{"id":2449,"date":"2026-01-23T10:08:45","date_gmt":"2026-01-23T09:08:45","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2449"},"modified":"2026-01-30T03:00:49","modified_gmt":"2026-01-30T02:00:49","slug":"%e5%90%88%e9%87%9120%e3%81%a8%e3%82%a4%e3%83%b3%e3%82%b3%e3%83%ad%e3%82%a4825%e3%81%ae%e9%87%8d%e8%a6%81%e3%81%aa%e7%92%b0%e5%a2%83%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e6%8a%80%e8%a1%93%e6%af%94","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/%e5%90%88%e9%87%9120%e3%81%a8%e3%82%a4%e3%83%b3%e3%82%b3%e3%83%ad%e3%82%a4825%e3%81%ae%e9%87%8d%e8%a6%81%e3%81%aa%e7%92%b0%e5%a2%83%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e6%8a%80%e8%a1%93%e6%af%94\/","title":{"rendered":"\u5408\u91d120\u3068\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u6bd4\u8f03\uff1a\u91cd\u8981\u74b0\u5883\u306b\u304a\u3051\u308b\u6280\u8853\u6bd4\u8f03"},"content":{"rendered":"

\u8150\u98df\u6027\u306e\u9ad8\u3044\u5de5\u696d\u7528\u9014\u306b\u9069\u3057\u305f\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u30012\u3064\u306e\u5f37\u529b\u306a\u30cb\u30c3\u30b1\u30eb-\u9244-\u30af\u30ed\u30e0\u5408\u91d1\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\uff1a\u5408\u91d120 (UNS N08020)\u3068\u30a4\u30f3\u30b3\u30ed\u30a4825 (UNS N08825)\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u8150\u98df\u6027\u306e\u5f37\u3044\u5a92\u4f53\u306b\u8010\u3048\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u51b6\u91d1\u7684\u306a\u5fae\u5999\u306a\u9055\u3044\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u5316\u5b66\u30d7\u30ed\u30bb\u30b9\u306b\u9069\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5408\u91d1\u306e\u6280\u8853\u7684\u306a\u9055\u3044\u3001\u6027\u80fd\u57fa\u6e96\u3001\u9078\u629e\u57fa\u6e96\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n

\"\"<\/p>\n

\u5408\u91d120\u3068\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u6bd4\u8f03<\/h2>\n

\u51b6\u91d1\u5b66\u7684\u89b3\u70b9\u304b\u3089\u898b\u308b\u3068\u3001\u3053\u308c\u30892\u3064\u306e\u6750\u6599\u306f\u3044\u305a\u308c\u3082\u300c\u30b9\u30fc\u30d1\u30fc\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u300d\u3001\u3059\u306a\u308f\u3061\u9ad8\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3067\u3042\u308a\u3001\u6a19\u6e96\u7684\u306a300\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u9ad8\u30b3\u30b9\u30c8\u306e\u30cb\u30c3\u30b1\u30eb\u57fa\u8d85\u5408\u91d1\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5b89\u5b9a\u5316\u5143\u7d20\u3084\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u306b\u304a\u3044\u3066\u4e21\u8005\u306f\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u300c\u30ab\u30fc\u30da\u30f3\u30bf\u30fc20\u300d\u3068\u3082\u547c\u3070\u308c\u308b\u30a2\u30ed\u30a420\u306f\u3001\u30cb\u30aa\u30d6\uff08\u30b3\u30ed\u30f3\u30d3\u30a6\u30e0\uff09\u306b\u3088\u3063\u3066\u5b89\u5b9a\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6dfb\u52a0\u306b\u3088\u308a\u3001\u6eb6\u63a5\u6642\u306e\u70ad\u5316\u7269\u306e\u6790\u51fa\u304c\u6291\u5236\u3055\u308c\u3001\u7c92\u754c\u8150\u98df\u304c\u9632\u6b62\u3055\u308c\u307e\u3059\u3002 \u4e00\u65b9\u3001\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u30c1\u30bf\u30f3\u306b\u3088\u3063\u3066\u5b89\u5b9a\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u540c\u69d8\u306e\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u304c\u3001\u9178\u5316\u74b0\u5883\u4e0b\u3067\u306f\u7570\u306a\u308b\u6319\u52d5\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n

