{"id":2787,"date":"2026-03-09T04:05:56","date_gmt":"2026-03-09T03:05:56","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2787"},"modified":"2026-03-09T04:06:03","modified_gmt":"2026-03-09T03:06:03","slug":"nickel-alloy-material-comparison","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/nickel-alloy-material-comparison\/","title":{"rendered":"H2S\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p data-path-to-node=\"2\">\u8150\u98df\u306e\u6fc0\u3057\u3044\u30b5\u30ef\u30fc\u30ac\u30b9\u74b0\u5883\u3084\u6d77\u6d0b\u30d7\u30e9\u30c3 \u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u64cd\u696d\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u5c40\u90e8\u8150\u98df \u3068\u306e\u7d76\u3048\u9593\u306a\u3044\u6226\u3044\u306b\u76f4\u9762\u3057\u3066\u3044\u308b\u3002\u6a19\u6e96\u7684\u306a316L\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3 \u30ec\u30b9\u92fc\u304c\u5869\u5316\u7269\u8a98\u8d77\u5fdc\u529b\u8150\u98df\u5272\u308c(SCC)\u3092\u793a \u3059\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u51b6\u91d1\u306e\u6539\u826f\u306f\u8b72\u308c\u306a\u304f\u306a\u308b\u3002\u3057\u304b\u3057\u3001\u6b63\u78ba\u306a\u92fc\u7a2e\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u53b3\u5bc6 \u306a\u691c\u8a0e\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002 <b data-path-to-node=\"2\" data-index-in-node=\"350\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u65e9\u671f\u306e\u81f4\u547d\u7684\u306a\u6545\u969c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u57fa\u3065\u3044\u3066\u3084\u307f\u304f\u3082\u306b\u9078\u629e\u3059\u308b\u3068\u3001\u591a\u5909\u91cf\u8150\u98df\u306e\u6d41\u308c\u3067\u306f\u3057\u3070\u3057\u3070\u6027\u80fd\u4e0d\u8db3\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u51b6\u91d1\u5b66\u7684\u306a\u73fe\u5b9f\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3001\u6700\u3082\u82db\u9177\u306a\u7523\u696d\u7528\u9014\u3067\u306e\u751f\u5b58\u7387\u3092\u6c7a\u5b9a\u3059\u308b\u7279\u5b9a\u306e\u5316\u5b66\u7684\u30fb\u6a5f\u68b0\u7684\u7279\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"3\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2788\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173.jpg\" alt=\"H2S\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u8cea\u306e\u6bd4\u8f03\u304c\u5fc5\u8981\" width=\"1200\" height=\"896\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173-300x224.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173-1024x765.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173-768x573.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/173-16x12.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3 data-path-to-node=\"4\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03\u306b\u304a\u3051\u308b\u4e3b\u8981\u6307\u6a19<\/h3>\n<p data-path-to-node=\"5\">\u5805\u7262\u306a\u57fa\u76e4 <b data-path-to-node=\"5\" data-index-in-node=\"29\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570(PREN)\u3092\u9ad8\u6e29\u6a5f\u68b0\u7684\u7279\u6027\u3068\u3068\u3082\u306b\u5206\u6790\u3059\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\uff08Mo\uff09\u3068\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\uff08W\uff09\u306e\u6dfb\u52a0\u306f\u3001\u5c40\u6240\u7684\u306a\u967d\u6975\u6eb6\u89e3\u306e\u901f\u5ea6\u8ad6\u3092\u8457\u3057\u304f\u9045\u3089\u305b\u308b\u3002\u4f8b\u3048\u3070\u3001\u5408\u91d1625\u3068\u5408\u91d1C-276\u3092\u6bd4\u8f03\u3059 \u308b\u3053\u3068\u306f\u3001\u5358\u306b\u964d\u4f0f\u5f37\u5ea6\u306e\u6570\u5024\u3092\u4e00\u81f4\u3055\u305b\u308b\u3053 \u3068\u3067\u306f\u306a\u304f\u3001\u9577\u6642\u9593\u306e\u71b1\u66b4\u9732\u306b\u304a\u3051\u308b\u76f8\u5b89\u5b9a\u6027 \u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u9ad8\u6fc3\u5ea6\u306e\u30af\u30ed\u30e0(Cr)\u306f\u4e0d\u52d5\u614b\u9178\u5316\u76ae\u819c\u3092\u63d0\u4f9b\u3059\u308b\u304c\u3001NACE MR0175\/ISO 15156\u306e\u53b3\u3057\u3044\u6761\u4ef6\u4e0b\u3067\u6027\u80fd\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u306fNi\u3001Cr\u3001Mo\u306e\u76f8\u4e57\u52b9\u679c\u3067\u3042\u308b\u3002.<\/p>\n<p data-path-to-node=\"6\">\u6b63\u78ba\u306b\u5b9f\u884c\u3059\u308b <b data-path-to-node=\"6\" data-index-in-node=\"21\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b>, \u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u3001\u7279\u5b9a\u306e\u8150\u98df\u6027\u30a4\u30aa\u30f3\u3092\u5206\u96e2\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u5869\u5316\u7269\u3084\u786b\u5316\u6c34\u7d20\uff08H2S\uff09\u306f\u3001\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u9ad8\u3044\u30e2\u30ea\u30d6\u30c7\u30f3\u542b\u6709\u91cf\u3092\u8981\u6c42\u3059\u308b\u3002.<\/p>\n<table data-path-to-node=\"7\">\n<thead>\n<tr>\n<td><strong>\u5408\u91d1\u30b0\u30ec\u30fc\u30c9<\/strong><\/td>\n<td><strong>\u30cb\u30c3\u30b1\u30eb\uff08%\uff09<\/strong><\/td>\n<td><strong>Cr (%)<\/strong><\/td>\n<td><strong>\u30e2\u30ea\u30d6\u30c7\u30f3 (%)<\/strong><\/td>\n<td><strong>PREN\uff08\u4ee3\u8868\u5024\uff09<\/strong><\/td>\n<td><strong>\u6700\u5c0f\u964d\u4f0f\u5f37\u3055 (MPa)<\/strong><\/td>\n<td><strong>\u4e3b\u306a\u7528\u9014<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"7,1,0,0\"><b data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\">\u5408\u91d1C-276<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">\u30d0\u30e9\u30f3\u30b9<\/span><\/td>\n<td><span data-path-to-node=\"7,1,2,0\">14.5 &#8211; 16.5<\/span><\/td>\n<td><span data-path-to-node=\"7,1,3,0\">15.0 &#8211; 17.0<\/span><\/td>\n<td><span data-path-to-node=\"7,1,4,0\">~68<\/span><\/td>\n<td><span data-path-to-node=\"7,1,5,0\">340<\/span><\/td>\n<td><span data-path-to-node=\"7,1,6,0\">\u3072\u3069\u3044\u5b54\u98df\u3001\u6e7f\u3063\u305f\u5869\u7d20\u30ac\u30b9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\"><b data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\">\u30a2\u30ed\u30a4625<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">58.0\u5206<\/span><\/td>\n<td><span data-path-to-node=\"7,2,2,0\">20.0 &#8211; 23.0<\/span><\/td>\n<td><span data-path-to-node=\"7,2,3,0\">8.0 &#8211; 10.0<\/span><\/td>\n<td><span data-path-to-node=\"7,2,4,0\">~45<\/span><\/td>\n<td><span data-path-to-node=\"7,2,5,0\">414<\/span><\/td>\n<td><span data-path-to-node=\"7,2,6,0\">\u9ad8\u3044\u75b2\u52b4\u5f37\u5ea6\u3001\u8239\u8236\u7528<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\"><b data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\">\u30a2\u30ed\u30a4825<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">38.0 &#8211; 46.0<\/span><\/td>\n<td><span data-path-to-node=\"7,3,2,0\">19.5 &#8211; 23.5<\/span><\/td>\n<td><span data-path-to-node=\"7,3,3,0\">2.5 &#8211; 3.5<\/span><\/td>\n<td><span data-path-to-node=\"7,3,4,0\">~31<\/span><\/td>\n<td><span data-path-to-node=\"7,3,5,0\">241<\/span><\/td>\n<td><span