{"id":3693,"date":"2026-04-16T07:37:16","date_gmt":"2026-04-16T06:37:16","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3693"},"modified":"2026-04-16T07:37:16","modified_gmt":"2026-04-16T06:37:16","slug":"incoloy-825-vs-hastelloy-b-2-for-heat-exchanger-tubing","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/incoloy-825-vs-hastelloy-b-2-for-heat-exchanger-tubing\/","title":{"rendered":"\u71b1\u4ea4\u63db\u5668\u7528\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306e\u6bd4\u8f03?"},"content":{"rendered":"

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\u5408\u91d1B-2\u306f\u3001\u3088\u308a\u72ed\u304f\u3001\u3088\u308a\u614e\u91cd\u306b\u9078\u3076\u3079\u304d\u3067\u3042\u308b\u3002B-2\u306f\u3001\u5e45\u5e83\u3044\u6fc3\u5ea6\u3068\u6e29\u5ea6\u7bc4\u56f2\u306b\u308f\u305f\u3063\u3066\u5869\u9178\u3067\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u3001\u9084\u5143\u6761\u4ef6\u4e0b\u3067\u306f\u5869\u5316\u6c34\u7d20\u3001\u786b\u9178\u3001\u30ea\u30f3\u9178\u3067\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3002\u3057\u304b\u3057\u3001B-2\u306f \u201c\u4e00\u822c\u7684\u306aCPI\u5408\u91d1 \u201d\u3067\u306f\u306a\u3044\u3002\u7279\u6b8a\u306a\u554f\u984c\u306b\u5bfe\u3059\u308b\u7279\u6b8a\u306a\u7b54\u3048\u306a\u306e\u3067\u3059\u3002\u4ea4\u63db\u5668\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u305d\u308c\u306f\u901a\u5e38\u3001\u7247\u5074\u306e\u304d\u308c\u3044\u306a\u9084\u5143\u6027\u9178\u3001\u9178\u5316\u6027\u7a2e\u306e\u898f\u5f8b\u3042\u308b\u7ba1\u7406\u3001\u305d\u3057\u3066\u5408\u91d1\u304c\u8a31\u3055\u306a\u3044\u3053\u3068\u3092\u7406\u89e3\u3059\u308b\u30d7\u30e9\u30f3\u30c8\u30c1\u30fc\u30e0\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<\/p>\n

\u88fd\u9020\u3001\u6eb6\u63a5\u3001\u71b1\u5b89\u5b9a\u6027\u304c\u6700\u7d42\u7684\u306a\u7b54\u3048\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u591a\u3044<\/h2>\n

\u30d5\u30a1\u30d6\u30ea\u30b1\u30fc\u30bf\u30fc\u5411\u3051\u3001, \u71b1\u4ea4\u63db\u5668\u7528\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306e\u6bd4\u8f03<\/strong> \u306f\u307e\u305f\u3001\u5de5\u5834\u3084\u73fe\u5834\u306e\u8acb\u8ca0\u696d\u8005\u304c\u3001\u3069\u306e \u7a0b\u5ea6\u306e\u5de5\u7a0b\u898f\u5f8b\u3092\u7dad\u6301\u3067\u304d\u308b\u304b\u3082\u554f\u984c\u3067\u3042\u308b\u3002\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u3001\u30ac\u30b9\u30fb\u30b7\u30fc\u30eb\u30c9\u6eb6\u63a5\u7528\u306e \u30a4\u30f3\u30b3\u30cd\u30eb\u30fb\u30d5\u30a3\u30e9\u30fc\u30fb\u30e1\u30bf\u30eb625\u3092\u542b\u3080\u4e00\u822c\u7684 \u306a\u63a8\u5968\u30d5\u30a3\u30e9\u30fc\u3092\u542b\u3081\u3001\u5f93\u6765\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9 \u3067\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3092\u6301\u3064\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u3002\u5408\u91d1B-2\u306f\u3001TIG\/MIG\u6eb6\u63a5\u3082\u53ef\u80fd\u3067\u3001\u65e7\u6765\u306e\u5408\u91d1B\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u6eb6\u63a5\u3057\u305f\u307e\u307e\u306e\u72b6\u614b\u3067\u306e\u6eb6\u63a5\u90e8\u8150\u98df\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u3044\u3002\u3068\u306f\u3044\u3048\u3001B-2 \u306f\u3001\u3088\u308a\u53b3\u5bc6\u306a\u6c5a\u67d3\u7ba1\u7406\u3001\u6eb6\u4f53 \u5316\u713c\u920d\u306e\u5b9f\u65bd\u3001\u52a0\u5de5\u5f8c\u306e\u71b1\u66b4\u9732\u306b\u5bfe\u3059\u308b\u3088\u308a\u92ed\u654f \u306a\u76ee\u3092\u8981\u6c42\u3057\u3066\u3044\u308b\u3002.<\/p>\n