\u5316\u5b66\u7684\u30fb\u6a5f\u68b0\u7684\u7279\u6027\u306e\u6bd4\u8f03<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
\u30d7\u30ed\u30d1\u30c6\u30a3<\/td>\n\u5408\u91d120 (UNS N08020)<\/td>\n\u30a4\u30f3\u30b3\u30ed\u30a4825 (UNS N08825)<\/td>\n<\/tr>\n<\/thead>\n
\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09 %<\/td>\n32.5 - 38.0<\/td>\n38.0 - 46.0<\/td>\n<\/tr>\n
\u30af\u30ed\u30e0\uff08Cr\uff09 %<\/td>\n19.0 - 21.0<\/td>\n19.5 - 23.5<\/td>\n<\/tr>\n
\u9285\uff08Cu\uff09 %<\/td>\n3.0 - 4.0<\/td>\n1.5 - 3.0<\/td>\n<\/tr>\n
\u30e2\u30ea\u30d6\u30c7\u30f3\uff08Mo\uff09 %<\/td>\n2.0 - 3.0<\/td>\n2.5 - 3.5<\/td>\n<\/tr>\n
\u30b9\u30bf\u30d3\u30e9\u30a4\u30b6\u30fc<\/td>\n\u30cb\u30aa\u30d6<\/td>\n\u30c1\u30bf\u30f3\uff08Ti\uff09<\/td>\n<\/tr>\n
\u5f15\u5f35\u5f37\u3055\uff08ksi\uff09<\/td>\n80\u5206<\/td>\n85\u5206<\/td>\n<\/tr>\n
\u964d\u4f0f\u5f37\u3055\uff080.2%\u30aa\u30d5\u30bb\u30c3\u30c8\u3001ksi\uff09<\/td>\n35\u5206<\/td>\n35\u5206<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30a4\u30f3\u30b3\u30ed\u30a4825\u304c\u9ad8\u3044\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u3092\u8a87\u308a\u3001\u5869\u5316\u7269\u306b\u8d77\u56e0\u3059\u308b\u5fdc\u529b\u8150\u98df\u5272\u308c\uff08SCC\uff09\u306b\u5bfe\u3057\u3066\u512a\u308c\u305f\u8010\u6027\u3092\u6301\u3064\u306e\u306b\u5bfe\u3057\u3001\u5408\u91d120\u306f\u9285\u306e\u542b\u6709\u91cf\u304c\u9ad8\u3044\u306e\u304c\u7279\u5fb4\u3067\u3001\u3053\u308c\u304c\u9178\u3092\u9084\u5143\u3059\u308b\u969b\u306e\u4f1d\u8aac\u7684\u306a\u6027\u80fd\u306e\u79d8\u5bc6\u3068\u306a\u3063\u3066\u3044\u308b\u3002.<\/p>\n

\u5408\u91d120\u3068\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u6bd4\u8f03<\/h2>\n

\u30a2\u30ed\u30a420\u3068\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u3069\u3061\u3089\u3092\u9078\u3076\u304b\u3068\u3044\u3046\u5224\u65ad\u306f\u3001\u3069\u3061\u3089\u304c\u300c\u512a\u308c\u3066\u3044\u308b\u300d\u304b\u3068\u3044\u3046\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u7279\u5b9a\u306e\u74b0\u5883\u306e\u5316\u5b66\u7684\u6761\u4ef6\u306b\u3068\u3063\u3066\u3069\u3061\u3089\u304c\u300c\u9069\u5207\u300d\u304b\u3068\u3044\u3046\u554f\u984c\u3067\u3042\u308b\u3002.<\/p>\n

    \n
  1. \n

    \u8010\u5869\u5316\u7269\u6027\uff1a\u6d77\u6c34\u3084\u6c7d\u6c34\u306a\u3069\u306e\u9ad8\u6fc3\u5ea6\u306e\u5869\u5316\u7269\u3092\u542b\u3080\u7528\u9014\u3067\u3001\u5b54\u98df\u3084\u9699\u9593\u8150\u98df\u304c\u61f8\u5ff5\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u901a\u5e38\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u30cb\u30c3\u30b1\u30eb\u306e\u542b\u6709\u91cf\u304c\u9ad8\u3044\u305f\u3081\u3001\u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570(PREN)\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<\/li>\n

