{"id":3515,"date":"2026-04-01T03:12:13","date_gmt":"2026-04-01T02:12:13","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3515"},"modified":"2026-04-01T03:12:19","modified_gmt":"2026-04-01T02:12:19","slug":"incoloy-825-corrosion-resistance-in-sulfuric-acid","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/incoloy-825-corrosion-resistance-in-sulfuric-acid\/","title":{"rendered":"\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027\u306f\uff1f"},"content":{"rendered":"

\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089 \u30a4\u30f3\u30b3\u30ed\u30a4825<\/a> \u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong>, \u6b63\u3057\u3044\u7b54\u3048\u306f\u3001\u5358\u7d14\u306a\u300c\u306f\u3044\u300d\u304b\u300c\u3044\u3044\u3048\u300d \u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002825\u5408\u91d1\u306f\u3001\u786b\u9178\u7528\u30cb\u30c3\u30b1\u30eb-\u9244-\u30af\u30ed\u30e0\u7cfb \u6750\u7a2e\u306e\u4e2d\u3067\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u90e8\u985e\u306b\u5165\u308b\u304c\u3001\u305d\u306e \u6027\u8cea\u306f\u9178\u6fc3\u5ea6\u3001\u6e29\u5ea6\u3001\u901a\u6c17\u3001\u6c5a\u67d3\u306a\u3069\u306b\u3088\u3063\u3066 \u6025\u6fc0\u306b\u5909\u5316\u3059\u308b\u3002\u5b9f\u969b\u3001825\u304b\u3089\u9577\u3044\u8010\u7528\u5e74\u6570\u3092\u5f97\u3066\u3044\u308b\u30d7\u30e9 \u30f3\u30c8\u304c\u3042\u308b\u4e00\u65b9\u3067\u3001\u66f8\u985e\u4e0a\u306f\u300c\u5b89\u5168\u306a\u300d\u6750 \u6599\u9078\u5b9a\u306b\u898b\u3048\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u6025\u901f\u306a\u6e1b\u8089\u3001 \u6eb6\u63a5\u90e8\u306e\u8150\u98df\u3001\u3042\u308b\u3044\u306f\u30a2\u30d7\u30bb\u30c3\u30c8\u99c6\u52d5\u8150\u98df \u304c\u898b\u3089\u308c\u308b\u30d7\u30e9\u30f3\u30c8\u304c\u3042\u308b\u306e\u306f\u3001\u307e\u3055\u306b\u3053 \u308c\u304c\u7406\u7531\u3067\u3042\u308b\u3002.<\/p>\n

\u51b6\u91d1\u5b66\u7684\u898b\u5730\u304b\u3089\u3001825\u306f1\u3064\u306e\u72ed\u3044\u8150\u98df\u6761\u4ef6\u3067\u306f\u306a\u304f\u3001\u6df7\u5408\u8150\u98df\u74b0\u5883\u5411\u3051\u306b\u88fd\u9020\u3055\u308c\u305f\u3002\u30cb\u30c3\u30b1\u30eb\u30d9\u30fc\u30b9\u306f\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u306e\u6291\u5236\u306b\u5f79\u7acb\u3061\u3001\u30af\u30ed\u30e0\u306f\u9178\u5316\u6027\u6761\u4ef6\u4e0b\u3067\u306e\u4e0d\u52d5\u614b\u5316\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u5c40\u90e8\u7684\u306a\u653b\u6483\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u9285\u306f\u786b\u9178\u306e\u3088\u3046\u306a\u9084\u5143\u6027\u9178\u3067\u7279\u306b\u6709\u7528\u3067\u3042\u308a\u3001\u30c1\u30bf\u30f3\u306e\u5b89\u5b9a\u5316\u306f\u6eb6\u63a5\u72b6\u614b\u3067\u306e\u92ed\u654f\u5316\u306b\u95a2\u9023\u3057\u305f\u7c92\u754c\u8150\u98df\u306b\u5bfe\u3059\u308b\u5408\u91d1\u306e\u8010\u6027\u3092\u52a9\u3051\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u3001Alloy 825\u304c\u4f55\u5341\u5e74\u3082\u306e\u9593\u3001\u9178\u51e6\u7406\u3001\u9178\u6d17\u30b7\u30b9\u30c6\u30e0\u3001\u30b9\u30af\u30e9\u30d0\u30fc\u3001\u304a\u3088\u3073\u5316\u5b66\u30d7\u30ed\u30bb\u30b9\u6a5f\u5668\u306b\u4f7f\u7528\u3055\u308c\u7d9a\u3051\u3066\u3044\u308b\u7406\u7531\u3067\u3059\u3002.<\/p>\n

