{"id":3800,"date":"2026-04-24T09:33:54","date_gmt":"2026-04-24T08:33:54","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3800"},"modified":"2026-04-25T04:14:08","modified_gmt":"2026-04-25T03:14:08","slug":"nace-compliant-nickel-alloy-for-sour-gas-service","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/nace-compliant-nickel-alloy-for-sour-gas-service\/","title":{"rendered":"NACE\u6e96\u62e0\u306e\u9178\u6027\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\uff1f"},"content":{"rendered":"

\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u306eNACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306f\u3001\u55b6\u696d\u8cc7\u6599\u7528\u306e\u98fe\u308a\u6587\u53e5\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002H2S\u3092\u542b\u3080\u74b0\u5883\u3067\u306f\u3001\u786b\u5316\u7269\u5fdc\u529b\u5272\u308c\u3001\u5fdc\u529b\u8150\u98df\u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u786c\u5ea6\u306b\u95a2\u9023\u3057\u305f\u8106\u5f31\u6027\u3001\u307e\u305f\u306f\u5b9f\u969b\u306e\u6d41\u4f53\u5316\u5b66\u7684\u6027\u8cea\u306b\u3088\u3063\u3066\u52a0\u901f\u3055\u308c\u308b\u8150\u98df\u6027\u653b\u6483\u306b\u3088\u3063\u3066\u3001\u6750\u6599\u306e\u7834\u640d\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u4e00\u822c\u7684\u306a\u8010\u98df\u6027\u306e\u8b33\u3044\u6587\u53e5\u306b\u983c\u308b\u306b\u306f\u30d7\u30ed\u30bb\u30b9\u30ea\u30b9\u30af\u304c\u9ad8\u3059\u304e\u308b\u5834\u5408\u306b\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u306eNACE\u6e96\u62e0\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3092\u63a2\u3057\u307e\u3059\u3002\u3053\u306e\u8981\u4ef6\u306f\u3001\u5408\u91d1\u30d5\u30a1\u30df\u30ea\u30fc\u3068\u540c\u69d8\u306b\u3001\u898f\u5f8b\u3042\u308b\u6750\u6599\u9078\u629e\u3068\u72b6\u614b\u7ba1\u7406\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u786c\u5ea6\u3001\u71b1\u51e6\u7406\u3001\u51b7\u9593\u52a0\u5de5\u3001\u307e\u305f\u306f\u6eb6\u63a5\u306e\u72b6\u614b\u304c\u9069\u5207\u306b\u7ba1\u7406\u3055\u308c\u306a\u3051\u308c\u3070\u30012\u3064\u306e\u6750\u6599\u304c\u540c\u3058\u3088\u3046\u306a\u5546\u54c1\u540d\u3067\u3042\u3063\u3066\u3082\u3001\u6319\u52d5\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u3053\u308c\u304c\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u306e\u8a8d\u5b9a\u304c\u30ab\u30bf\u30ed\u30b0\u306e\u597d\u307f\u3060\u3051\u3067\u306a\u304f\u3001\u30b5\u30fc\u30d3\u30b9\u5b9a\u7fa9\u304b\u3089\u59cb\u3081\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u7406\u7531\u3067\u3042\u308b\u3002H2S\u306e\u5206\u5727\u3001\u5869\u5316\u7269\u3001\u5143\u7d20\u72b6\u786b\u9ec4\u3001pH\u3001\u6e29\u5ea6\u3001\u30a6\u30a7\u30c3\u30c8\u30fb\u30b5\u30fc\u30d3\u30b9\u306e\u6709\u7121\u306f\u3059\u3079\u3066\u6750\u6599\u9078\u629e\u306b\u5f71\u97ff\u3059\u308b\u3002\u6a19\u6e96\u7684\u306a\u8010\u98df\u5408\u91d1\u3067\u5341\u5206\u306a\u5834\u5408\u3082\u3042\u308b\u3002\u307e\u305f\u3001\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3055\u308c\u305f\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u306eNACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3060\u3051\u304c\u3001\u5272\u308c\u3068\u8150\u98df\u306e\u66b4\u9732\u3092\u540c\u6642\u306b\u6e80\u8db3\u3055\u305b\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002NACE\u3092\u5358\u7d14\u306a\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3068\u3057\u3066\u6271\u3046\u30d0\u30a4\u30e4\u30fc\u306f\u3001\u6587\u66f8\u5316\u3001\u786c\u5ea6\u7ba1\u7406\u3001\u51e6\u7406\u30eb\u30fc\u30c8\u304c\u5408\u91d1\u306e\u30e9\u30d9\u30eb\u305d\u306e\u3082\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304f\u306e\u304c\u9045\u3059\u304e\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u7528NACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\"<\/p>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528NACE\u6e96\u62e0\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u672c\u5f53\u306e\u610f\u5473<\/b><\/strong><\/h2>\n

