{"id":2874,"date":"2026-03-17T07:40:41","date_gmt":"2026-03-17T06:40:41","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2874"},"modified":"2026-03-17T07:50:41","modified_gmt":"2026-03-17T06:50:41","slug":"nickel-alloy-supplier-for-oil-and-gas","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/nickel-alloy-supplier-for-oil-and-gas\/","title":{"rendered":"\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u8a55\u4fa1\uff1f"},"content":{"rendered":"

\u786b\u5316\u6c34\u7d20(H2S)\u3084\u5869\u5316\u7269\u30ec\u30d9\u30eb\u304c\u4e0a\u6607\u3059\u308b\u9ad8\u5727\u9ad8\u6e29(HPHT)\u74b0\u5883\u3067\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6750\u6599\u306e\u9078\u629e\u306f\u5358\u306a\u308b\u597d\u307f\u3067\u306f\u306a\u304f\u3001\u91cd\u8981\u306a\u5b89\u5168\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u3059\u3002\u7279\u6b8a\u306a \u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc<\/a> 28Nickel\u306e\u30c1\u30fc\u30e0\u306f\u3001\u786b\u5316\u7269\u5fdc\u529b\u5272\u308c(SSC)\u3084\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c(CSCC)\u306b\u60a9\u3080\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u304b\u3089\u983b\u7e41\u306b\u76f8\u8ac7\u3092\u53d7\u3051\u307e\u3059\u3002\u9069\u5207\u306a\u51b6\u91d1\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u4e88\u671f\u305b\u306c\u81f4\u547d\u7684\u306a\u6545\u969c\u3068\u4e88\u6e2c\u53ef\u80fd\u306a\u6570\u5341\u5e74\u306e\u8010\u7528\u5e74\u6570\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001UNS N07718\uff08\u5408\u91d1718\uff09\u3068UNS N06625\uff08\u5408\u91d1625\uff09\u306e\u6a5f\u68b0\u7684\u306a\u5229\u70b9\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u305f\u3081\u306b\u3001\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3067\u3042\u308b\u5f53\u793e\u306b\u3088\u304f\u554f\u3044\u5408\u308f\u305b\u3092\u3057\u307e\u3059\u3002\u4e21\u8005\u3068\u3082\u975e\u5e38\u306b\u9ad8\u6027\u80fd\u3067\u3059\u304c\u3001\u5fae\u7d30\u69cb\u9020\u306e\u5f37\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5927\u304d\u304f\u7570\u306a\u308b\u7528\u9014\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u5408\u91d1718\u306f\u3001\u30cb\u30aa\u30d6\u3068\u30c1\u30bf\u30f3\u306e\u6dfb\u52a0\u306b\u3088\u308b\u6790\u51fa\u786c\u5316\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3001\u30ac\u30f3\u30de\u30c0\u30d6\u30eb\u30d7\u30e9\u30a4\u30e0(\u03b3<\/span>\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)\u3068\u30ac\u30f3\u30de\u30d7\u30e9\u30a4\u30e0(\u03b3<\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)\u76f8\u3067\u3042\u308b\u3002\u3053\u306e\u8907\u96d1\u306a\u5fae\u7d30\u69cb\u9020\u306b\u3088\u308a\u3001\u6700\u5c0f\u964d\u4f0f\u5f37\u5ea6\u306f 120ksi\u3068\u306a\u308a\u3001\u5730\u4e0b\u306e\u5b89\u5168\u5f01\u3001\u30cf\u30f3\u30ac\u30fc\u3001\u9ad8\u5fdc\u529b\u306e\u30c0\u30a6\u30f3 \u30db\u30fc\u30eb\u5de5\u5177\u306b\u4e0d\u53ef\u6b20\u306a\u6750\u6599\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u9006\u306b\u3001\u5408\u91d1625\u306f\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u30cb\u30aa\u30d6\u306e\u56fa\u6eb6\u5f37 \u5316\u306b\u3088\u3063\u3066\u5f37\u976d\u306a\u5f37\u5ea6\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3002\u57fa\u672c\u7684\u306a\u964d\u4f0f\u5f37\u5ea6\u306f718\u3088\u308a\u3082\u4f4e\u3044\u3082\u306e\u306e\u3001\u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570\uff08PREN\uff09\u304c45\u3092\u8d85\u3048\u308b\u3053\u3068\u3082\u3042\u308b\u5353\u8d8a\u3057\u305f\u8010\u5c40\u90e8\u8150\u98df\u6027\u306f\u3001\u6975\u7aef\u306a\u5869\u5316\u7269\u6fc3\u5ea6\u306b\u66dd\u3055\u308c\u308b\u30d5\u30ed\u30fc\u30e9\u30a4\u30f3\u3084\u30af\u30e9\u30c3\u30c9\u306b\u57fa\u672c\u7684\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\"\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u8a55\u4fa1\uff1f\"<\/p>\n