\"\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027\"<\/p>\n

\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u6027\u80fd<\/h2>\n

\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u786b\u9178\u306f\u5747\u4e00\u306a\u74b0\u5883\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3060\u3002\u5e0c\u786b\u9178\u306f\u9084\u5143\u6027\u304c\u5f37\u3044\u3002\u6fc3\u5ea6\u3068\u6e29\u5ea6\u304c\u5909\u5316\u3059\u308b\u3068\u3001\u8150\u98df\u30e1\u30ab\u30cb\u30ba\u30e0\u3082\u5909\u5316\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u4e00\u822c\u7684\u306b\u3001\u6280\u8853\u8005\u304c\u3088\u304f\u4e2d\u9593\u6fc3\u5ea6\u9818\u57df\u3068\u547c\u3076\u9818\u57df\u3067\u6700\u3082\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002Special Metals\u793e\u306b\u3088\u308c\u3070\u3001\u4ee3\u8868\u7684\u306a\u4f7f\u7528\u6761\u4ef6\u4e0b\u3067\u300150\u2103\u306e\u786b\u9178\u4e2d\u3067\u3001\u304a\u3088\u305d40\uff5e80wt%\u306e\u9593\u3067\u30015mpy\u4ee5\u4e0b(0.13mm\/a\u4ee5\u4e0b)\u3068\u5b9a\u7fa9\u3055\u308c\u308b\u975e\u5e38\u306b\u512a\u308c\u305f\u8010\u98df\u6027\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u512a\u308c\u305f\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u6027\u80fd\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u30d7\u30e9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u5bfe\u3059\u308b\u5305\u62ec\u7684\u306a\u4fdd\u8a3c\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u7d4c\u9a13\u8c4a\u5bcc\u306a\u8150\u98df\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6fc3\u5ea6\u3060\u3051\u3067825\u3092\u9078\u629e\u3057\u306a\u3044\u7406\u7531\u3082\u3053\u3053\u306b\u3042\u308b\u3002\u5b9f\u6a5f\u3067\u306e\u516c\u79f0\u300c50%\u786b\u9178\u300d\u306e\u6d41\u308c\u306f\u3001\u9244\u30a4\u30aa\u30f3\u3001\u5869\u5316\u7269\u3001\u6eb6\u89e3\u9285\u5869\u3001\u6d6e\u904a\u7269\u8cea\u3001\u9178\u7d20\u5909\u52d5\u306a\u3069\u3092\u542b\u3093\u3067\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u305d\u308c\u3089\u306e\u8a73\u7d30\u306f\u91cd\u8981\u3067\u3042\u308b\u3002\u540c\u3058\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u30fb\u30ac\u30a4\u30c0\u30f3\u30b9\u3067\u306f\u3001\u6c5a\u67d3\u3055\u308c\u305f\u4e2d\u5f37\u5ea6\u306e\u786b\u9178\u3067\u306f\u3001\u4e88\u60f3\u3055\u308c\u308b\u6319\u52d5\u304b\u3089\u5927\u304d\u304f\u9038\u8131\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u6307\u6458\u3057\u3066\u3044\u308b\u3002\u307e\u305f\u3001\u591a\u304f\u306e\u975e\u5c02\u9580\u5bb6\u304c\u898b\u843d\u3068\u3057\u3066\u3044\u308b\u70b9\u3068\u3057\u3066\u3001\u9178\u5316\u5869\u306e\u4e2d\u306b\u306f\u5b9f\u969b\u306b\u5f79\u7acb\u3064\u3082\u306e\u304c\u3042\u308b\u4e00\u65b9\u3001\u5869\u5316\u7269\u306f\u786b\u9178\u306e\u4f7f\u7528\u306b\u304a\u3044\u3066\u6709\u5bb3\u3067\u3042\u308b\u3053\u3068\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u9023\u7d9a\u7684\u306b\u6d78\u6f2c\u3055\u308c\u308b\u5869\u5316\u7269\u306b\u6c5a\u67d3\u3055\u308c\u305f\u4efb\u52d9\u3067\u306f\u3001C-276\u3001625\u3001\u307e\u305f\u306f686\u306e\u3088\u3046\u306a\u3088\u308a\u9ad8\u3044\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002.<\/p>\n