data-path-to-node=\"7,3,6,0\">\u9178\u751f\u7523\u3001\u9178\u6b20\u30ac\u30b9\u4e95<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\"><b data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\">\u30a2\u30ed\u30a4400<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">63.0\u5206<\/span><\/td>\n<td><span data-path-to-node=\"7,4,2,0\">\u8a72\u5f53\u306a\u3057<\/span><\/td>\n<td><span data-path-to-node=\"7,4,3,0\">\u8a72\u5f53\u306a\u3057<\/span><\/td>\n<td><span data-path-to-node=\"7,4,4,0\">\u8a72\u5f53\u306a\u3057<\/span><\/td>\n<td><span data-path-to-node=\"7,4,5,0\">195<\/span><\/td>\n<td><span data-path-to-node=\"7,4,6,0\">\u30d5\u30c3\u5316\u6c34\u7d20\u9178\u3001\u6d77\u6c34<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"8\">\u4e0a\u8a18\u306e\u30c7\u30fc\u30bf\u3067\u5b9f\u8a3c\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u3060\u3001, <a href=\"https:\/\/www.nickelcasting.com\/ko\/%eb%8b%88%ec%bc%88-%ed%95%a9%ea%b8%88\/%ed%95%98%ec%8a%a4%ed%85%94%eb%a1%9c%ec%9d%b4-%eb%8b%88%ec%bc%88-%ed%95%a9%ea%b8%88\/%ed%95%98%ec%8a%a4%ed%85%94%eb%a1%9c%ec%9d%b4-c-276\/\">\u30cf\u30b9\u30c6\u30ed\u30a4 C-276<\/a>, 16%\u306eMo\u3092\u6301\u3064825\u5408\u91d1\u306f\u3001\u9178\u5316\u6027\u74b0\u5883\u4e0b\u3067\u306e\u5869\u5316\u7269\u306b\u3088\u308b\u5c40\u6240\u7684\u306a\u8150\u98df\u306e\u5f71\u97ff\u3092\u307b\u3068\u3093\u3069\u53d7\u3051\u307e\u305b\u3093\u3002\u9006\u306b\u3001Alloy 825\u306f\u975e\u5e38\u306b\u7d4c\u6e08\u7684\u3067\u3001\u786b\u9178\u306b\u5bfe\u3057\u3066\u6709\u52b9\u3067\u3042\u308b\u304c\u3001PREN\u304c\u4f4e\u3044\u305f\u3081\u3001\u53b3\u3057\u3044\u5b54\u98df\u74b0\u5883\u3067\u306f\u8010\u6027\u304c\u52a3\u308b\u3002\u5168\u3066 <b data-path-to-node=\"8\" data-index-in-node=\"341\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u5727\u529b\u5bb9\u5668\u306e\u8a2d\u8a08\u3084\u71b1\u4ea4\u63db\u5668\u7528\u30c1\u30e5\u30fc \u30d6\u306e\u8a2d\u8a08\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u660e\u78ba\u306a\u5316\u5b66\u7684\u5883\u754c\u3092 \u8003\u616e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u9ad8\u5869\u5316\u7269\u74b0\u5883\u3067\u4f4e\u7d1a\u5408\u91d1\u3092\u4ee3\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u5fc5\u7136\u7684\u306b\u7c92\u754c\u653b\u6483\u304c\u52a0\u901f\u3055\u308c\u308b\u3002.<\/p>\n<h3 data-path-to-node=\"9\">\u71b1\u5fdc\u529b\u4e0b\u3067\u306e\u6a5f\u68b0\u7684\u5b8c\u5168\u6027<\/h3>\n<p data-path-to-node=\"10\">\u8010\u6c34\u8150\u98df\u6027\u3060\u3051\u3067\u306a\u304f\u3001\u9ad8\u6e29\u3067\u306e\u6a5f\u68b0\u7684\u52a3\u5316\u3082\u6750\u6599\u306e\u9078\u629e\u3092\u5de6\u53f3\u3059\u308b\u3002\u30cb\u30aa\u30d6\uff08Nb\uff09\u3084\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u3088\u3046\u306a\u56fa\u6eb6\u5f37\u5316\u5143\u7d20\u306f\u3001\u8010\u30af\u30ea\u30fc\u30d7\u6027\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u8010\u30af\u30ea\u30fc\u30d7\u6027\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408 <b data-path-to-node=\"10\" data-index-in-node=\"231\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u30d5\u30ec\u30a2\u30b9\u30bf\u30c3\u30af\u3001\u30ac\u30b9\u30bf\u30fc\u30d3\u30f3\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3001\u71b1\u5206\u89e3\u30c1\u30e5\u30fc \u30d6\u306e\u5834\u5408\u3001600\u2103\u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3067\u306e\u7834\u65ad\u6642\u9593\u3092\u8a55\u4fa1\u3059\u308b \u5fc5\u8981\u304c\u3042\u308b\u3002\u5408\u91d1625\u306f\u512a\u308c\u305f\u75b2\u52b4\u5f37\u5ea6\u3068\u8010\u9178\u5316\u6027\u3092\u793a\u3059\u304c\u3001 650\u2103\u304b\u3089900\u2103\u306e\u7bc4\u56f2\u3067\u9577\u6642\u9593\u66b4\u9732\u3059\u308b\u3068\u3001\u6709\u5bb3\u306a \u91d1\u5c5e\u9593\u5316\u5408\u7269(\u30b7\u30b0\u30de\u76f8\u3084\u30df\u30e5\u30fc\u76f8\u306a\u3069)\u306e\u6790\u51fa\u306b\u3088\u308b\u8106 \u5316\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u9759\u7684\u306a <b data-path-to-node=\"10\" data-index-in-node=\"673\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u5ba4\u6e29\u3067\u306e\u52a3\u5316\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u306f\u6839\u672c\u7684\u306a\u6b20\u9665\u304c\u3042\u308a\u3001\u52d5\u7684\u306a\u9ad8\u6e29\u52a3\u5316\u30e2\u30c7\u30ea\u30f3\u30b0\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002.<\/p>\n<p data-path-to-node=\"11\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2789\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174.jpg\" alt=\"H2S\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u8cea\u306e\u6bd4\u8f03\u304c\u5fc5\u8981\" width=\"1200\" height=\"896\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-300x224.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-1024x765.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-768x573.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-16x12.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p data-path-to-node=\"12\">\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u6b63\u3057\u3044\u51b6\u91d1\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306e\u8907\u96d1\u306a\u4f5c\u696d\u3067\u3042\u308b\u3002\u7406\u8ad6\u7684\u306a\u5316\u5b66\u7684\u6027\u8cea\u3060\u3051\u306b\u983c\u308b\u3068\u3001\u63ee\u767a\u6027\u306e\u6d41\u91cf\u3084\u6e29\u5ea6\u30b9\u30d1\u30a4\u30af\u306b\u5bfe\u51e6\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30fb\u30c1\u30fc\u30e0\u3092\u60d1\u308f\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u9069\u5207\u306a <b data-path-to-node=\"12\" data-index-in-node=\"227\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b> \u306f\u3001\u751f\u306e\u5b9f\u9a13\u5ba4\u30c7\u30fc\u30bf\u3068\u73fe\u5834\u3067\u5b9f\u8a3c\u3055\u308c\u305f\u4fe1\u983c\u6027\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3082\u306e\u3067\u3059\u300228Nickel\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306f\u3001\u304a\u5ba2\u69d8\u306e\u6b63\u78ba\u306a\u6d41\u4f53\u7d44\u6210\u3001\u5727\u529b\u5b9a\u683c\u3001\u71b1\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u5408\u308f\u305b\u305f\u6df1\u3044\u51b6\u91d1\u5b66\u7684\u8a55\u4fa1\u3092\u7a4d\u6975\u7684\u306b\u652f\u63f4\u3057\u307e\u3059\u3002\u73fe\u5728\u306e\u6750\u6599\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u65b0\u3057\u3044\u9ad8\u8150\u98df\u6027\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5c02\u7528\u306e\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3068\u6b63\u78ba\u306a\u6750\u6599\u9078\u629e\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u5f97\u308b\u305f\u3081\u306b\u3001\u4eca\u3059\u3050\u5f53\u793e\u306e\u6750\u6599\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u304a\u5ba2\u69d8\u306e\u64cd\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h3 data-path-to-node=\"13\">\u95a2\u9023Q&amp;A<\/h3>\n<p data-path-to-node=\"14\"><b