\u5751\u5185\u7269\u8cea\u306e\u5b8c\u5168\u6027\u3068\u76f8\u5b89\u5b9a\u6027<\/h3>\n

\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u306b\u5b9a\u8a55\u306e\u3042\u308b\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u6307\u5b9a\u3055\u308c\u305fPREN\u5024\u3068\u6a5f\u68b0\u7684\u7279\u6027\u304c\u3001\u53b3\u683c\u306a\u6a19\u6e96\u5316\u3055\u308c\u305f\u8a66\u9a13\u306b\u3088\u3063\u3066\u53b3\u5bc6\u306b\u691c\u8a3c\u3055\u308c\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u5f53\u793e\u3067\u306f\u3001\u57fa\u672c\u7684\u306a\u5f15\u5f35\u5f37\u3055\u3060\u3051\u3067\u306a\u304f\u3001ASTM G48\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3001\u8010\u5b54\u98df\u6027\u3068\u8010\u9699\u9593\u8150\u98df\u6027\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6709\u5bb3\u306a\u30c8\u30dd\u30ed\u30b8\u30ab\u30eb\u30fb\u30af\u30ed\u30fc\u30ba\u30d1\u30c3\u30af\uff08TCP\uff09\u76f8\u306e\u6790\u51fa\u3092\u9632\u3050\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u8d85\u5408\u91d1\u306e\u9577\u671f\u76f8\u5b89\u5b9a\u6027\u3092\u5b9a\u671f\u7684\u306b\u5206\u6790\u3057\u3066\u3044\u307e\u3059\u3002\u30b7\u30b0\u30de(\u03c3<\/span><\/span><\/span><\/span><\/span>)\u3068\u30df\u30e5\u30fc(\u03bc<\/span><\/span><\/span><\/span><\/span>)\u76f8\u306f\u3001\u9577\u6642\u9593\u306e\u9ad8\u6e29\u5751\u5185\u4f7f\u7528\u4e2d\u306b\u885d\u6483\u976d\u6027\u3068\u8010\u98df\u6027\u306e\u4e21\u65b9\u3092\u8457\u3057\u304f\u52a3\u5316\u3055\u305b\u3001\u65e9\u671f\u306e\u69cb\u9020\u75b2\u52b4\u306b\u3064\u306a\u304c\u308b\u3002.<\/p>\n\n\n\n\n\n\n\n\n
\u5408\u91d1\u6307\u5b9a<\/strong><\/td>\nUNS\u756a\u53f7<\/strong><\/td>\n\u964d\u4f0f\u5f37\u3055\uff08ksi\uff09<\/strong><\/td>\nPREN<\/strong><\/td>\n\u4e00\u6b21\u5f37\u5316\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong><\/td>\n\u5178\u578b\u7684\u306a\u30c0\u30a6\u30f3\u30db\u30fc\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u5408\u91d1718<\/span><\/td>\nN07718<\/span><\/td>\n120 – 150<\/span><\/td>\n\u2265 40<\/span><\/td>\n\u6790\u51fa\u786c\u5316<\/span><\/td>\n\u5730\u4e0b\u5b89\u5168\u5f01\u3001\u5751\u53e3\u90e8\u54c1<\/span><\/td>\n<\/tr>\n
\u30a2\u30ed\u30a4625<\/span><\/td>\nN06625<\/span><\/td>\n60 – 100<\/span><\/td>\n\u2265 45<\/span><\/td>\n\u30bd\u30ea\u30c3\u30c9\u30fb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30c6\u30a3\u30d5\u30cb\u30f3\u30b0<\/span><\/td>\n\u30af\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3001\u71b1\u4ea4\u63db\u5668\u3001\u6975\u7aef\u306a\u30d5\u30ed\u30fc\u30e9\u30a4\u30f3<\/span><\/td>\n<\/tr>\n
\u30a2\u30ed\u30a4825<\/span><\/td>\nN08825<\/span><\/td>\n35 – 65<\/span><\/td>\n\u2265 31<\/span><\/td>\n\u30bd\u30ea\u30c3\u30c9\u30fb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30c6\u30a3\u30d5\u30cb\u30f3\u30b0<\/span><\/td>\n\u6a19\u6e96\u30c1\u30e5\u30fc\u30d6\u3001\u30b5\u30fc\u30d5\u30a7\u30b9\u30fb\u30ae\u30e3\u30b6\u30ea\u30f3\u30b0\u30fb\u30e9\u30a4\u30f3<\/span><\/td>\n<\/tr>\n
\u5408\u91d1925<\/span><\/td>\nN09925<\/span><\/td>\n105 – 120<\/span><\/td>\n\u2265 32<\/span><\/td>\n\u6790\u51fa\u786c\u5316<\/span><\/td>\n\u9ad8\u5f37\u5ea6\u30c4\u30fc\u30eb\u30b8\u30e7\u30a4\u30f3\u30c8\u3001\u5b8c\u6210\u88c5\u7f6e<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u71b1\u529b\u5b66\u306e\u6b74\u53f2\u3068\u6cb9\u4e95\u7ba1\u52a0\u5de5\u529b\u5b66<\/h3>\n