\u5b9f\u9a13\u5ba4\u3067\u306e\u786b\u9178\u306e\u6cb8\u9a30\u30c7\u30fc\u30bf\u304b\u3089\u3001\u5065\u5168\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002825\u5408\u91d1\u306f10%\u3067\u7d0420mpy\u300140%\u3067 11mpy\u300150%\u306720mpy\u306e\u8150\u98df\u901f\u5ea6\u3092\u793a\u3057\u305f\u304c\u3001 316\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f10%\u3067636mpy\u3001401TP 3T\u306850%\u30671000mpy\u4ee5\u4e0a\u3068\u5287\u7684\u306b\u60aa\u5316\u3057\u305f\u3002\u6559\u8a13\u306f\u3001825\u304c\u3059\u3079\u3066\u306e\u6cb8\u9a30\u6fc3\u5ea6\u3067\u666e\u904d\u7684\u306b\u300c\u826f\u597d\u300d\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u3044\u3002\u771f\u306e\u6559\u8a13\u306f\u3001825\u306f\u786b\u9178\u4e2d\u3067\u3001 \u7279\u306b\u5a92\u4f53\u304c\u3088\u308a\u653b\u6483\u7684\u306b\u306a\u308b\u3068\u3001\u5f93\u6765 \u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u306f\u5168\u304f\u7570\u306a\u308b\u8150\u98df\u30af\u30e9\u30b9\u3092 \u5360\u3081\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308b\u3002.<\/p>\n