  2. \n

    \u6e29\u5ea6\u9650\u754c\uff1a\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u4e00\u822c\u7684\u306b\u4ee5\u4e0b\u306e\u6e29\u5ea6\u307e\u3067\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002 1000\u2218F<\/span> (540\u2218C<\/span>)\u3067\u3042\u308b\u304c\u3001\u305d\u306e\u6a5f\u68b0\u7684\u7279\u6027\u306f\u6975\u4f4e\u6e29\u3067\u3082\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3002\u3092\u4e0b\u56de\u308b\u6e29\u5ea6\u3067\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002 800\u2218F<\/span>.<\/p>\n<\/li>\n

  3. \n

    \u30b3\u30b9\u30c8\u52b9\u7387\uff1a\u6b74\u53f2\u7684\u306b\u3001\u786b\u9178\u306b\u7279\u5316\u3057\u305f\u5316\u5b66\u51e6\u7406\u30d7\u30e9 \u30f3\u30c8\u3067\u306f\u3001\u5408\u91d120\u306e\u65b9\u304c\u8cbb\u7528\u5bfe\u52b9\u679c\u306b\u512a\u308c \u3066\u3044\u308b\u3002\u3057\u304b\u3057\u3001\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u77f3\u6cb9\u30fb\u30ac\u30b9\u5206\u91ce\u3067\u3088\u308a\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c\u9ad8\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e16\u754c\u7684\u306b\u5165\u624b\u53ef\u80fd\u306a\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u65b9\u304c\u5165\u624b\u3057\u3084\u3059\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<\/li>\n<\/ol>\n

    \"\"<\/h2>\n

    \u786b\u9178\u7528\u5408\u91d120 vs 825<\/h2>\n

    \u786b\u9178H2SO4<\/span>)\u304c\u3053\u308c\u30892\u3064\u306e\u5408\u91d1\u306e\u4e3b\u306a\u6226\u5834\u3067\u3042\u308b\u3002\u5408\u91d120\u306f\u7279\u306b\u786b\u9178\u7528\u306b\u958b\u767a\u3055\u308c\u305f\u3002\u305d\u306e\u9ad8\u3044\u9285\u542b\u6709\u91cf(3.0-4.0%<\/span>)\u306f\u3001316L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u6025\u901f\u306b\u7834\u58ca\u3059\u308b\u6fc3\u5ea6\u3067\u3042\u3063\u3066\u3082\u3001\u3053\u306e\u9084\u5143\u6027\u9178\u306e\u5b58\u5728\u4e0b\u3067\u4fdd\u8b77\u819c\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n

      \n
    • \n

      Alloy 20\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff1a\u3053\u308c\u306f\u3057\u3070\u3057\u3070\u3001\u2026\u2026\u306e\u300c\u30b4\u30fc\u30eb\u30c9\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u300d\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 20%<\/span> \u3078\u306e 40%<\/span> \u9ad8\u6e29\u3067\u306e\u786b\u9178\u3002\u307e\u3067\u306e\u5168\u6fc3\u5ea6\u7bc4\u56f2\u3067\u512a\u308c\u305f\u8010\u6027\u3092\u793a\u3059\u3002 150\u2218F<\/span> (65\u2218C<\/span>).<\/p>\n<\/li>\n

    • \n

      \u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u6027\u80fd\uff1a\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f H2SO4<\/span>, \u3001\u9178\u304c\u300c\u6df7\u5408\u300d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3064\u307e\u308a\u9178\u5316\u6027\u5869\uff08\u9244(III)\u30a4\u30aa\u30f3\u3084\u9285(II)\u30a4\u30aa\u30f3\u306a\u3069\uff09\u3084\u5869\u5316\u7269\u3092\u542b\u3093\u3067\u3044\u308b\u5834\u5408\u3001\u305d\u308c\u304c\u3057\u3070\u3057\u3070\u597d\u307e\u308c\u308b\u3002\u9ad8\u6e29\u3067\u9ad8\u6fc3\u5ea6\u306e\u786b\u9178\u3067\u306f\uff08>90%<\/span>\u306e\u3088\u3046\u306a\u7279\u6b8a\u306a\u6750\u6599\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<\/li>\n<\/ul>\n

