ba1\u7406\u3001\u8089\u76db\u539a\u3055\u3001\u8a66\u9a13\u3001\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30bb\u30b9\u5316\u5b66\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002\u9178\u6b20\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6b20\u843d\u306f\u3001\u308f\u305a\u304b\u306b\u4fdd\u5b88\u7684\u306a\u5408\u91d1\u3092\u9078\u629e\u3059\u308b\u3088\u308a\u3082\u5371\u967a\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When engineers discuss how to choose Inconel 625 for sour gas service, the real question is rarely just \u201cWill it resist corrosion?\u201d The better question is whether the alloy, product form, heat treatment condition, and service envelope align with the actual H2S, chloride, CO2, pressure, temperature, and fabrication risks in the field. In sour gas duty, material selection mistakes usually do not fail fast in a dramatic way. They fail slowly\u2014through pitting initiation, crevice attack under deposits, galvanic mismatch at weld transitions, or environmentally assisted cracking after months of apparently stable service. That is why Inconel 625 is often shortlisted, but not always correctly specified. Inconel 625 is a nickel-chromium-molybdenum-niobium […]<\/p>","protected":false},"author":1,"featured_media":3685,"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-3683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1776308941:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["69"],"rank_math_focus_keyword":["How to Choose Inconel 625 for Sour Gas Service"],"rank_math_description":["Sour gas failures start with wrong alloy choices. Learn how to choose Inconel 625 for sour gas service before corrosion costs escalate."],"_thumbnail_id":["3685"],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:46:\"How to Choose Inconel 625 for Sour Gas Service\";}"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1781272130\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-3683.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301.jpg",1200,800,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301-768x512.jpg",768,512,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301.jpg",1200,800,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301.jpg",1200,800,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/301-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/ja\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"When engineers discuss how to choose Inconel 625 for sour gas service, the real question is rarely just \u201cWill it resist corrosion?\u201d The better question is whether the alloy, product form, heat treatment condition, and service envelope align with the actual H2S, chloride, CO2, pressure, temperature, and fabrication risks in the field. In sour gas…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3683","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=3683"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3683\/revisions"}],"predecessor-version":[{"id":3687,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3683\/revisions\/3687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3685"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3683"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}