data-path-to-node=\"14\" data-index-in-node=\"0\">Q1: \u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\uff08W\uff09\u306e\u5b58\u5728\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6750\u6599\u6bd4\u8f03\u306e\u7d50\u679c\u3092\u3069\u306e\u3088\u3046\u306b\u5909\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/b><\/p>\n<p data-path-to-node=\"14\">A: \u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u306f\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u540c\u69d8\u306b\u5c40\u90e8\u7684\u306a\u8010\u98df\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u304c\u3001\u3088\u308a\u91cd\u304f\u3001\u9ad8\u6e29\u3067\u306e\u56fa\u6eb6\u4f53\u306e\u5b89\u5b9a\u5316\u306b\u52b9\u679c\u7684\u3067\u3059\u3002\u307e\u305f <b data-path-to-node=\"14\" data-index-in-node=\"283\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6750\u6599\u306e\u6bd4\u8f03<\/b>, C-276\u306e\u3088\u3046\u306a\u5408\u91d1\u306f\u3001\u53b3\u3057\u3044\u9178\u5316\u30fb\u9084\u5143\u74b0\u5883\u3067\u306e\u5b54\u98df\u3084\u9699\u9593\u8150\u98df\u3092\u3055\u3089\u306b\u6291\u5236\u3059\u308b\u305f\u3081\u306bW\uff08\u901a\u5e383\uff5e4.5%\uff09\u3092\u5229\u7528\u3057\u3001PREN\u5f0f\u306bW\u3092\u542b\u3081\u308b\u3088\u3046\u4fc3\u3057\u3066\u3044\u308b\uff08PREN=%Cr+3.3(%Mo+0.5%W)+16%N\uff09\u3002.<\/p>\n<p data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">Q2: PREN\u304c\u4f4e\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u7528\u9014\u3067\u5408\u91d1825\u304c\u5408\u91d1625\u3088\u308a\u597d\u307e\u308c\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/b><\/p>\n<p data-path-to-node=\"15\">A: \u5408\u91d1625\u306f\u8010\u5b54\u98df\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5408\u91d1825\u306f\u786b\u9178\u3084\u30ea\u30f3\u9178\u306b\u8010\u3048\u308b\u3088\u3046\u3001Ni\u3001Fe\u3001Cr\u3001Cu\u306e\u6b63\u78ba\u306a\u30d0\u30e9\u30f3\u30b9\u3067\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9244\u306e\u542b\u6709\u91cf\u304c\u9ad8\u3044\u305f\u3081\u3001\u6975\u7aef\u306a\u5869\u5316\u7269\u5b54\u98df\u304c\u4e3b\u306a\u7834\u640d\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u306f\u306a\u304f\u3001\u4e00\u822c\u7684\u306a\u9178\u6027\u8150\u98df\u3084SCC\u304c\u4e3b\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3042\u308b\u7279\u5b9a\u306eNACE\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u975e\u5e38\u306b\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Q3\uff1a\u71b1\u5f71\u97ff\u90e8\uff08HAZ\uff09\u3067\u306e\u611f\u4f5c\u306b\u3088\u3063\u3066\u3001\u521d\u671f\u306e\u6750\u6599\u6bd4\u8f03\u304c\u7121\u52b9\u306b\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/b><\/p>\n<p data-path-to-node=\"16\">A: \u3082\u3061\u308d\u3093\u3067\u3059\u3002\u5408\u91d1\u306f\u66f8\u985e\u4e0a\u5b8c\u74a7\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e0d\u9069\u5207\u306a\u6eb6\u63a5\u5165\u71b1\u306b\u3088\u3063\u3066\u7d50\u6676\u7c92\u754c\u306b\u70ad\u5316\u30af\u30ed\u30e0\u304c\u6790\u51fa\u3057\u3001\u4f7f\u7528\u4e2d\u306b\u6025\u901f\u306a\u7c92\u754c\u8150\u98df\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002C-276\u3084625\u306e\u3088\u3046\u306a\u5408\u91d1\u306f\u3001HAZ\u306e\u92ed\u654f\u5316\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u6eb6\u63a5\u3055\u308c\u305f\u307e\u307e\u306e\u69cb\u9020\u3092\u9ad8\u8010\u98df\u6027\u306b\u4fdd\u3064\u305f\u3081\u306b\u3001\u6975\u3081\u3066\u4f4e\u3044\u70ad\u7d20\u3068\u5b89\u5b9a\u5316\u5143\u7d20\u3067\u914d\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Engineers