Beyond base chemistry, understanding the exact thermomechanical history of the material is paramount for downhole integrity. Many procurement teams fail to realize that extensive cold working, while excellent for increasing yield strength, can drastically alter a material’s susceptibility to hydrogen embrittlement (HE). As a specialized nickel alloy supplier for oil and gas, we actively monitor the grain structure and dislocation density of our raw materials. In sour service environments, the cathodic reaction produces atomic hydrogen, which diffuses into the metal lattice and accumulates at internal traps, such as grain boundaries or precipitate interfaces. If a high-strength material is over-cold-worked without proper subsequent stress-relief annealing, the residual internal stress acts as a direct catalyst for catastrophic hydrogen embrittlement.<\/p>\n

\u3055\u3089\u306b\u3001\u3053\u308c\u3089\u306e\u8d85\u5408\u91d1\u306e\u88fd\u9020\u306f\u3001\u975e\u5e38\u306b\u7279\u6b8a\u306a\u5de5\u5b66\u7684\u8ab2\u984c\u3092\u63d0\u793a\u3057\u3066\u3044\u308b\u3002\u30cb\u30c3\u30b1\u30eb\u30d9\u30fc\u30b9\u306e\u6750\u6599\u306f\u3001\u53b3\u3057\u3044\u3072\u305a\u307f\u786c\u5316 \u7387\u3068\u975e\u5e38\u306b\u4f4e\u3044\u71b1\u4f1d\u5c0e\u7387\u3092\u793a\u3057\u307e\u3059\u3002\u6280\u8853\u7684\u306b\u719f\u7df4\u3057\u305f\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u5358\u306b\u30d0\u30eb\u30af\u6750\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6700\u9069\u306a\u5207\u524a\u901f\u5ea6\u3001\u9001\u308a\u901f\u5ea6\u3001\u52a0\u5de5\u6bb5\u968e\u3067\u306e\u8868\u9762\u306e\u8276\u51fa\u3057\u3084\u30de\u30a4\u30af\u30ed\u30af\u30e9\u30c3\u30af\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u7279\u5b9a\u306e\u30af\u30fc\u30e9\u30f3\u30c8\u6226\u7565\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u7d4c\u9a13\u7684\u30c7\u30fc\u30bf\u3082\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6cb9\u4e95\u7ba1(OCTG)\u63a5\u7d9a\u90e8\u306e\u8907\u96d1\u306a\u306d\u3058\u5207\u308a\u52a0\u5de5\u4e2d\u306b\u30de\u30a4\u30af\u30ed\u30af\u30e9\u30c3\u30af\u304c\u4f1d\u64ad\u3059\u308b\u3068\u3001\u6fc0\u3057\u3044\u5751\u5185\u5727\u529b\u306e\u4e0b\u3067\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u5168\u4f53\u306e\u6a5f\u68b0\u7684\u5b8c\u5168\u6027\u304c\u7d76\u671b\u7684\u306b\u640d\u306a\u308f\u308c\u307e\u3059\u3002.<\/p>\n

