{"id":2796,"date":"2026-03-09T04:31:10","date_gmt":"2026-03-09T03:31:10","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2796"},"modified":"2026-03-09T04:31:19","modified_gmt":"2026-03-09T03:31:19","slug":"nickel-alloy-selection-for-chemical-processing","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/nickel-alloy-selection-for-chemical-processing\/","title":{"rendered":"\u5316\u5b66\u51e6\u7406\u30bf\u30f3\u30af\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e"},"content":{"rendered":"

\u5316\u5b66\u30d7\u30e9\u30f3\u30c8\u306f\u3001\u975e\u5e38\u306b\u904e\u9177\u306a\u74b0\u5883\u3067\u7a3c\u52d5\u3057\u3066\u3044\u307e\u3059\u3002\u5b54\u98df\u3001\u9699\u9593\u8150\u98df\u3001\u5fdc\u529b\u8150\u98df\u5272\u308c (SCC) \u306f\u3001\u7d99\u7d9a\u7684\u306a\u64cd\u696d\u306b\u5bfe\u3059\u308b\u7d76\u3048\u9593\u306a\u3044\u8105\u5a01\u3067\u3042\u308b\u3002\u6cb8\u9a30\u786b\u9178\u3084\u9ad8\u6e29\u306e\u5869\u5316\u7269\u6eb6\u6db2\u306e\u3088\u3046\u306a\u4fb5\u98df\u6027\u306e\u9ad8\u3044\u5a92\u4f53\u306b\u5bfe\u51e6\u3059\u308b\u5834\u5408\u3001\u6a19\u6e96\u7684\u306a\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u5358\u7d14\u306b\u7834\u640d\u3057\u307e\u3059\u3002\u3053\u308c\u3053\u305d\u3001\u5316\u5b66\u51e6\u7406\u7528\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6b63\u78ba\u306a\u9078 \u629e\u304c\u91cd\u8981\u306a\u6280\u8853\u7684\u8981\u4ef6\u3068\u306a\u308b\u5834\u9762\u3067\u3042\u308b\u3002\u3053\u308c\u3092\u6b63\u3057\u304f\u884c\u3046\u3053\u3068\u304c\u3001\u539f\u5b50\u7089\u5bb9\u5668\u306e \u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u5de6\u53f3\u3059\u308b\u3002\u30cf\u30ed\u30b2\u30f3\u5316\u7269\u30a4\u30aa\u30f3\u306e\u5b58\u5728\u306f\u3001\u6750\u6599\u4ed5\u69d8\u3092\u8457\u3057\u304f \u8907\u96d1\u306b\u3059\u308b\u3002\u7c92\u754c\u3084\u5806\u7a4d\u7269\u306e\u4e0b\u3067\u3001\u5c40\u6240\u7684\u306a\u653b\u6483\u304c\u59cb\u307e\u308b\u306e\u3092\u3088\u304f\u76ee\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u5316\u5b66\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u306f\u3001\u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570(PREN)\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u306e\u3088\u3046\u306a\u30e2\u30ea\u30d6\u30c7\u30f3\u3084\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3092\u591a\u304f\u542b\u3080\u5408\u91d1\u306f\u3001\u8010\u5b54\u98df\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002 \u30cf\u30b9\u30c6\u30ed\u30a4 C-276<\/a> (UNS N10276)\u304c\u5353\u8d8a\u3057\u305f\u8010\u6027\u3092\u63d0\u4f9b\u3059\u308b\u3002\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u5869\u5316\u7269\u30a4\u30aa\u30f3\u306e\u4fb5\u5165\u306b\u5bfe\u3057\u3066\u4e0d\u52d5\u614b\u76ae\u819c\u3092\u5b89\u5b9a\u3055\u305b\u307e\u3059\u3002\u9006\u306b\u3001\u5869\u5316\u6c34\u7d20\u306e\u3088\u3046\u306a\u9084\u5143\u6027\u306e\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u9285\u306e\u542b\u6709\u91cf\u304c\u9ad8\u3044Alloy400(UNS N04400)\u304c\u512a\u308c\u305f\u71b1\u529b\u5b66\u7684\u5b89\u5b9a\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u52a3\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u591a\u69d8\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u5316\u5b66\u51e6\u7406\u7528\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u306f\u3001\u4e00\u822c\u7684\u306a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u7279\u5b9a\u306e\u30a4\u30aa\u30f3\u7a2e\u3001\u6e29\u5ea6\u52fe\u914d\u3001\u30d7\u30ed\u30bb\u30b9\u6d41\u5185\u306e\u6d41\u901f\u3092\u53b3\u5bc6\u306b\u5206\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\"\u5316\u5b66\u51e6\u7406\u30bf\u30f3\u30af\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\"<\/p>\n