      \u8981\u7d04\u3059\u308b\u3068\u3001\u7d14\u7c8b\u3067\u300c\u30af\u30ea\u30fc\u30f3\u300d\u306a\u786b\u9178\u30eb\u30fc\u30d7\u306e\u5834\u5408\u3001\u30a2\u30ed\u30a420\u304c\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u8010\u4e45\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u8907\u96d1\u3067\u4e0d\u7d14\u7269\u3092\u542b\u3080\u5316\u5b66\u6d41\u4f53\u306e\u5834\u5408\u3001\u30a4\u30f3\u30b3\u30ed\u30a4825\u306e\u65b9\u304c\u3088\u308a\u5e45\u5e83\u3044\u4fdd\u8b77\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/p>\n

      \n

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

      Q1: \u30a2\u30ed\u30a420\u306f\u30a4\u30f3\u30b3\u30ed\u30a4825\u3088\u308a\u5fdc\u529b\u8150\u98df\u5272\u308c(SCC)\u306b\u5f37\u3044\u3067\u3059\u304b\uff1fAlloy20\u306fSCC\u306b\u5f37\u3044\u3067\u3059\u304c\u3001\u30a4\u30f3\u30b3\u30ed\u30a4825\u306f\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c\u591a\u3044\u306e\u3067\u3001SCC\u306b\u5bfe\u3059\u308b\u8010\u6027\u306f\u52a3\u308a\u307e\u3059\u300238-46%<\/span>)\u306f\u3001\u6975\u9650\u74b0\u5883\u306b\u304a\u3051\u308b\u5869\u5316\u7269\u8a98\u8d77\u5fdc\u529b\u8150\u98df\u5272\u308c\u306b\u5bfe\u3057\u3066\u3001\u3084\u3084\u5f37\u56fa\u306a\u9632\u5fa1\u3092\u63d0\u4f9b\u3059\u308b\u3002.<\/p>\n

      Q2: Alloy 20\u306f\u785d\u9178\u3067\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f\u306f\u3044\u3002\u30af\u30ed\u30e0\u3092\u542b\u6709\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u785d\u9178\u306e\u3088\u3046\u306a\u9178\u5316\u6027\u306e\u9178\u306b\u306f\u5f37\u3044\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f46\u3057\u3001\u9178\u5316\u6027\u306e\u5f37\u3044\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u6fc3\u5ea6\u3084\u6e29\u5ea6\u306b\u3088\u3063\u3066\u306f\u30a4\u30f3\u30b3\u30ed\u30a4825\u3084\u30a2\u30ed\u30a4600\u304c\u8a55\u4fa1\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n

      Q3: \u3069\u3061\u3089\u306e\u5408\u91d1\u306e\u65b9\u304c\u6eb6\u63a5\u3057\u3084\u3059\u3044\u3067\u3059\u304b\uff1f\u3069\u3061\u3089\u306e\u5408\u91d1\u3082\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u5408\u91d120\u306f\u30cb\u30aa\u30d6\u5b89\u5b9a\u5316\u306b\u3088\u308a\u3001\u71b1\u5f71\u97ff\u90e8 (HAZ)\u3067\u306e\u7c92\u754c\u8150\u98df\u306b\u975e\u5e38\u306b\u5f37\u3044\u3002\u9069\u5207\u306a\u6eb6\u52a0\u6750\uff08\u4f8b\u3048\u3070\u3001\u5408\u91d120\u3067\u306fER320LR\u3001825\u3067\u306fERNiCrMo-3\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u8010\u98df\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

      Selecting the right material for highly corrosive industrial applications often leads to a comparison between two powerhouse nickel-iron-chromium alloys: Alloy 20 (UNS N08020) and Incoloy 825 (UNS N08825). While both are engineered to withstand aggressive media, their metallurgical nuances dictate their suitability for specific chemical processes. This article explores the technical differences, performance benchmarks, and selection criteria for these alloys. Alloy 20 vs Incoloy 825 comparison From a metallurgical perspective, both materials are “super-austenitic” or high-nickel alloys designed to bridge the gap between standard 300-series stainless steels and high-cost nickel-base superalloys. However, their stabilizing elements and nickel content set them apart. Alloy 20, often referred to as “Carpenter 20,” is […]<\/p>\n","protected":false},"author":1,"featured_media":2454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2449","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2449","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=2449"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2449\/revisions"}],"predecessor-version":[{"id":2456,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2449\/revisions\/2456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/2454"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=2449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=2449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=2449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}