\u3088\u308a\u6df1\u3044\u554f\u984c\u306f\u71b1\u5b89\u5b9a\u6027\u3067\u3042\u308b\u3002Corrosion Materials\u793e\u306f\u3001\u5408\u91d1B-2\u306f1000\u00b0F\u304b\u30891600\u00b0F\u306e\u9593\u3067\u306f\u4f7f\u7528\u3059\u3079\u304d\u3067\u306a\u3044\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002\u30d8\u30a4\u30f3\u30ba\u306b\u3088\u308bB-3\u3068\u305d\u306e\u524d\u8eab\u3067\u3042\u308bB-2\u3068\u306e\u6bd4\u8f03\u306f\u3001\u305d\u306e\u8b66\u544a\u306e\u80cc\u5f8c\u306b\u3042\u308b\u51b6\u91d1\u5b66\u3092\u8aac\u660e\u3057\u3066\u3044\u308b\uff1aB\u30bf\u30a4\u30d7\u5408\u91d1\u306f\u671b\u307e\u3057\u304f\u306a\u3044\u76f8\u304c\u751f\u6210\u3057\u3084\u3059\u304f\u3001B-2\u306f750\u2103\u4ed8\u8fd1\u3067Ni4Mo\u304c\u6025\u901f\u306b\u751f\u6210\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002B-2\u5408\u91d1\u306f\u671b\u307e\u3057\u304f\u306a\u3044\u76f8\u304c\u751f\u6210\u3057\u3084\u3059\u304f\u3001B-2\u306f750\u2103\u4ed8\u8fd1\u3067\u6025\u901f\u306bNi4Mo\u304c\u751f\u6210\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u30d0\u30a4\u30e4\u30fc\u304c\u60f3\u5b9a\u3057\u3066\u3044\u308b\u3088\u308a\u3082\u3001\u52a0\u5de5\u3084\u30a2\u30d7\u30bb\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u8a31\u5bb9\u7bc4\u56f2\u304c\u72ed\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002.<\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n\n
\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n\u30a4\u30f3\u30b3\u30ed\u30a4825<\/th>\n\u5408\u91d1B-2<\/th>\n\u30c1\u30e5\u30fc\u30d6\u306e\u5de5\u5b66\u7684\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n
\u30d9\u30fc\u30b9\u5408\u91d1\u306e\u30b3\u30f3\u30bb\u30d7\u30c8<\/td>\n\u30cb\u30c3\u30b1\u30eb-\u9244-\u30af\u30ed\u30e0-\u30e2\u30ea\u30d6\u30c7\u30f3-\u9285-\u30c1\u30bf\u30f3<\/td>\n\u30cb\u30c3\u30b1\u30eb\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u8d85\u4f4e\u30af\u30ed\u30e0<\/td>\n825\u306f\u5e83\u57df\u30b9\u30da\u30af\u30c8\u30eb\u3001B-2\u306f\u9084\u5143\u9178\u91cd\u8996<\/td>\n<\/tr>\n