operating in aggressive sour gas environments or offshore platforms face a constant battle against localized corrosion. When standard 316L austenitic stainless steel starts exhibiting chloride-induced stress corrosion cracking (SCC), upgrading the metallurgy becomes non-negotiable. However, selecting the precise grade requires a rigorous nickel alloy material comparison to prevent premature catastrophic failure. Choosing blindly based on basic datasheets often leads to underperformance in multi-variable corrosive streams. This article dives deep into the metallurgical realities, focusing on the specific chemical and mechanical properties that dictate survivability in the most severe industrial applications. Key Metrics in a Nickel Alloy Material Comparison The foundation of any robust nickel alloy material comparison lies in [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2789,"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-2787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1773025422:1"],"_edit_last":["1"],"rank_math_seo_score":["77"],"rank_math_description":["Cracking under H2S stress? Our nickel alloy material comparison reveals critical PREN data. See which grade actually survives."],"rank_math_focus_keyword":["nickel alloy material comparison"],"_thumbnail_id":["2789"],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:32:\"nickel alloy material comparison\";}"],"rank_math_internal_links_processed":["1"],"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:\"1777019846\";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-2787.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174.jpg",1200,896,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-300x224.jpg",300,224,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-768x573.jpg",768,573,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-1024x765.jpg",1024,765,true],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174.jpg",1200,896,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174.jpg",1200,896,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/174-16x12.jpg",16,12,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/ja\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Engineers operating in aggressive sour gas environments or offshore platforms face a constant battle against localized corrosion. When standard 316L austenitic stainless steel starts exhibiting chloride-induced stress corrosion cracking (SCC), upgrading the metallurgy becomes non-negotiable. However, selecting the precise grade requires a rigorous nickel alloy material comparison to prevent premature catastrophic failure. Choosing blindly based&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2787","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=2787"}],"version-history":[{"count":1,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2787\/revisions"}],"predecessor-version":[{"id":2790,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2787\/revisions\/2790"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/2789"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=2787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=2787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=2787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}