\u5408\u91d1\u9078\u629e\u306b\u304a\u3051\u308b\u51b6\u91d1\u5b66\u7684\u5909\u5316<\/h2>\n

\u3053\u308c\u3089\u306e\u9078\u629e\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u308b\u57fa\u672c\u7684\u306a\u5316\u5b66\u7684\u6027\u8cea \u3092\u898b\u3066\u307f\u3088\u3046\u3002\u9ad8\u3044\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u306f\u3001300\u7cfb\u30b9\u30c6\u30f3\u30ec \u30b9\u92fc\u306e\u5f31\u70b9\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df \u5272\u308c\u3092\u76f4\u63a5\u6291\u5236\u3059\u308b\u3002\u30af\u30ed\u30e0\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u785d\u9178\u306a \u3069\u306e\u9178\u5316\u5264\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u5411\u4e0a\u3059\u308b\u3002\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u5b89\u5b9a\u6027\u304c\u6700\u3082\u91cd\u8981\u3067 \u3042\u308b\u3002\u5316\u5b66\u51e6\u7406\u7528\u306e\u4e0d\u9069\u5207\u306a\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u306f\u3001\u5fae\u91cf \u306e\u6c5a\u67d3\u7269\u8cea\u3092\u7121\u8996\u3059\u308b\u3053\u3068\u306b\u8d77\u56e0\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u5869\u9178\u306e\u6d41\u308c\u306b\u542b\u307e\u308c\u308b\u5fae\u91cf\u306e\u7b2c\u4e8c\u9244\u30a4\u30aa\u30f3\u306f\u3001\u77ac\u6642\u306b\u74b0\u5883\u3092\u9084\u5143\u6027\u304b\u3089\u9178\u5316\u6027\u3078\u3068\u5909\u5316\u3055\u305b\u3001\u305d\u308c\u307e\u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u305f\u30e2\u30ea\u30d6\u30c7\u30f3\u591a\u7528\u5408\u91d1\u3092\u7a81\u7136\u8106\u5f31\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n\n\n\n\n\n
\u5408\u91d1\u30b0\u30ec\u30fc\u30c9<\/strong><\/td>\nUNS\u6307\u5b9a<\/strong><\/td>\n\u30cb\u30c3\u30b1\u30eb\uff08%\uff09<\/strong><\/td>\nCr (%)<\/strong><\/td>\n\u30e2\u30ea\u30d6\u30c7\u30f3 (%)<\/strong><\/td>\nPREN\uff08\u7d04\uff09<\/strong><\/td>\n\u4e3b\u306a\u74b0\u5883\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\u5408\u91d1C-276<\/span><\/td>\nN10276<\/span><\/td>\n57.0<\/span><\/td>\n16.0<\/span><\/td>\n16.0<\/span><\/td>\n> 45<\/span><\/td>\n\u91cd\u5ea6\u306e\u6df7\u5408\u9178\u3001\u6c5a\u67d3\u5869\u5316\u7269<\/span><\/td>\n<\/tr>\n
\u30a2\u30ed\u30a4625<\/span><\/td>\nN06625<\/span><\/td>\n58.0<\/span><\/td>\n21.0<\/span><\/td>\n9.0<\/span><\/td>\n~ 40<\/span><\/td>\n\u5b54\u98df\u30fb\u9699\u9593\u8150\u98df\u74b0\u5883<\/span><\/td>\n<\/tr>\n
\u30a2\u30ed\u30a4825<\/span><\/td>\nN08825<\/span><\/td>\n42.0<\/span><\/td>\n21.5<\/span><\/td>\n3.0<\/span><\/td>\n~ 31<\/span><\/td>\n\u786b\u9178\u304a\u3088\u3073\u30ea\u30f3\u9178\u306e\u53d6\u308a\u6271\u3044<\/span><\/td>\n<\/tr>\n
\u30a2\u30ed\u30a4400<\/span><\/td>\nN04400<\/span><\/td>\n63.0<\/span><\/td>\n–<\/span><\/td>\n–<\/span><\/td>\n\u8a72\u5f53\u306a\u3057<\/span><\/td>\n\u30d5\u30c3\u5316\u6c34\u7d20\u9178\u3068\u8131\u6c17\u5869\u6c34<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u9ad8\u6e29\u52a3\u5316\u30e2\u30fc\u30c9<\/h2>\n