\u307e\u305f\u3001\u6975\u9650\u306e\u5730\u8cea\u74b0\u5883\u3092\u5206\u6790\u3059\u308b\u969b\u306b\u306f\u3001\u6a19\u6e96\u7684\u306a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u67a0\u3092\u8d85\u3048\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u3057\u3066\u3001CO2\u3084H2S\u306e\u5751\u5185\u5206\u5727\u304c\u4e88\u6e2c\u4e0d\u53ef\u80fd\u306b\u5909\u52d5\u3059\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002\u5c40\u6240\u7684\u306a\u9ad8\u6e29\u306f\u3001\u30a2\u30ce\u30fc\u30c9\u6eb6\u89e3\u306e\u901f\u5ea6\u3092\u6307\u6570\u95a2\u6570\u7684\u306b\u5897\u52a0\u3055\u305b\u307e\u3059\u3002\u6e29\u5ea6\u304c200\u2103\u3092\u8d85\u3048\u308b\u3088\u3046\u306a\u82db\u9177\u306a\u74b0\u5883\u3067\u306f\u3001\u5143\u7d20\u72b6\u786b\u9ec4\u3068\u76f8\u4fdf\u3063\u3066\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u542b\u6709\u91cf\u304c\u4f4e\u3044Alloy 825\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306f\u3001\u51b6\u91d1\u5b66\u7684\u306b\u91cd\u5927\u306a\u8aa4\u7b97\u3068\u306a\u308a\u307e\u3059\u300216%\u306e\u30e2\u30ea\u30d6\u30c7\u30f3\u306865\u3092\u8d85\u3048\u308bPREN\u3092\u7279\u5fb4\u3068\u3059\u308b\u5408\u91d1C-276\uff08UNS N10276\uff09\u306e\u3088\u3046\u306a\u9ad8\u5408\u91d1\u56fa\u6eb6\u4f53\u30b0\u30ec\u30fc\u30c9\u3078\u306e\u79fb\u884c\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6280\u8853\u306b\u7cbe\u901a\u3057\u305f\u30b5\u30d7 \u30e9\u30a4\u30e4\u30fc\u3068\u63d0\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u3088\u3046\u306a\u7d76\u5bfe\u7684\u306a\u51b6\u91d1\u7684 \u9650\u754c\u3092\u73fe\u5834\u5c55\u958b\u306e\u306f\u308b\u304b\u524d\u306b\u4e88\u6e2c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\"\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u8a55\u4fa1\uff1f\"<\/p>\n