\u5178\u578b\u7684\u306a\u30c1\u30e5\u30fc\u30d6\u306e\u5f15\u5f35\/\u964d\u4f0f<\/td>\n\u713c\u304d\u306a\u307e\u3057\u92fc\u7ba1: 112 ksi \/ 64 ksi<\/td>\n\u30d1\u30a4\u30d7\u3068\u30c1\u30e5\u30fc\u30d6\u306e\u6700\u5c0f\u5024110 ksi \/ 51 ksi<\/td>\n\u5f37\u5ea6\u306f\u4e3b\u8981\u306a\u30bb\u30d1\u30ec\u30fc\u30bf\u30fc\u3067\u306f\u306a\u3044\u3002<\/td>\n<\/tr>\n
\u6700\u9ad8\u306e\u8150\u98df\u30cb\u30c3\u30c1<\/td>\n\u6df7\u5408\u9178\u5316\u6027\/\u9084\u5143\u6027\u9178\u3001\u8010\u5869\u5316\u7269SCC\u6027\u3001\u8010\u30d4\u30c3\u30c6\u30a3\u30f3\u30b0\u6027\/\u8010\u30af\u30ec\u30d0 \u30a4\u30b9\u6027<\/td>\n\u5869\u9178\u304a\u3088\u3073\u5f37\u9084\u5143\u6027\u975e\u9178\u5316\u6027\u9178<\/td>\n\u30d6\u30e9\u30f3\u30c9\u306e\u5a01\u4fe1\u3067\u306f\u306a\u304f\u3001\u6d41\u4f53\u306e\u76f8\u6027\u3067\u9078\u3076<\/td>\n<\/tr>\n
\u4e3b\u306a\u8d64\u65d7<\/td>\n\u6700\u3082\u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u306a\u30d4\u30e5\u30a2HCl\u306e\u4efb\u52d9\u306e\u305f\u3081\u306e\u6700\u521d\u306e\u30d4\u30c3\u30af\u3067\u306f\u306a\u3044<\/td>\n\u9178\u5316\u6c5a\u67d3\u306f\u8150\u98df\u3092\u6025\u6fc0\u306b\u9032\u884c\u3055\u305b\u308b\u3002<\/td>\nB-2\u3001\u5316\u5b66\u7269\u8cea\u306e\u6f02\u6d41\u3067\u9178\u5316\u304c\u9032\u307f\u5927\u6557<\/td>\n<\/tr>\n
\u6eb6\u63a5\u30fb\u52a0\u5de5<\/td>\n\u5f93\u6765\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308b\u826f\u597d\u306a\u6eb6\u63a5\u6027<\/td>\n\u6eb6\u63a5\u53ef\u80fd\u3060\u304c\u3001\u3088\u308a\u53b3\u3057\u3044\u5316\u5b66\u7684\uff0f\u71b1\u7684\u7ba1\u7406\u304c\u5fc5\u8981<\/td>\nB-2\u306b\u306f\u30b7\u30e7\u30c3\u30d7\u6a5f\u80fd\u306e\u65b9\u304c\u91cd\u8981<\/td>\n<\/tr>\n
\u30c1\u30e5\u30fc\u30d6\u898f\u683c\uff0f\u4f9b\u7d66\u30eb\u30fc\u30c8<\/td>\n\u5e83\u7bc4\u306a\u30c1\u30e5\u30fc\u30d6\u898f\u683c\u30ea\u30b9\u30c8<\/td>\n\u30b7\u30fc\u30e0\u30ec\u30b9\u7ba1\u3068\u6eb6\u63a5\u7ba1\u306e\u4ed5\u69d8\u3092\u3054\u7528\u610f<\/td>\n\u3069\u3061\u3089\u3082\u30c1\u30e5\u30fc\u30d6\u3068\u3057\u3066\u8abf\u9054\u53ef\u80fd\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