\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u5b9f\u7528\u9078\u5b9a\u8868<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u786b\u9178\u306e\u6761\u4ef6<\/th>\n\u5408\u91d1825\u306e\u4ee3\u8868\u7684\u306a\u6e2c\u5b9a\u5024<\/th>\n\u5de5\u5b66\u7684\u89e3\u91c8<\/th>\n\u7d20\u6750\u9078\u629e\u30ce\u30fc\u30c8<\/th>\n<\/tr>\n<\/thead>\n
\u9ad8\u6e29\u306e\u5e0c\u9178<\/td>\n\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u6025\u901f\u306b\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td>\n\u9084\u5143\u6761\u4ef6\u304c\u53b3\u3057\u304f\u3001\u4e0d\u52d5\u614b\u5316\u3092\u7dad\u6301\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3002<\/td>\n\u5b9f\u884c\u3059\u308b\u524d\u306b\u8150\u98df\u8a66\u9a13\u30c7\u30fc\u30bf\u3067\u691c\u8a3c\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u4e2d\u9593\u6fc3\u5ea6\u3001\u4e2d\u6e29<\/td>\n\u591a\u304f\u306e\u5834\u5408\u3001\u6700\u5f37\u306e\u64cd\u4f5c\u30a6\u30a3\u30f3\u30c9\u30a6<\/td>\n825\u306e\u5b89\u5b9a\u3057\u305f\u6319\u52d5\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u3002<\/td>\n\u4e00\u822c\u7684\u306b\u30bf\u30f3\u30af\u3001\u914d\u7ba1\u3001\u30dd\u30f3\u30d7\u3001\u71b1\u4ea4\u63db\u5668\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n
10%\u3067\u5b9f\u9a13\u5ba4\u306e\u9178\u3092\u6cb8\u9a30\u3055\u305b\u308b<\/td>\n~20 mpy (0.5 mm\/a)<\/td>\n\u58ca\u6ec5\u7684\u3067\u306f\u306a\u3044\u304c\u3001\u201c\u7121\u8996 \u201d\u306f\u3067\u304d\u306a\u3044\u3002<\/td>\n\u624b\u5f53\u307e\u305f\u306f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308b<\/td>\n<\/tr>\n
40%\u3067\u306e\u6cb8\u9a30\u5b9f\u9a13\u5ba4\u9178<\/td>\n~11 mpy (0.28 mm\/a)<\/td>\n\u591a\u304f\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u30fb\u30b0\u30ec\u30fc\u30c9\u3088\u308a\u306f\u308b\u304b\u306b\u512a\u308c\u3066\u3044\u308b\u3002<\/td>\n\u9069\u5207\u306a\u8a2d\u8a08\u5be9\u67fb\u304c\u3042\u308c\u3070\u3001\u591a\u304f\u306e\u5834\u5408\u8a31\u5bb9\u3055\u308c\u308b<\/td>\n<\/tr>\n
50%\u3067\u306e\u6cb8\u9a30\u5b9f\u9a13\u5ba4\u9178<\/td>\n~20 mpy (0.5 mm\/a)<\/td>\n\u307e\u3060\u4f7f\u3048\u308b\u5834\u5408\u3082\u3042\u308b\u304c\u3001\u4e07\u80fd\u3067\u306f\u306a\u3044<\/td>\n\u52d5\u63fa\u72b6\u614b\u3084\u4e0d\u7d14\u7269\u3092\u6ce8\u610f\u6df1\u304f\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/td>\n<\/tr>\n
\u5869\u5316\u7269\u6c5a\u67d3\u786b\u9178<\/td>\n\u30ea\u30b9\u30af\u304c\u6025\u4e0a\u6607<\/td>\n\u5c40\u6240\u7684\u306a\u653b\u6483\u3068\u671f\u5f85\u5bff\u547d\u306e\u55aa\u5931\u306f\u3001\u4e00\u822c\u7684\u306a\u6545\u969c\u30c9\u30e9\u30a4\u30d0\u30fc\u3067\u3042\u308b\u3002<\/td>\n\u5869\u5316\u7269\u304c\u6b8b\u7559\u3059\u308b\u5834\u5408\u306f\u3001\u9ad8Mo\u5408\u91d1\u3092\u691c\u8a0e\u3059\u308b\u3002<\/td>\n<\/tr>\n
\u6eb6\u63a5\u8a2d\u5099<\/td>\n\u9069\u5207\u306b\u51e6\u7406\u3055\u308c\u3066\u3044\u308c\u3070\u901a\u5e38\u4fe1\u983c\u3067\u304d\u308b<\/td>\n\u30c1\u30bf\u30f3\u306e\u5b89\u5b9a\u5316\u306b\u3088\u308a\u611f\u4f5c\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b<\/td>\n\u9069\u683c\u306a\u5145\u586b\u6750\uff0f\u6295\u5165\u71b1\u91cf\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3001\u52a0\u5de5\u5f8c\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6ce8\uff1a\u3053\u306e\u8868\u306f\u3001Alloy 825\u306e\u5b9f\u9a13\u5ba4\u3067\u306e\u786b\u9178\u30c7\u30fc\u30bf\u3068\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u7b49\u8150\u98df\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u6700\u7d42\u7684\u306a\u8a2d\u8a08\u627f\u8a8d\u3067\u306f\u306a\u304f\u3001\u4e88\u5099\u7684\u306a\u9078\u5b9a\u306b\u4f7f\u7528\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002.<\/em><\/p>\n

\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027\u306e\u9650\u754c<\/h2>\n