\u8abf\u9054\u30c1\u30fc\u30e0\u306b\u3068\u3063\u3066\u307e\u305a\u899a\u3048\u3066\u304a\u304f\u3079\u304d\u3053\u3068\u306f\u3001NACE \u9069\u5408\u306f\u6761\u4ef6\u56fa\u6709\u306e\u3082\u306e\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u9014\u306eNACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306f\u3001\u5316\u5b66\u7684\u6027\u8cea\u3060\u3051\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u6750\u6599\u304c\u3069\u306e\u3088\u3046\u306b\u88fd\u9020\u3055\u308c\u3001\u71b1\u51e6\u7406\u3001\u51b7\u9593\u52a0\u5de5\u3001\u6eb6\u63a5\u3055\u308c\u3001\u95a2\u9023\u898f\u683c\u3068\u30b5\u30fc\u30d3\u30b9\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306b\u7167\u3089\u3057\u3066\u691c\u67fb\u3055\u308c\u305f\u304b\u306b\u3088\u3063\u3066\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u898f\u5247\u306b\u3088\u3063\u3066\u306f\u3001\u30d0\u30a4\u30e4\u30fc\u306fMR0175\/ISO15156\u306e\u6982\u5ff5\u3001\u793e\u5185\u6240\u6709\u8005\u898f\u683c\u3001\u786c\u5ea6\u9650\u754c\u3001\u307e\u305f\u306f\u8ffd\u52a0\u7684\u306a\u6587\u66f8\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u4f5c\u696d\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u3002\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304c\u3053\u308c\u3089\u306e\u95a2\u4fc2\u3092\u8aac\u660e\u3067\u304d\u306a\u3051\u308c\u3070\u3001\u9069\u5408\u306e\u4e3b\u5f35\u3092\u4fe1\u7528\u3059\u308b\u3053\u3068\u306f\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n