INCOLOY 825 \u304a\u3088\u3073 Alloy B-2 \u30c1\u30e5\u30fc\u30d6\u95a2\u9023\u306e\u30e1\u30fc\u30ab\u30fc\u304a\u3088\u3073\u6280\u8853\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u60c5\u5831\u3088\u308a\u4f5c\u6210\u3057\u305f\u8868 \u88fd\u54c1\u30d5\u30a9\u30fc\u30e0<\/a> \u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3002.<\/em><\/p>\n

\u71b1\u4ea4\u63db\u5668\u7528\u30c1\u30e5\u30fc\u30d6\u306e\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306b\u5bfe\u3059\u308b\u79c1\u306e\u6280\u8853\u7684\u63a8\u5968<\/h2>\n

INCOLOY825\u306f\u3001\u6df7\u5408\u9178\u3001\u5869\u5316\u7269\u6c5a\u67d3\u3001\u786b\u9178\u3084\u30ea\u30f3\u9178\u306e\u4f7f\u7528\u3001\u9178\u5316\u306e\u53ef\u80fd\u6027\u3001\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u306e\u4e0d\u78ba\u5b9f\u6027\u3001\u983b\u7e41\u306a\u5316\u5b66\u6d17\u6d44\u306a\u3069\u306e\u74b0\u5883\u4e0b\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u5b9f\u30d7\u30e9\u30f3\u30c8\u74b0\u5883\u3067\u306f\u3001825\u306f\u901a\u5e38\u3001\u3088\u308a\u591a\u304f\u306e\u904b\u8ee2\u8a31\u5bb9\u5ea6\u3092\u8cb7\u3046\u3002\u9867\u5ba2\u306e\u6d41\u4f53\u30c7\u30fc\u30bf\u304c\u4e0d\u5b8c\u5168\u3067\u3042\u3063\u305f\u308a\u3001\u201c\u5c0f\u3055\u306a \u201d\u9178\u5316\u6027\u6c5a\u67d3\u304c\u6700\u7d42\u7684\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30fb\u30a4\u30d9\u30f3\u30c8\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u672c\u5f53\u306b\u3042\u308b\u5834\u5408\u3001\u79c1\u304c\u6700\u521d\u306b\u9069\u683c\u3068\u5224\u65ad\u3059\u308b\u306e\u306f\u3053\u306e\u5408\u91d1\u3067\u3059\u3002.<\/p>\n

B-2\u5408\u91d1\u306f\u3001\u7279\u306b\u5869\u9178\u3084\u5869\u5316\u6c34\u7d20\u306e\u3088\u3046\u306a\u9084\u5143\u6027\u304c\u660e\u78ba\u3067\u3001\u4e00\u8cab\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30b9\u30aa\u30fc\u30ca\u30fc\u304c\u9178\u5316\u6027\u5316\u5b66\u7a2e\u3092\u53b3\u3057\u304f\u7ba1\u7406\u3067\u304d\u308b\u5834\u5408\u306b\u9078\u629e\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u72ed\u3044\u7bc4\u56f2\u3067\u306f\u3001B-2\u306f\u3088\u308a\u5f37\u529b\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u7b54\u3048\u3068\u306a\u308b\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u306f\u7cbe\u5bc6\u306a\u9053\u5177\u3067\u3042\u3063\u3066\u3001\u5bdb\u5bb9\u306a\u9053\u5177\u3067\u306f\u306a\u3044\u3002\u8abf\u9054\u306b\u304a\u3044\u3066\u306f\u3001RFQ\u306f\u901a\u5e38\u306e\u5316\u5b66\u7684\u6027\u8cea\u3060\u3051\u3067\u306a\u304f\u3001\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u5316\u5b66\u7684\u6027\u8cea\u3001\u6d17\u6d44\u5a92\u4f53\u3001\u9178\u7d20\u4fb5\u5165\u306e\u30ea\u30b9\u30af\u3001\u9244\u6c5a\u67d3\u3001\u30c1\u30e5\u30fc\u30d6\u304b\u3089\u30c1\u30e5\u30fc\u30d6\u30b7\u30fc\u30c8\u3078\u306e\u6eb6\u63a5\u306e\u8a73\u7d30\u3001\u88fd\u9020\u71b1\u5c65\u6b74\u3092\u542b\u3080\u3079\u304d\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u591a\u304f\u306e\u60aa\u3044\u5408\u91d1\u306e\u4ee3\u7528\u306f\u305d\u3053\u304b\u3089\u59cb\u307e\u308b\u3002.<\/p>\n