\u6c34\u7cfb\u8150\u98df\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u9ad8\u6e29\u30ac\u30b9\u53cd\u5fdc\u3082\u307e\u305f\u8907\u96d1\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002\u9178\u5316\u3001\u786b\u5316\u3001\u6d78\u70ad\u306f\u3001\u6a5f\u68b0\u7684\u5b8c\u5168\u6027\u3092\u6025\u901f\u306b\u52a3\u5316\u3055\u305b\u308b\u3002\u71b1\u5206\u89e3\u7089\u3084\u89e6\u5a92\u518d\u751f\u7089\u306e\u5185\u90e8\u69cb\u9020\u3092\u8a2d\u8a08\u3059\u308b\u5834 \u5408\u3001\u5316\u5b66\u51e6\u7406\u7528\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u306f\u3001\u70ad\u5316\u7269 \u5f62\u6210\u5264\u3068\u30a2\u30eb\u30df\u30ca\u307e\u305f\u306f\u30af\u30ed\u30df\u30a2\u306e\u30b9\u30b1\u30fc\u30eb\u5b89\u5b9a\u5316\u306b \u7126\u70b9\u3092\u79fb\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u5408\u91d1600 (UNS N06600)\u306f\u3001540\u2103\u307e \u3067\u306e\u9ad8\u6e29\u306e\u4e7e\u71e5\u5869\u7d20\u4e2d\u3067\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059 \u308b\u304c\u3001\u786b\u9ec4\u7a2e\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u306f\u786b\u5316\u306e\u30ea \u30b9\u30af\u304c\u751f\u3058\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u6df7\u5408\u30ac\u30b9\u74b0\u5883\u3067\u306f\u3001\u30af\u30ed\u30e0\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306e\u6b63\u78ba\u306a\u30d0\u30e9\u30f3\u30b9\u304c\u6c7a\u3081\u624b\u3068\u306a\u308b\u3002.<\/p>\n

\u30d5\u30a1\u30d6\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5f71\u97ff<\/h3>\n

\u5316\u5b66\u51e6\u7406\u6226\u7565\u306e\u305f\u3081\u306b\u6700\u3082\u53b3\u5bc6\u306b\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3092\u9078 \u629e\u3057\u3066\u3082\u3001\u4e0d\u9069\u5207\u306a\u52a0\u5de5\u6280\u8853\u306b\u3088\u3063\u3066\u3059\u3079\u3066\u304c\u53f0\u7121\u3057 \u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6eb6\u63a5\u306f\u5927\u304d\u306a\u71b1\u52fe\u914d\u3092\u3082\u305f\u3089\u3057\u3001\u4e8c\u6b21\u76f8\u304c\u6790\u51fa\u3059\u308b\u71b1\u5f71\u97ff\u90e8(HAZ)\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7c92\u754c\u306b\u30df\u30e5\u30fc\u76f8\u3084\u6709\u5bb3\u306a\u70ad\u5316\u7269 \u304c\u6790\u51fa\u3059\u308b\u3068\u3001\u5c40\u90e8\u7684\u306a\u8010\u98df\u6027\u304c\u5927\u5e45\u306b\u4f4e\u4e0b \u3059\u308b\u3002\u5f93\u3063\u3066\u3001\u6bcd\u6750\u306b\u6bd4\u3079\u3066\u904e\u5270\u5408\u91d1\u306b\u306a\u308a\u304c\u3061\u306a\u30d5\u30a3\u30e9\u30fc\u30e1\u30bf\u30eb\u3092\u9069\u5207\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u4e3b\u8981\u306a\u4ed5\u69d8\u3068\u540c\u69d8\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002\u79c1\u305f\u3061\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u5165\u71b1\u3068\u3001\u5fc5\u8981 \u306a\u5834\u5408\u306b\u306f\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u3067\u5fae\u7d30\u69cb\u9020\u306e \u5747\u8cea\u6027\u3092\u56de\u5fa9\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63d0\u5531\u3057\u3066\u3044\u308b\u3002\u6280\u8853\u8005\u306f\u3001\u6eb6\u878d\u90e8\u306e\u8106\u5f31\u6027\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u5316\u5b66\u51e6 \u7406\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u7528\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u521d\u671f\u6bb5\u968e\u306e\u9078 \u629e\u306b\u88fd\u9020\u4e0a\u306e\u5236\u7d04\u3092\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\"\u5316\u5b66\u51e6\u7406\u30bf\u30f3\u30af\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\"<\/p>\n