That is especially important for bars, forgings, and fabricated components that may see additional machining or welding after supply. A mill-certified alloy may still become unsuitable if later processing changes the hardness or local metallurgical condition beyond acceptable limits. Therefore, when specifying NACE compliant nickel alloy for sour gas service, the buyer should request the full compliance basis: applicable standard, product form, heat-treatment condition, hardness evidence where relevant, and any restrictions on subsequent fabrication. This shifts the discussion from marketing language to engineering control, which is where sour service procurement needs to live.<\/p>\n\n\n\n\n\n\n\n
\u7ba1\u7406\u9805\u76ee<\/td>\n\u30b5\u30ef\u30fc\u30ac\u30b9\u3067\u91cd\u8981\u306a\u7406\u7531<\/td>\n\u30d0\u30a4\u30e4\u30fc\u304c\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068<\/td>\n<\/tr>\n
\u8a72\u5f53\u3059\u308bNACE\u57fa\u6e96<\/td>\n\u30b5\u30fc\u30d3\u30b9\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306e\u53d7\u3051\u5165\u308c\u57fa\u6e96\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/td>\n\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u6a19\u6e96\u3001MR0175 \/ ISO 15156\u53c2\u7167\u3001\u307e\u305f\u306f\u6240\u6709\u8005\u306e\u8981\u4ef6<\/td>\n<\/tr>\n
\u71b1\u51e6\u7406\u6761\u4ef6<\/td>\n\u8010\u30af\u30e9\u30c3\u30af\u6027\u3068\u786c\u3055\u3078\u306e\u5f71\u97ff<\/td>\n\u914d\u9054\u3055\u308c\u305f\u71b1\u306b\u95a2\u9023\u3059\u308b\u8a3c\u660e\u66f8\u3068\u30eb\u30fc\u30c8\u306e\u8a73\u7d30<\/td>\n<\/tr>\n
\u786c\u5ea6\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/td>\n\u904e\u5270\u306a\u786c\u5ea6\u306f\u3001\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u30af\u30e9\u30c3\u30ad\u30f3\u30b0\u30fb\u30ea\u30b9\u30af\u3092\u9ad8\u3081\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td>\n\u5fc5\u8981\u306a\u5834\u5408\u3001\u786c\u5ea6\u306e\u6e2c\u5b9a\u8a18\u9332<\/td>\n<\/tr>\n
\u4f9b\u7d66\u5f8c\u306e\u51e6\u7406\u5236\u9650<\/td>\n\u6a5f\u68b0\u52a0\u5de5\u3084\u6eb6\u63a5\u306f\u72b6\u614b\u3092\u5909\u5316\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td>\n\u88fd\u9020\u4e0a\u306e\u5236\u9650\u3084\u518d\u78ba\u8a8d\u306e\u5fc5\u8981\u6027\u306b\u95a2\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u30ac\u30a4\u30c0\u30f3\u30b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528NACE\u6e96\u62e0\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u4ed5\u69d8\u6642\u671f<\/b><\/strong><\/h2>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u306eNACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3092\u6307\u5b9a\u3059\u308b\u6700\u826f\u306e\u6642\u671f\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304c\u5728\u5eab\u30eb\u30fc\u30c8\u3092\u9078\u629e\u3059\u308b\u524d\u3001\u304a\u3088\u3073\u4ee3\u66ff\u54c1\u3092\u691c\u8a0e\u3059\u308b\u524d\u306e\u554f\u3044\u5408\u308f\u305b\u6bb5\u968e\u3067\u3042\u308b\u3002\u6750\u6599\u306b\u3088\u3063\u3066\u306f\u3001\u671f\u5f85\u3055\u308c\u308b\u8150\u98df\u6027\u3092\u6e80 \u305f\u3057\u3066\u3044\u3066\u3082\u3001\u786c\u5ea6\u3084\u52a0\u5de5\u5c65\u6b74\u3092\u691c\u8a0e\u3059\u308b\u3068\u30b5\u30ef\u30fc\u30b5 \u30fc\u30d3\u30b9\u306e\u8a31\u5bb9\u7bc4\u56f2\u304b\u3089\u5916\u308c\u3066\u3057\u307e\u3046\u3082\u306e\u3082\u3042\u308b\u305f\u3081\u3001\u3053 \u306e\u3088\u3046\u306a\u65e9\u671f\u306e\u5b9a\u7fa9\u306f\u91cd\u8981\u3067\u3042\u308b\u3002\u307e\u305f\u3001\u4e0a\u6d41\u3084\u30ac\u30b9\u51e6\u7406\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30b5\u30ef\u30fc\u3078\u306e\u66dd\u9732\u3068\u5727\u529b\u3001\u6e29\u5ea6\u5909\u5316\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u30ea\u30ea\u30fc\u30b9\u6587\u66f8\u304c\u7d44\u307f\u5408\u308f\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u3053\u308c\u3082\u91cd\u8981\u3067\u3042\u308b\u3002\u88fd\u9020\u304c\u958b\u59cb\u3055\u308c\u308b\u307e\u3067\u306b\u3001\u6750\u6599\u6226\u7565\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u5b89\u4fa1\u3067\u3042\u308b\u3053\u3068\u306f\u7a00\u3067\u3042\u308b\u3002.<\/p>\n