\u6700\u5927\u306e\u9078\u629e\u30df\u30b9\u306f\u3001825\u304c\u300c\u8010\u786b\u9178\u6027\u300d\u5408\u91d1\u3060\u3068\u601d\u3044\u8fbc\u3093\u3067\u3044\u308b\u3053\u3068\u3060\u3002\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002825\u306f\u5e83\u7bc4\u306a\u8150\u98df\u306b\u8010\u3048\u308b\u5408\u91d1\u3067\u3042\u308a\u3001\u786b\u9178\u4e2d\u3067\u7279\u306b\u6709\u7528\u306a\u7a93\u3092\u6301\u3064\u3002\u30d7\u30ed\u30bb\u30b9\u304c\u9ad8\u6e29\u306b\u306a\u3063\u305f\u308a\u3001\u4e88\u60f3\u4ee5\u4e0a\u306b\u5e0c\u8584\u306b\u306a\u3063\u305f\u308a\u3001\u5869\u5316\u7269\u3092\u542b\u3093\u3060\u308a\u3001\u6fc3\u5ea6\u30b5\u30a4\u30af\u30eb\u3092\u53d7\u3051\u308b\u3068\u3001\u91d1\u5c5e\u640d\u5931\u306f\u591a\u304f\u306e\u30d0\u30a4\u30e4\u30fc\u304c\u4e88\u60f3\u3059\u308b\u3088\u308a\u3082\u65e9\u304f\u3001\u7ba1\u7406\u53ef\u80fd\u306a\u3082\u306e\u304b\u3089\u8a31\u5bb9\u3067\u304d\u306a\u3044\u3082\u306e\u3078\u3068\u5909\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u3001\u6d41\u308c\u306e\u505c\u6ede\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u5f71\u306b\u306a\u3063\u305f\u9699\u9593\u3001\u30c7\u30c3\u30c9\u30ec\u30c3\u30b0\u3001\u90e8\u5206\u7684\u306b\u6fe1\u308c\u305f\u6c17\u6db2\u754c\u9762\u306a\u3069\u306e\u9818\u57df\u3067\u5f53\u3066\u306f\u307e\u308a\u3001\u30d0\u30eb\u30af\u5206\u6790\u304c\u793a\u5506\u3059\u308b\u3088\u308a\u3082\u5c40\u6240\u7684\u306a\u5316\u5b66\u7684\u6027\u8cea\u304c\u306f\u308b\u304b\u306b\u53b3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u6700\u3082\u5b89\u4fa1\u306a\u9078\u629e\u80a2\u304c\u5e38\u306b825\u3067\u3042\u308b\u3068\u306f\u9650\u3089\u305a\u3001\u6700\u3082\u5b89\u5168\u306a\u9078\u629e\u80a2\u304c\u5e38\u306b\u9ad8\u5408\u91d1\u3067\u3042\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u6700\u3082\u5b89\u4fa1\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5e38\u306b825\u3067\u3042\u308b\u3068\u306f\u9650\u3089\u305a\u3001\u6700\u3082\u5b89\u5168\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5e38\u306b\u9ad8\u3044\u5408\u91d1\u3067\u3042\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u8ca0\u8377\u304c\u6bd4\u8f03\u7684\u6e05\u6d44\u306a\u786b\u9178\u3067\u3001\u597d\u307e\u3057\u3044\u6fc3\u5ea6-\u6e29\u5ea6\u7bc4\u56f2\u3067\u3042\u308c\u3070\u3001825\u306f\u8010\u98df\u6027\u3001\u52a0\u5de5\u6027\u3001\u30b3\u30b9\u30c8\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u975e\u5e38\u306b\u5408\u7406\u7684\u3067\u3042\u308b\u3002\u5869\u5316\u7269\u304c\u6301\u7d9a\u7684\u306b\u767a\u751f\u3059\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u30a2\u30c3\u30d7\u30bb\u30c3\u30c8\u6761\u4ef6\u306b\u3088\u3063\u3066\u30e6\u30cb\u30c3\u30c8\u304c\u305d\u306e\u7a93\u306e\u5916\u306b\u62bc\u3057\u51fa\u3055\u308c\u308b\u5834\u5408\u3001\u3088\u308a\u9ad8\u4fa1\u306a\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306e\u65b9\u304c\u3001\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30b3\u30b9\u30c8\u306e\u4f4e\u3044\u6c7a\u5b9a\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002SpecialMetals\u793e\u306f\u3001\u5408\u91d120\u306e\u786b\u9178\u3067\u306e\u6319\u52d5\u304c\u540c\u7a0b\u5ea6\u3067\u3042\u308b\u3053\u3068\u3092\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u771f\u9762\u76ee\u306b\u6750\u6599\u3092\u691c\u8a0e\u3059\u308b\u5834\u5408\u306f\u3001\u901a\u5e38825\u3001\u5408\u91d120\u3001\u9ad8Mo\u92fc\u3092\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30cb\u30c3\u30b1\u30eb\u5408\u91d1<\/a> \u4e00\u5bb6\u306b\u4e00\u4eba\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u306a\u304f.<\/p>\n