\"\u71b1\u4ea4\u63db\u5668\u7528\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306e\u6bd4\u8f03\"<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u307b\u3068\u3093\u3069\u306e\u30d0\u30a4\u30e4\u30fc\u306b\u3068\u3063\u3066\u3001, \u71b1\u4ea4\u63db\u5668\u7528\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306e\u6bd4\u8f03<\/strong> \u306e\u4e0b\u3067\u306e\u8150\u98df\u8010\u6027\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002 \u7406\u60f3\u7684\u3067\u306a\u3044<\/em> \u30d7\u30ed\u30bb\u30b9\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u9178\u306e\u540d\u79f0\u3067\u306f\u306a\u304f\u3001\u6761\u4ef6\u306b\u3088\u3063\u3066\u9078\u629e\u3057\u307e\u3059\u3002\u9178\u306e\u30c9\u30ea\u30d5\u30c8\u3001\u30b3\u30f3\u30bf\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3001\u66dd\u6c17\u3001 \u5f37\u70c8\u306a\u6d17\u6d44\u306a\u3069\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u901a\u5e38INCOLOY 825\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u53b3\u683c\u306b\u7ba1\u7406\u3055\u308c\u305f\u3001\u9084\u5143\u6027\u306e\u5f37\u3044\u3001\u7279\u306b\u5869\u9178 \u6027\u306e\u9178\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001Alloy B-2\u304c\u5353\u8d8a\u3057\u305f \u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u7b54\u3048\u306f\u3001\u5316\u5b66\u7684\u6761\u4ef6\u3001\u88fd\u9020\u30eb\u30fc\u30c8\u3001\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u5c65\u6b74\u304b\u3089\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30fb\u30ec\u30d9\u30eb\u306e\u9078\u5b9a\u691c\u8a0e\u306e\u305f\u3081\u306b\u3001\u6d41\u4f53\u7d44\u6210\u3001\u5e38\u6e29\u304a\u3088\u3073\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u5727\u529b\u3001\u5869\u5316\u7269\u3001\u9178\u5316\u6027\u6c5a\u67d3\u7269\u8cea\u3001\u6d17\u6d44\u624b\u9806\u3001\u30c1\u30e5\u30fc\u30d6\u306e\u88fd\u9020\u30eb\u30fc\u30c8\u3092\u304a\u9001\u308a\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u3001\u4e00\u822c\u7684\u306a\u5408\u91d1\u306e\u6bd4\u8f03\u3092\u9632\u5fa1\u53ef\u80fd\u306a\u6750\u6599\u63a8\u5968\u306b\u5909\u3048\u308b\u306b\u306f\u3001\u3053\u308c\u3067\u5341\u5206\u3067\u3059\u3002.<\/p>\n

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

1) \u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306f\u5869\u9178\u71b1\u4ea4\u63db\u5668\u7528\u30c1\u30e5\u30fc\u30d6\u3068\u3057\u3066\u30a4\u30f3\u30b3\u30ed\u30a4825\u3088\u308a\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n

B-2\u5408\u91d1\u306f\u3001\u5e45\u5e83\u3044\u6fc3\u5ea6\u3068\u6e29\u5ea6\u7bc4\u56f2\u306e\u5869\u9178\u7528\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30af\u30ea\u30fc\u30f3\u3067\u9084\u5143\u529b\u306e\u5f37\u3044\u5869\u9178\u306e\u4f7f\u7528\u3067\u306f\u3001\u901a\u5e38\u3001\u3088\u308a\u5f37\u3044\u8150\u98df\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u9178\u5316\u6027\u306e\u6c5a\u67d3\u7269\u8cea\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u5165\u308b\u3068\u3001\u305d\u306e\u5229\u70b9\u306f\u6025\u901f\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002.<\/p>\n

2) \u6df7\u5408\u9178\u4ea4\u63db\u5668\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n

\u591a\u304f\u306e\u5834\u5408\u3001\u305d\u3046\u3067\u3059\u3002\u4ea4\u63db\u5668\u304c\u9178\u5316\u6027\u3068\u9084\u5143\u6027\u306e\u6df7\u5408\u6319\u52d5\u3092\u793a\u3059\u5834\u5408\u3001\u5869\u5316\u7269\u6c5a\u67d3\u3001\u3042\u308b\u3044\u306f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\/\u6d17\u6d44\u306e\u5316\u5b66\u7684\u6027\u8cea\u304c\u4e0d\u660e\u78ba\u306a\u5834\u5408\u3001INCOLOY 825\u306e\u8010\u98df\u6027\u306f\u9084\u5143\u9178\u306e\u307f\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u72ed\u3044\u7bc4\u56f2\u3067\u306f\u306a\u304f\u5e83\u3044\u7bc4\u56f2\u306b\u53ca\u3076\u305f\u3081\u3001INCOLOY 825\u306e\u65b9\u304c\u5b89\u5168\u306a\u4ed5\u69d8\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p>\n