\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u308b\u4fe1\u983c\u6027\u306e\u6700\u9069\u5316<\/h2>\n

\u6750\u6599\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u3001\u79c1\u305f\u3061\u306f\u7d4c\u9a13\u7684\u30c7\u30fc\u30bf\u3001\u53b3\u5bc6\u306a\u8a66\u9a13\u3001\u6b63\u78ba\u306a\u30d7\u30ed\u30bb\u30b9\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u983c\u3089\u3056\u308b\u3092\u5f97\u307e\u305b\u3093\u3002\u4ed5\u69d8\u306e\u8aa4\u7b97\u306b\u3088\u308b\u7d4c\u6e08\u7684\u30da\u30ca\u30eb\u30c6\u30a3\u306f\u58ca\u6ec5\u7684\u3067\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u4e88\u5b9a\u5916\u306e\u904b\u8ee2\u505c\u6b62\u3084\u91cd\u5927\u306a\u5b89\u5168\u4e0a\u306e\u5371\u967a\u304c\u751f\u3058\u308b\u3002\u6b63\u78ba\u306a\u30d7\u30ed\u30bb\u30b9\u6d41\u4f53\u306e\u71b1\u529b\u5b66\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u5316\u5b66\u51e6\u7406\u306b\u6700\u9069\u306a\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u3068\u306f\u3001\u5358\u306b\u6700\u3082\u8010\u98df\u6027\u306e\u9ad8\u3044\u6750\u6599\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001\u5927\u898f\u6a21\u306a\u30aa\u30fc\u30d0\u30fc\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u4e88\u6e2c\u53ef\u80fd\u306a\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u6b63\u78ba\u306a\u51b6\u91d1\u5b66\u7684\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u306a\u306e\u3067\u3059\u300228Nickel\u306e\u6750\u6599\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306f\u3001\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u64cd\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6df1\u304f\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306e\u30a4\u30f3\u30d5\u30e9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6280\u8853\u7684\u691c\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8\u9580\u306b\u3054\u9023\u7d61\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u304a\u5ba2\u69d8\u306e\u52a3\u5316\u306b\u95a2\u3059\u308b\u6b63\u78ba\u306a\u8ab2\u984c\u3092\u8b70\u8ad6\u3057\u3001\u7b49\u8150\u98df\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3001\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u5fc5\u8981\u3068\u3059\u308b\u7684\u3092\u7d5e\u3063\u305f\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/p>\n

\u95a2\u9023Q&A<\/b><\/p>\n

Q1: \u5fae\u91cf\u30d5\u30c3\u7d20\u6c5a\u67d3\u306f\u3001\u5316\u5b66\u51e6\u7406\u7528\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u629e\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b\uff1f<\/b><\/p>\n

A:<\/b> \u30d5\u30c3\u5316\u7269\u306f\u3001\u591a\u304f\u306e\u30af\u30ed\u30e0\u542b\u6709\u5408\u91d1\u306e\u4e0d\u52d5\u614b\u9178\u5316 \u5c64\u3092\u7a4d\u6975\u7684\u306b\u653b\u6483\u3059\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u9178\u5316\u7a2e\u304c\u540c\u6642\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u306b\u3088\u308a\u307e\u3059\u304c\u3001Alloy 400\u306e\u3088\u3046\u306a\u9ad8\u9285\u5408\u91d1\u3084\u3001\u6975\u3081\u3066\u9ad8\u3044\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