\u6eb6\u63a5\u3001\u52a0\u5de5\u3001\u73fe\u5834\u306e\u73fe\u5b9f<\/h2>\n

\u52a0\u5de5\u6a5f\u5668\u306e\u5834\u5408\u3001\u8150\u98df\u306e\u554f\u984c\u306f\u6bcd\u6750\u3060\u3051\u3067\u306f\u306a \u3044\u3002\u5408\u91d1825\u306f\u3001\u6210\u5f62\u3084\u6eb6\u63a5\u304c\u5bb9\u6613\u3067\u3001\u5b89\u5b9a\u5316 \u3055\u308c\u3066\u3044\u306a\u3044\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u92ed\u654f\u5316\u3055\u305b\u308b\u3088\u3046 \u306a\u71b1\u66b4\u9732\u5f8c\u306e\u7c92\u754c\u8150\u98df\u306b\u8010\u3048\u308b\u306e\u306f\u3001\u30c1\u30bf \u30f3\u3092\u5b89\u5b9a\u5316\u3055\u305b\u3066\u3044\u308b\u305f\u3081\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u786b\u9178\u7cfb\u3067\u306f\u91cd\u8981\u3067\u3042\u308b\u3002\u3068\u3044\u3046\u306e\u3082\u3001\u5b9f\u969b\u306e\u7834 \u640d\u306e\u591a\u304f\u306f\u3001\u92fc\u677f\u306e\u4e2d\u5fc3\u90e8\u3067\u306f\u306a\u304f\u3001\u6eb6\u63a5\u90e8\u3001 \u71b1\u5f71\u97ff\u90e8\u3001\u4ed8\u7740\u90e8\u3001\u6b8b\u7559\u5fdc\u529b\u306e\u96c6\u4e2d\u90e8\u304b\u3089\u59cb\u307e \u308b\u304b\u3089\u3067\u3042\u308b\u3002\u9069\u5207\u306a\u6eb6\u52a0\u6750\u306e\u9078\u629e\u3001\u5165\u71b1\u306e\u7ba1\u7406\u3001\u6e05\u6f54\u306a\u9178\u6d17\/\u4e0d\u52d5\u614b\u5316\u51e6\u7406 (\u8a72\u5f53\u3059\u308b\u5834\u5408)\u3001\u786b\u9ec4\u3092\u542b\u3080\u5de5\u5834\u6c5a\u67d3\u306e\u56de\u907f\u306f\u3059\u3079\u3066\u3001\u8a2d\u7f6e\u3055\u308c\u305f\u8a2d\u5099\u304c\u3001\u6545\u969c\u5831\u544a\u306e\u3088\u3046\u306a\u6319\u52d5\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u3088\u3046\u306a\u6319\u52d5\u3092\u793a\u3059\u78ba\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002.<\/p>\n

\"\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027\"<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u3067\u306f\u3001\u3069\u3046\u306a\u306e\u304b\uff1f \u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u786b\u9178\u4e2d\u3067\u306e\u8010\u98df\u6027<\/strong> \u826f\u3044\uff1f\u306f\u3044\u3001\u591a\u304f\u306e\u5834\u5408\u975e\u5e38\u306b\u826f\u597d\u3067\u3059\u304c\u3001\u5b9a\u7fa9\u53ef\u80fd\u306a\u64cd\u4f5c\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u5185\u5074\u3060\u3051\u3067\u3059\u3002\u5408\u91d1\u306f\u3001\u786b\u9178\u6fc3\u5ea6\u3068\u6e29\u5ea6\u304c\u5b89\u5b9a\u3057\u305f\u8868\u9762\u72b6\u614b\u3092\u53ef\u80fd\u306b\u3059\u308b\u5834\u6240\u3067\u6700\u3082\u5f37\u304f\u306a\u308a\u3001\u5869\u5316\u7269\u6c5a\u67d3\u3001\u6cb8\u9a30\u5e0c\u8584\u9178\u3001\u9699\u9593\u5f62\u72b6\u3001\u307e\u305f\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u52d5\u63fa\u304c\u8150\u98df\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u652f\u914d\u3059\u308b\u5834\u5408\u3001\u30de\u30fc\u30b8\u30f3\u3092\u5931\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u7406\u7531\u304b\u3089\u3001\u786b\u9178\u30b5\u30fc\u30d3\u30b9\u7528\u306e\u512a\u308c\u305f\u6750\u6599\u9078\u629e\u306f\u3001\u5358\u306bPO\u4e0a\u306e\u7b49\u7d1a\u540d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u30e1\u30c7\u30a3\u30a2\u30ec\u30d3\u30e5\u30fc\u3067\u3042\u308b\u3002.<\/p>\n