3) \u30c1\u30e5\u30fc\u30d6\u3068\u3057\u3066\u3069\u3061\u3089\u306e\u5408\u91d1\u3092\u6ce8\u6587\u3059\u308b\u524d\u306b\u3001\u8cfc\u5165\u8005\u306f\u4f55\u3092\u7528\u610f\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n

\u6700\u4f4e\u9650\u3001\u6d41\u4f53\u306e\u5316\u5b66\u7684\u6027\u8cea\u3001\u5869\u5316\u7269\u3001\u9244\u3001\u6eb6\u5b58\u9178\u7d20\u306e\u6df7\u5165\u3001\u904b\u8ee2\u6e29\u5ea6\u3068\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6e29\u5ea6\u3001\u6d17\u6d44\u85ac\u54c1\u3001\u30c1\u30e5\u30fc\u30d6\u304c\u30b7\u30fc\u30e0\u30ec\u30b9\u304b\u6eb6\u63a5\u304b\u3001\u30c1\u30e5\u30fc\u30d6\u3068\u30c1\u30e5\u30fc\u30d6\u306e\u6eb6\u63a5\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u3002\u3053\u308c\u3089\u306e\u8a73\u7d30\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u4e8b\u9805\u304c\u6c7a\u5b9a\u3055\u308c\u308b\u3002 \u71b1\u4ea4\u63db\u5668\u7528\u30a4\u30f3\u30b3\u30ed\u30a4825\u3068\u30cf\u30b9\u30c6\u30ed\u30a4B-2\u306e\u6bd4\u8f03<\/strong> \u306f\u3001\u5358\u7d14\u306a\u6c7a\u5b9a\u304b\u3001\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u63a8\u6e2c\u304b\u3002\u30c1\u30e5\u30fc\u30d6\u306e\u898f\u683c\u3068\u88fd\u9020\u30ac\u30a4\u30c0\u30f3\u30b9\u306f\u5341\u5206\u306b\u7570\u306a\u308b\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u5165\u529b\u306f\u65e9\u671f\u306b\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3064\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When engineers compare Incoloy 825 vs Hastelloy B-2 for heat exchanger tubing, the real question is not which alloy looks better on a datasheet. The real question is which alloy survives your actual corrosion envelope, including startup contamination, shutdown moisture, cleaning chemicals, weld heat-affected zones, and occasional off-spec chemistry. INCOLOY 825 is a Ni-Fe-Cr alloy strengthened for broad resistance in both reducing and oxidizing media, while Alloy B-2 is a nickel-molybdenum material built for severe reducing service, especially hydrochloric-acid-type environments, but with very poor tolerance for oxidizing contamination. That distinction matters even more in tubing. Heat exchanger tubes are thin-wall products, often cold worked, expanded, bent, and welded into a […]<\/p>","protected":false},"author":1,"featured_media":3695,"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-3693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1776321303:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["58"],"rank_math_focus_keyword":["Incoloy 825 vs Hastelloy B-2 for heat-exchanger tubing"],"rank_math_description":["Wrong alloy kills exchanger life. Compare Incoloy 825 vs Hastelloy B-2 for heat exchanger tubing before the next acid service upset."],"_thumbnail_id":["3695"],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:54:\"Incoloy 825 vs Hastelloy B-2 for heat-exchanger tubing\";}"],"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:\"1776419131\";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-3693.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305.jpg",1200,800,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305-768x512.jpg",768,512,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305.jpg",1200,800,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305.jpg",1200,800,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/04\/305-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/ja\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"When engineers compare Incoloy 825 vs Hastelloy B-2 for heat exchanger tubing, the real question is not which alloy looks better on a datasheet. The real question is which alloy survives your actual corrosion envelope, including startup contamination, shutdown moisture, cleaning chemicals, weld heat-affected zones, and occasional off-spec chemistry. INCOLOY 825 is a Ni-Fe-Cr alloy…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3693","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=3693"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3693\/revisions"}],"predecessor-version":[{"id":3697,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3693\/revisions\/3697"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3695"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}