Q2: \u306a\u305cPREN\u5024\u3060\u3051\u3067\u306f\u3001\u5316\u5b66\u51e6\u7406\u7528\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u9078\u5b9a\u306b\u4e0d\u5341\u5206\u306a\u306e\u3067\u3059\u304b\uff1f<\/b><\/p>\n

A:<\/b> PREN\u304c\u4e88\u6e2c\u3059\u308b\u306e\u306f\u3001\u5e38\u6e29\u307e\u305f\u306f\u4e2d\u7a0b\u5ea6\u306e\u9ad8\u6e29\u3067\u3001\u5869\u5316\u7269\u3092\u591a\u304f\u542b\u3080\u74b0\u5883\u306b\u304a\u3051\u308b\u5c40\u6240\u7684\u306a\u5b54\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u306e\u307f\u3067\u3042\u308b\u3002\u9084\u5143\u6027\u9178\u3067\u306e\u4e00\u822c\u7684\u306a\u8150\u98df\u901f\u5ea6\u3001\u5fdc\u529b\u8150\u98df\u5272\u308c\u306e\u30ea\u30b9\u30af\u3001\u9ad8\u6e29\u786b\u5316\u306f\u8003\u616e\u3055\u308c\u3066\u3044\u306a\u3044\u3002.<\/p>\n

Q3: \u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u5fc5\u8981\u306a\u30cb\u30c3\u30b1\u30eb\u306e\u9650\u754c\u95be\u5024\u306f\uff1f<\/b><\/p>\n

A:<\/b> \u7d4c\u9a13\u7684\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c42%\u3092 \u8d85\u3048\u308b\u5408\u91d1(\u4f8b\u3048\u3070\u5408\u91d1825)\u306f\u3001\u5869\u5316\u7269\u8a98\u8d77\u5fdc\u529b\u8150\u98df\u5272 \u308c(SCC)\u306b\u5bfe\u3057\u3066\u6709\u610f\u306a\u8010\u6027\u3092\u793a\u3059\u304c\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c 60%\u306b\u8fd1\u3044\u5408\u91d1(\u4f8b\u3048\u3070\u5408\u91d1625)\u306f\u3001\u307b\u3068\u3093\u3069\u306e \u6a19\u6e96\u7684\u306a\u5316\u5b66\u30d7\u30ed\u30bb\u30b9\u306e\u6d41\u308c\u306b\u304a\u3044\u3066\u5b9f\u8cea\u7684\u306b\u8010\u6027\u3092 \u793a\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Chemical plants operate in exceptionally harsh environments. Pitting, crevice corrosion, and stress corrosion cracking (SCC) are constant threats to continuous operation. When dealing with aggressive media like boiling sulfuric acid or hot chloride solutions, standard austenitic stainless steels simply fail. This is exactly where precise nickel alloy selection for chemical processing becomes a critical engineering mandate. Getting this right dictates the lifecycle of a reactor vessel. The presence of halide ions severely complicates materials specification. We often see localized attack initiating at grain boundaries or beneath deposits. Effective nickel alloy selection for chemical processing in these scenarios hinges on the Pitting Resistance Equivalent Number (PREN). Alloys rich in molybdenum and […]<\/p>","protected":false},"author":1,"featured_media":2797,"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-2796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1773026961:1"],"_edit_last":["1"],"rank_math_seo_score":["70"],"rank_math_description":["Pitting ruins reactors. Master nickel alloy selection for chemical processing to extend equipment life. 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Pitting, crevice corrosion, and stress corrosion cracking (SCC) are constant threats to continuous operation. When dealing with aggressive media like boiling sulfuric acid or hot chloride solutions, standard austenitic stainless steels simply fail. This is exactly where precise nickel alloy selection for chemical processing becomes a critical engineering…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2796","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=2796"}],"version-history":[{"count":1,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2796\/revisions"}],"predecessor-version":[{"id":2799,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2796\/revisions\/2799"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/2797"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=2796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=2796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=2796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}