Buyers should therefore send the actual service description whenever possible: H2S level, chloride content, water presence, design temperature, pressure class, and any owner standard. At 28Nickel, we usually find that the most productive technical discussions begin when the project team explains the environment first and the alloy second. That approach makes it easier to determine whether a NACE compliant nickel alloy for sour gas service is necessary, which product forms are realistic, and which inspections or hardness checks should be built into the supply route. In sour gas work, clarity early is almost always cheaper than correction late.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u7528NACE\u9069\u5408\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\"<\/p>\n

\u7d50\u8ad6<\/b><\/strong><\/h2>\n

Sour gas service punishes vague material thinking. The right alloy family matters, but the compliance basis and condition control matter just as much. If you need help reviewing sour-service requirements or checking whether a supplier’s NACE claim is technically sound, 28Nickel can help align the material route with the real operating environment before release.<\/p>\n

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

Q: \u8010\u8150\u98df\u6027\u5408\u91d1\u306f\u81ea\u52d5\u7684\u306b\u30b5\u30ef\u30fc\u30ac\u30b9\u30fb\u30b5\u30fc\u30d3\u30b9\u306e\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u304b\uff1f<\/p>\n

\u8010\u98df\u6027\u3060\u3051\u3067\u306f\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u9069\u5408\u6027\u306f\u8a3c\u660e\u3067\u304d\u306a\u3044\u3002\u72b6\u614b\u3001\u786c\u5ea6\u3001\u52a0\u5de5\u7d4c\u8def\u3001\u304a\u3088\u3073\u7279\u5b9a\u306eNACE\u57fa\u6e96\u304c\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3042\u308b\u3002.<\/p>\n

Q: \u306a\u305c\u30d0\u30a4\u30e4\u30fc\u306fH2S\u3068\u5869\u5316\u7269\u306e\u60c5\u5831\u3092\u5171\u6709\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3059\u304b\uff1f<\/p>\n

\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u305f\u3081\u306e\u6750\u6599\u9078\u629e\u306f\u3001\u5408\u91d1\u540d\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u74b0\u5883\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3059\u308b\u304b\u3089\u3067\u3042\u308b\u3002\u305d\u308c\u3089\u306e\u8a73\u7d30\u306f\u3001\u4e80\u88c2\u30ea\u30b9\u30af\u3068\u8150\u98df\u6319\u52d5\u306e\u4e21\u65b9\u306b\u5f71\u97ff\u3059\u308b\u3002.<\/p>\n

Q: \u6eb6\u63a5\u306b\u3088\u3063\u3066NACE\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u304b\uff1f<\/p>\n

\u306f\u3044\u3002\u6eb6\u63a5\u304a\u3088\u3073\u6eb6\u63a5\u5f8c\u306e\u53d6\u308a\u6271\u3044\u306f\u3001\u5c40\u6240\u7684\u306a\u786c\u5ea6\u3084\u51b6\u91d1\u7684\u306a\u72b6\u614b\u3092\u5909\u5316\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u52a0\u5de5\u3055\u308c\u305f\u90e8\u54c1\u306f\u3001\u8ffd\u52a0\u7684\u306a\u7ba1\u7406\u3084\u518d\u6821\u6b63\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

NACE compliant nickel alloy for sour gas service is not a decorative phrase for sales literature. In H2S-containing environments, material failure can develop through sulfide stress cracking, stress corrosion mechanisms, hardness-related vulnerability, or corrosive attack accelerated by the actual fluid chemistry. Engineers therefore search for NACE compliant nickel alloy for sour gas service when the process risk is too high to rely on generic corrosion-resistant claims. The requirement is as much about disciplined material selection and condition control as it is about alloy family. Two materials may share a similar commercial name and still behave very differently if hardness, heat treatment, cold work, or weld condition are not properly managed. […]<\/p>\n","protected":false},"author":1,"featured_media":3801,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3800","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=3800"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3800\/revisions"}],"predecessor-version":[{"id":3827,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3800\/revisions\/3827"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3801"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}