{"id":3485,"date":"2026-03-30T04:56:28","date_gmt":"2026-03-30T03:56:28","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3485"},"modified":"2026-03-30T04:56:36","modified_gmt":"2026-03-30T03:56:36","slug":"how-to-choose-inconel-601-for-sour-gas-service","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/how-to-choose-inconel-601-for-sour-gas-service\/","title":{"rendered":"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u3073\u65b9"},"content":{"rendered":"

Operating in upstream and downstream environments laden with hydrogen sulfide (H\u2082S) and carbon dioxide (CO\u2082) presents unforgiving metallurgical challenges. Equipment failure here doesn’t just halt production; it creates severe safety hazards. As material engineers, we constantly evaluate alloys that can resist sulfide stress cracking (SSC) while maintaining high-temperature stability. If you are navigating these harsh conditions, understanding how to choose \u30a4\u30f3\u30b3\u30cd\u30eb601<\/a> \u30b5\u30ef\u30fc\u30ac\u30b9\u306b\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002\u3053\u306e\u7279\u5b9a\u306e\u30cb\u30c3\u30b1\u30eb\u30fb\u30af\u30ed\u30e0\u30fb\u9244\u5408\u91d1\u306f\u3001\u975e\u5e38\u306b\u5b89\u5b9a\u3057\u305f\u4e0d\u52d5\u614b\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308b\u304c\u3001\u6e29\u5ea6\u9650\u754c\u3068\u5869\u5316\u7269\u6fc3\u5ea6\u306b\u95a2\u3057\u3066\u6b63\u78ba\u306a\u4ed5\u69d8\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002\u51b6\u91d1\u5b66\u7684\u306a\u73fe\u5b9f\u3092\u89e3\u5256\u3057\u3066\u307f\u3088\u3046\u3002.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u3073\u65b9\"<\/p>\n

H\u2082S\u74b0\u5883\u306b\u304a\u3051\u308b\u5408\u91d1601\u306e\u51b6\u91d1\u7684\u8ad6\u7406<\/h3>\n

\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u3073\u65b9\u3092\u771f\u306b\u30de\u30b9\u30bf\u30fc\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u5fae\u7d30\u69cb\u9020\u3092\u898b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002UNS N06601\u306e\u5316\u5b66\u7d44\u6210\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u304c\u7d0461%\u3001\u30af\u30ed\u30e0\u304c\u7d0423%\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u7d041.4%\u3067\u3042\u308b\u3002.<\/p>\n

\u6a19\u6e96\u7684\u306a\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u4e3b\u306a\u6545\u969c\u30e2\u30fc\u30c9\u306f\u3001\u6c34\u6027H\u2082S\u8150\u98df\u53cd\u5fdc\u306e\u526f\u7523\u7269\u3067\u3042\u308b\u91d1\u5c5e\u683c\u5b50\u5185\u3078\u306e\u539f\u5b50\u72b6\u6c34\u7d20\u306e\u62e1\u6563\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u6c34\u7d20\u8106\u5316\u3067\u3042\u308b\u3002601\u4e2d\u306e\u975e\u5e38\u306b\u9ad8\u3044\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u306f\u3001\u6c34\u7d20\u900f\u904e\u7387\u3092\u8457\u3057\u304f\u4f4e\u4e0b\u3055\u305b\u308b\u3002\u3055\u3089\u306b\u3001\u30af\u30ed\u30e0\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u3001\u5f37\u56fa\u306b\u4ed8\u7740\u3057\u305f\u81ea\u5df1\u4fee\u5fa9\u9178\u5316\u7269\u5c64\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u5408\u91d1601\u306f\u305d\u306e\u9ad8\u6e29\u8010\u9178\u5316\u6027\uff081200\u2103\u307e\u3067\uff09\u3067\u4e16\u754c\u7684\u306b\u6709\u540d\u3067\u3059\u304c\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u3067\u306e\u6027\u80fd\u306fH\u2082S\u306e\u5206\u5727\u3068\u6c34\u6027\u5869\u5316\u7269\u306e\u5b58\u5728\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n