\u7d50\u8ad6<\/h3>\n

\u904e\u9177\u306a\u4e0a\u6d41\u74b0\u5883\u306e\u305f\u3081\u306e\u6750\u6599\u4ed5\u69d8\u306f\u3001\u6b63\u78ba\u306a\u30ea\u30b9\u30af\u8efd\u6e1b\u306e\u8a13\u7df4\u3067\u3042\u308b\u3002\u5fae\u7d30\u69cb\u9020\u306f\u3001\u6cb9\u5c64\u7279\u6709\u306e\u74b0\u5883\u5371\u967a\u6027\u306b\u5b8c\u74a7\u306b\u9069\u5408\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u306e\u77e5\u8b58\u8c4a\u5bcc\u306a\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8\u9580\u306e\u76f4\u63a5\u7684\u306a\u5ef6\u9577\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u5fc5\u8981\u306a\u51b6\u91d1\u5b66\u7684\u30c7\u30fc\u30bf\u3001\u76f8\u5206\u6790\u3001\u75b2\u52b4\u9650\u5ea6\u3092\u63d0\u4f9b\u3057\u3001\u304a\u5ba2\u69d8\u306e\u8a2d\u8a08\u3092\u5305\u62ec\u7684\u306b\u691c\u8a3c\u3057\u307e\u3059\u3002\u73fe\u5728\u306e\u5751\u53e3\u3084\u5751\u4e95\u306e\u8a2d\u8a08\u304c\u65e2\u5b58\u306e\u6750\u6599\u4ed5\u69d8\u306e\u9650\u754c\u3092\u8d85\u3048\u3066\u3044\u308b\u5834\u5408\u300128Nickel\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u304c\u304a\u5ba2\u69d8\u306e\u74b0\u5883\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u691c\u8a0e\u3057\u3001\u6700\u9069\u306a\u51b6\u91d1\u7d4c\u8def\u3092\u63d0\u6848\u3044\u305f\u3057\u307e\u3059\u3002\u6b21\u306e\u8907\u96d1\u306aHPHT\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3064\u3044\u3066\u6df1\u304f\u6398\u308a\u4e0b\u3052\u305f\u3054\u76f8\u8ac7\u306f\u3001\u5f53\u793e\u306e\u6280\u8853\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002.<\/p>\n

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

Q1\uff1aNACE MR0175\u306b\u6e96\u62e0\u3057\u305f\u30b5\u30ef\u30fc\u30ac\u30b9\u74b0\u5883\u306b\u5fc5\u8981\u306aPREN\u306e\u6700\u5c0f\u5024\u306f\uff1f<\/b><\/p>\n

A1\uff1aNACE MR0175\/ISO 15156\u306f\u3001\u3059\u3079\u3066\u306e\u9178\u3063\u3071\u3044\u74b0\u5883\u306b\u5bfe\u3059\u308b\u5358\u4e00\u306e\u666e\u904d\u7684\u306a\u6700\u5c0fPREN\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u304c\u3001\u5c40\u6240\u7684\u306a\u5b54\u98df\u3084\u9699\u9593\u8150\u98df\u306b\u5bfe\u3059\u308b\u5341\u5206\u306a\u8010\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u9ad8\u6fc3\u5ea6\u306eH2S\u3084\u5869\u5316\u7269\u306b\u5bfe\u3057\u3066\u306f\u4e00\u822c\u306b40\u3092\u8d85\u3048\u308bPREN\u304c\u8981\u6c42\u3055\u308c\u308b\u3002.<\/p>\n

Q2: How does the precipitation of the gamma double-prime phase affect Alloy 718’s corrosion resistance?<\/b><\/p>\n

A2: \u964d\u6c34\u91cf \u03b3<\/span>\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> (Ni3Nb\uff09\u306f\u3001\u5408\u91d1718\u306e120ksi\u3092\u8d85\u3048\u308b\u964d\u4f0f\u5f37\u5ea6\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u904e\u5ea6\u306e\u6642\u52b9\u51e6\u7406\u306b\u3088\u308a\u3001\u30cb\u30aa\u30d6\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u5143\u7d20\u304c\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u304b\u3089\u6e1b\u5c11\u3057\u3001\u5b8c\u5168\u306b\u713c\u920d\u3055\u308c\u305f\u56fa\u6eb6\u4f53\u5408\u91d1\u3068\u6bd4\u8f03\u3057\u3066\u3001\u5c40\u90e8\u7684\u306a\u8010\u98df\u6027\u304c\u82e5\u5e72\u4f4e\u4e0b\u3057\u307e\u3059\u3002.<\/p>\n