\u786b\u9178\u7528\u306e\u677f\u3001\u30d1\u30a4\u30d7\u3001\u7ba1\u3001\u68d2\u3001\u935b\u9020\u90e8\u54c1\u3092\u8a55\u4fa1\u3059\u308b\u5834\u5408\u300128Nickel\u306f825\u3068\u5408\u91d120\u3001625\u3001C-276\u3001\u305d\u306e\u4ed6\u306e\u9078\u629e\u80a2\u3092\u3001\u516c\u79f0\u306e\u30d7\u30ed\u30bb\u30b9\u30c7\u30fc\u30bf\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u6fc3\u5ea6-\u6e29\u5ea6-\u6c5a\u67d3\u7bc4\u56f2\u306b\u7167\u3089\u3057\u3066\u6bd4\u8f03\u3059\u308b\u304a\u624b\u4f1d\u3044\u3092\u3044\u305f\u3057\u307e\u3059\u3002\u786b\u9178\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u3053\u306e\u9055\u3044\u304c\u9577\u671f\u9593\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3068\u65e9\u671f\u306e\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3092\u5206\u3051\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n

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

1.\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u786b\u9178\u4e2d\u3067\u306f316\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3088\u308a\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/strong>
\u307b\u3068\u3093\u3069\u306e\u786b\u9178\u7528\u9014\u3067\u306f\u305d\u3046\u3067\u3059\u3002\u7279\u306b40%\u306850%\u306e\u786b\u9178\u3067\u306f\u3001316\u306f\u975e\u5e38\u306b\u6025\u901f\u306b\u52a3\u5316\u3057\u307e\u3059\u3002.<\/p>\n

2.\u786b\u9178\u4f7f\u7528\u306b\u304a\u3051\u308b\u30a2\u30ed\u30a4825\u306e\u6700\u5927\u306e\u30ea\u30b9\u30af\u30d5\u30a1\u30af\u30bf\u30fc\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong>
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3.\u6eb6\u63a5\u30a2\u30ed\u30a4825\u306f\u786b\u9178\u8a2d\u5099\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>
\u52a0\u5de5\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u308c\u3070\u3001\u901a\u5e38\u306f\u305d\u3046\u306a\u308b\u3002\u5408\u91d1\u306f\u3001\u92ed\u654f\u5316\u306b\u95a2\u9023\u3057\u305f\u7c92\u754c\u653b\u6483\u306b\u8010\u3048\u308b\u3088\u3046\u306b\u30c1\u30bf\u30f3\u3067\u5b89\u5b9a\u5316\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u6eb6\u63a5\u624b\u9806\u306e\u7ba1\u7406\u3068\u4f7f\u7528\u5316\u5b66\u306f\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3042\u308b\u3002.<\/p>\n

","protected":false},"excerpt":{"rendered":"

When engineers ask about Incoloy 825 corrosion resistance in sulfuric acid, the right answer is not a simple yes or no. Alloy 825 is one of the more dependable nickel-iron-chromium grades for sulfuric acid duty, but its behavior changes sharply with acid concentration, temperature, aeration, and contamination. In practice, that is exactly why some plants get long service life from 825 while others see rapid thinning, weld-area attack, or upset-driven corrosion after what looked like a \u201csafe\u201d material selection on paper. From a metallurgy standpoint, 825 was built for mixed corrosive environments rather than for one narrow condition. Its nickel base helps suppress chloride stress-corrosion cracking; chromium supports passivation in […]<\/p>","protected":false},"author":1,"featured_media":3517,"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-3515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1775009398:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["66"],"rank_math_description":["Wrong alloy fails fast in acid service. 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Alloy 825 is one of the more dependable nickel-iron-chromium grades for sulfuric acid duty, but its behavior changes sharply with acid concentration, temperature, aeration, and contamination. In practice, that is exactly why some plants…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3515","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=3515"}],"version-history":[{"count":1,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3515\/revisions"}],"predecessor-version":[{"id":3518,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3515\/revisions\/3518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3517"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}