\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30d7\u30ed\u30bb\u30b9\u6d41\u4f53\u304c\u9732\u70b9\u4ee5\u4e0b\u306b\u4f4e\u4e0b\u3057\u305f\u5834\u5408\u3001H\u2082S\u3068\u7d50\u5408\u3057\u305f\u6c34\u6027\u5869\u5316\u7269\u304c\u5b54\u98df\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u629e\u65b9\u6cd5\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u5b9f\u969b\u306e\u904b\u8ee2\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570\uff08PREN\uff09\u8981\u4ef6\u3092\u6b63\u78ba\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002.<\/p>\n

\u6750\u6599\u9078\u629e\u306e\u305f\u3081\u306e\u6bd4\u8f03\u5206\u6790<\/h3>\n

\u4ee5\u4e0b\u306f\u3001N06601\u304c\u8010\u30b5\u30ef\u30fc\u30ac\u30b9\u5408\u91d1\u306e\u5e83\u7bc4\u306a\u30b9\u30da\u30af\u30c8\u30eb\u306e\u4e2d\u3067\u3069\u306e\u3088\u3046\u306a\u4f4d\u7f6e\u3065\u3051\u306b\u3042\u308b\u304b\u3092\u77e5\u308b\u305f\u3081\u306e\u6280\u8853\u7684\u6bd4\u8f03\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n\n\n\n\n
\u5408\u91d1\u30b0\u30ec\u30fc\u30c9<\/strong><\/td>\nUNS\u6307\u5b9a<\/strong><\/td>\nCr (%)<\/strong><\/td>\n\u30cb\u30c3\u30b1\u30eb\uff08%\uff09<\/strong><\/td>\nPREN\uff08\u4ee3\u8868\u5024\uff09<\/strong><\/td>\n\u9178\u3063\u3071\u3044\u74b0\u5883\u306b\u6700\u9069<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u30a4\u30f3\u30b3\u30cd\u30eb601<\/b><\/span><\/td>\nN06601<\/span><\/td>\n21.0 – 25.0<\/span><\/td>\n58.0 – 63.0<\/span><\/td>\n~25<\/span><\/td>\n\u4e7e\u71e5\u3057\u305f\u9ad8\u6e29H\u2082S\u30ac\u30b9\u6d41\uff1b\u9178\u5316\u30be\u30fc\u30f3\u3002.<\/span><\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30cd\u30eb625<\/a><\/b><\/span><\/td>\nN06625<\/span><\/td>\n20.0 – 23.0<\/span><\/td>\n58.0\u5206<\/span><\/td>\n~50<\/span><\/td>\n\u9ad8\u5869\u5316\u7269\u3092\u542b\u3080\u6e7f\u6f64\u3067\u8150\u98df\u6027\u306e\u9ad8\u3044\u30b5\u30ef\u30fc\u30ac\u30b9\u3002.<\/span><\/td>\n<\/tr>\n
\u30a4\u30f3\u30b3\u30ed\u30a4825<\/a><\/b><\/span><\/td>\nN08825<\/span><\/td>\n19.5 – 23.5<\/span><\/td>\n38.0 – 46.0<\/span><\/td>\n~31<\/span><\/td>\n\u4f4e\u6e29\u30b5\u30ef\u30fc\u30ac\u30b9\u5206\u96e2\u88c5\u7f6e\uff1b\u30b3\u30b9\u30c8\u52b9\u7387\u3002.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3053\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u629e\u65b9\u6cd5\u306e\u7b2c\u4e00\u6b69\u3067\u3042\u308b\u3002\u30a4\u30f3\u30b3\u30cd\u30eb601\u306f\u3001\u9ad8\u5869\u5316\u7269\u30a6\u30a7\u30c3\u30c8\u30fb\u30b5\u30ef\u30fc\u30fb\u30b5\u30fc \u30d3\u30b9\u306b\u304a\u3044\u3066\u5408\u91d1625\u306e\u4ee3\u66ff\u3068\u306a\u308b\u4e07\u80fd\u6750\u6599\u3067\u306f\u306a \u3044\u304c\u3001\u9ad8\u6e29\u3067\u786b\u9ec4\u3092\u542b\u3080\u6392\u6c17\u3084\u3001625\u304c\u9577\u6642\u9593\u306e\u71b1 \u66b4\u9732\u306b\u3088\u3063\u3066\u8106\u5316\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u52a0\u5de5\u6bb5\u968e\u3067\u306f\u3001 \u6975\u3081\u3066\u6226\u7565\u7684\u306a\u6750\u6599\u3067\u3042\u308b\u3002.<\/p>\n