Q3: \u306a\u305c\u9ad8\u6e29\u306e\u5143\u7d20\u72b6\u786b\u9ec4\u74b0\u5883\u3067\u306f\u5408\u91d1 C-276 \u304c\u5408\u91d1 825 \u3088\u308a\u3082\u597d\u307e\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/b><\/p>\n

A3\uff1a\u5143\u7d20\u72b6\u786b\u9ec4\u306f\u9ad8\u6e29\uff08200\u2103\u4ee5\u4e0a\uff09\u3067\u30a2\u30ce\u30fc\u30c9\u6eb6\u89e3\u3092\u8457\u3057\u304f\u4fc3\u9032\u3059\u308b\u300216%\u306e\u30e2\u30ea\u30d6\u30c7\u30f3\u30684%\u306e\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3092\u542b\u3080\u5408\u91d1C-276\u306f\u3001\u5408\u91d1825(3%\u306e\u30e2\u30ea\u30d6\u30c7\u30f3\u3057\u304b\u542b\u307e\u306a\u3044)\u3088\u308a\u3082\u8457\u3057\u304f\u5b89\u5b9a\u3057\u305f\u4e0d\u52d5\u614b\u9178\u5316\u5c64\u3092\u63d0\u4f9b\u3057\u3001\u6025\u901f\u306a\u7c92\u754c\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When operating in High-Pressure, High-Temperature (HPHT) environments with elevated hydrogen sulfide (H2S) and chloride levels, material selection is not just a preference; it is a critical safety parameter. As a specialized nickel alloy supplier for oil and gas, our team at 28Nickel frequently consults with engineering teams struggling with sulfide stress cracking (SSC) and chloride stress corrosion cracking (CSCC). Choosing the right metallurgical partner can bridge the gap between an unexpected catastrophic failure and a predictable, decades-long service life. Engineers often approach us, their nickel alloy supplier for oil and gas, weighing the mechanical benefits of UNS N07718 (Alloy 718) against UNS N06625 (Alloy 625). Both are highly capable, yet […]<\/p>","protected":false},"author":1,"featured_media":2875,"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-2874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1773730104:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["71"],"rank_math_focus_keyword":["nickel alloy supplier for oil and gas"],"rank_math_description":["H2S destroys standard steels. A technical nickel alloy supplier for oil and gas prevents catastrophic failures. Discover our material logic."],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:37:\"nickel alloy supplier for oil and gas\";}"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"rank_math_og_content_image":["a:2:{s:5:\"check\";s:32:\"f7dfdbb6ce87d054e3c69a396d36893e\";s:6:\"images\";a:1:{i:0;i:2875;}}"],"_thumbnail_id":["2875"],"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:\"1775911551\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_elementor_page_assets":["a:0:{}"],"_uag_css_file_name":["uag-css-2874.css"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215.jpg",1024,765,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215-300x224.jpg",300,224,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215-768x574.jpg",768,574,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215.jpg",1024,765,false],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215.jpg",1024,765,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215.jpg",1024,765,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/215-16x12.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":"When operating in High-Pressure, High-Temperature (HPHT) environments with elevated hydrogen sulfide (H2S) and chloride levels, material selection is not just a preference; it is a critical safety parameter. As a specialized nickel alloy supplier for oil and gas, our team at 28Nickel frequently consults with engineering teams struggling with sulfide stress cracking (SSC) and chloride…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2874","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=2874"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2874\/revisions"}],"predecessor-version":[{"id":2878,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2874\/revisions\/2878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/2875"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=2874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=2874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=2874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}