\u88fd\u9020\u7ba1\u7406\u304a\u3088\u3073\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30fb\u30b5\u30dd\u30fc\u30c8<\/h3>\n

\u6750\u6599\u306e\u7269\u7406\u7684\u4f9b\u7d66\u6761\u4ef6\u306f\u3001\u305d\u306e\u5316\u5b66\u7684\u6027\u8cea\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3059\u3002\u30b5\u30ef\u30fc\u30fb\u30ac\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u629e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u304a\u5ba2\u69d8\u304b\u3089\u3054\u8cea\u554f\u3092\u53d7\u3051\u305f\u5834\u5408\u3001\u76f4\u3061\u306b\u52a0\u5de5\u3068\u6eb6\u63a5\u306e\u624b\u9806\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002.<\/p>\n

\u5408\u91d1\u306f\u3001\u5fdc\u529b\u8150\u98df\u5272\u308c(SCC)\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u6700\u5927\u306b\u3059 \u308b\u305f\u3081\u306b\u3001\u6eb6\u4f53\u5316\u51e6\u7406\u3055\u308c\u305f\u72b6\u614b\u3067\u4f9b\u7d66\u3055\u308c\u306a\u3051\u308c\u3070\u306a \u3089\u306a\u3044\u3002\u51b7\u9593\u52a0\u5de5\u306f\u964d\u4f0f\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001 \u9069\u5207\u306a\u5fdc\u529b\u9664\u53bb\u3092\u884c\u308f\u306a\u3044\u3068SCC\u611f\u53d7\u6027\u3092\u9ad8 \u3081\u308b\u3002\u6eb6\u63a5\u306e\u969b\u3001\u9178\u6d17\u74b0\u5883\u4e0b\u3067\u306e\u512a\u5148\u7684\u306a\u6eb6\u63a5\u8150\u98df\u3092 \u9632\u3050\u305f\u3081\u3001\u9069\u5408\u3059\u308b\u6eb6\u52a0\u6750(ERNiCrFe-11\u306a\u3069)\u307e \u305f\u306f\u904e\u5408\u91d1\u6eb6\u52a0\u6750(ERNiCrMo-3\u306a\u3069)\u3092\u4f7f\u7528\u3059\u308b \u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300228Nickel\u3067\u306f\u3001\u5408\u91d1601\u306e\u7d50\u6676\u7c92\u5f84\u3068\u70ad\u7d20\u542b\u6709\u91cf\u306b\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3044\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u30bb\u30af\u30bf\u30fc\u306e\u7528\u9014\u306e\u53b3\u3057\u3044\u8981\u6c42\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\"\u30b5\u30ef\u30fc\u30ac\u30b9\u30b5\u30fc\u30d3\u30b9\u7528\u30a4\u30f3\u30b3\u30cd\u30eb601\u306e\u9078\u3073\u65b9\"<\/p>\n

\u7d50\u8ad6\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u306e\u78ba\u4fdd<\/h3>\n

Mastering how to choose Inconel 601 for sour gas service ultimately comes down to matching the alloy’s thermodynamic stability with your specific process variables (H\u2082S partial pressure, temperature, and chloride levels). Over-specifying drains your budget, while under-specifying risks catastrophic blowouts.<\/p>\n

As a specialized nickel alloy foreign trade company, 28Nickel bridges the gap between raw material supply and metallurgical engineering. We don’t just sell metal; we provide technical assurance. If your current project involves sour gas parameters and you need to verify if Alloy 601\u2014or an alternative like 625 or 825\u2014is the right fit, submit your operational data to our engineering team. We will help you optimize your material selection and secure reliable, high-quality mill products.<\/p>\n

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

Q1: \u30a4\u30f3\u30b3\u30cd\u30eb601\u306f\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u306eNACE MR0175 \/ ISO 15156\u5236\u9650\u306b\u9069\u5408\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/b><\/p>\n

\u7b54\u3048\u3066\u304f\u308c\uff1a<\/i> \u5408\u91d1601\uff08UNS N06601\uff09\u306f\u3001\u713c\u920d\u72b6\u614b\u3067\u3042\u308a\u3001\u53b3\u683c\u306a\u786c\u5ea6\u8981\u4ef6\uff08\u901a\u5e38\u3001\u6700\u592735HRC\uff09\u3092\u6e80\u305f\u3057\u3066\u3044\u308c\u3070\u3001\u7279\u5b9a\u306e\u56fa\u6eb6\u30cb\u30c3\u30b1\u30eb\u57fa\u5408\u91d1\u306b\u3064\u3044\u3066NACE MR0175\u3067\u4e00\u822c\u7684\u306b\u8a31\u5bb9\u3055\u308c\u308b\u3002\u305f\u3060\u3057\u3001\u74b0\u5883\u5236\u9650\uff08\u6e29\u5ea6\u3084H\u2082S\u5206\u5727\u306a\u3069\uff09\u306f\u3001\u7279\u5b9a\u306e\u7528\u9014\u5206\u985e\u306b\u57fa\u3065\u3044\u3066\u898f\u683c\u3068\u76f8\u4e92\u53c2\u7167\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

Q2\uff1a\u30a2\u30ed\u30a4601\u306e\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u542b\u6709\u91cf\u306f\u3001H\u2082S\u74b0\u5883\u3067\u306e\u6027\u80fd\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/b><\/p>\n

\u7b54\u3048\u3066\u304f\u308c\uff1a<\/i> 1.4%\u306e\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u6dfb\u52a0\u306f\u3001\u30af\u30ed\u30e0\u3068\u76f8\u4e57\u7684\u306b\u4f5c\u7528\u3057\u3001\u975e\u5e38\u306b\u7c98\u308a\u5f37\u3044\u3001\u8010\u5265\u843d\u6027\u306e\u9178\u5316\u30b9\u30b1\u30fc\u30eb\u3092\u5f62\u6210\u3059\u308b\u3002\u9ad8\u6e29\u306e\u30ac\u30b9\u72b6H\u2082S\u74b0\u5883\uff08\u30c9\u30e9\u30a4\u30b5\u30ef\u30fc\u30ac\u30b9\uff09\u3067\u306f\u3001\u3053\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u5f37\u529b\u306a\u62e1\u6563\u30d0\u30ea\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u6a19\u6e96\u7684\u306aNi-Cr\u5408\u91d1\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u52b9\u679c\u7684\u306b\u786b\u5316\u3068\u6d78\u70ad\u3092\u9632\u6b62\u3059\u308b\u3002.<\/p>\n

Q3: \u30a6\u30a7\u30c3\u30c8\u30fb\u30b5\u30ef\u30fc\u30fb\u30ac\u30b9\u3067\u30a2\u30ed\u30a4601\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u4e3b\u306a\u5236\u9650\u306f\u4f55\u3067\u3059\u304b\uff1f<\/b><\/p>\n

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