{"id":3571,"date":"2026-04-05T11:27:04","date_gmt":"2026-04-05T10:27:04","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3571"},"modified":"2026-04-05T11:27:04","modified_gmt":"2026-04-05T10:27:04","slug":"alloy-20-welding-filler-selection-for-valve-bodies","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/alloy-20-welding-filler-selection-for-valve-bodies\/","title":{"rendered":"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e"},"content":{"rendered":"

\u3067 \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e<\/strong>, \u6700\u521d\u306e\u9593\u9055\u3044\u306f\u3001\u300c\u5316\u5b66\u7684\u6027\u8cea\u304c\u5408\u3046\u300d\u3060 \u3051\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u3068\u8003\u3048\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u5408\u91d120\uff08UNS N08020\uff09\u304c\u4f7f\u7528\u3055\u308c\u308b\u306e\u306f\u3001 \u786b\u9178\u3092\u3088\u304f\u51e6\u7406\u3057\u3001\u5869\u5316\u7269\u3001\u785d\u9178\u3001\u30ea\u30f3\u9178\u74b0\u5883 \u3067\u6709\u7528\u306a\u8010\u6027\u3092\u793a\u3057\u3001\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406\u306a\u3057\u306b \u6eb6\u63a5\u72b6\u614b\u3067\u52a0\u5de5\u3067\u304d\u308b\u304b\u3089\u3067\u3042\u308b\u3002\u7c21\u5358\u305d\u3046\u306b\u805e\u3053\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u306f\u305d\u3046\u3067\u306f\u306a\u3044\u3002\u9069\u5207\u306a\u5145\u586b\u6750\u306f\u3001\u63a5\u5408\u90e8 \u6750\u304c\u5408\u91d120\u304b\u3089\u5408\u91d120\u3078\u3001\u5408\u91d120\u304b\u3089\u4ed6 \u306e\u5408\u91d1\u3078\u3001\u307e\u305f\u306f\u5e0c\u91c8\u306b\u3088\u3063\u3066\u6eb6\u63a5\u91d1\u5c5e\u9593\u306e \u5316\u5b66\u7684\u6027\u8cea\u304c\u610f\u56f3\u3057\u305f\u8150\u98df\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u305a \u308c\u308b\u8089\u76db\/\u88dc\u4fee\u90e8\u4f4d\u304b\u3069\u3046\u304b\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002.<\/p>\n

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\"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\"<\/p>\n

\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u30e1\u30bf\u30eb\u306e\u9078\u629e\u306f\u3001\u7d99\u624b\u30bf\u30a4\u30d7\u304b\u3089\u59cb\u307e\u308b<\/h2>\n

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\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u3082\u3046\u4e00\u3064\u306e\u30dd\u30a4\u30f3\u30c8\u3002 \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e<\/strong> \u306f\u30d7\u30ed\u30bb\u30b9\u306e\u898f\u5f8b\u3067\u3042\u308b\u300220Cb-3\u306e\u88fd\u9020\u30ac\u30a4\u30c0\u30f3\u30b9\u3067\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u5165\u71b1\u3092\u4f4e\u304f\u6291\u3048\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u308b\u3002\u306a\u305c\u306a\u3089\u3001\u6fe1\u308c\u3084\u6eb6\u3051\u8fbc\u307f\u3092\u5f37\u5236\u3059\u308b\u305f\u3081\u306b\u30a2\u30fc\u30af\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u306f\u3001\u9593\u9055\u3063\u305f\u4fee\u6b63\u3060\u304b\u3089\u3067\u3042\u308b\u3002\u30d1\u30a4\u30d7\u306e\u6839\u5143\u3084\u305d\u306e\u4ed6\u306e\u5b8c\u5168\u306b\u8cab\u901a\u3057\u305f\u7d99\u624b\u306b\u3064\u3044\u3066\u306f\u3001\u540c\u3058\u30ac\u30a4\u30c0\u30f3\u30b9\u304c\u30015000ppm\u4ee5\u4e0b\u306e\u9178\u7d20\u307e\u3067\u30d1\u30fc\u30b8\u3059\u308b\u3088\u3046\u6c42\u3081\u3066\u304a\u308a\u3001GTAW\u3092\u6700\u3082\u9069\u5207\u306a\u88dc\u4fee\u65b9\u6cd5\u3068\u3057\u3066\u3044\u308b\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u6eb6\u52a0\u6750\u306e\u9078\u629e\u306f\u3001\u6eb6\u63a5\u624b\u9806 \u306e\u54c1\u8cea\u3068\u5207\u308a\u96e2\u3059\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u30eb\u30fc\u30c8\u30fb\u30d1\u30b9\u306e\u7ba1\u7406\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u3001\u6b63\u3057\u3044\u6d88\u8017 \u54c1\u3092\u4f7f\u7528\u3057\u3066\u3082\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u306e\u6eb6\u63a5\u90e8\u306f\u4e0d\u826f\u54c1\u3068 \u306a\u308b\u3002.<\/p>\n

\u5b9f\u7528\u30d5\u30a3\u30e9\u30fc\u6c7a\u5b9a\u8868<\/h3>\n
\n
\n\n\n\n\n\n\n\n\n\n
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\u5408\u91d120\u540c\u58eb\u306e\u7a81\u304d\u5408\u308f\u305b\u6eb6\u63a5\u3001\u9685\u8089\u6eb6\u63a5\u3001\u307e\u305f\u306f\u6a19\u6e96\u7684\u306a\u30dc\u30c7\u30a3\u88dc\u4fee<\/td>\ner320lr \/ e320lr<\/strong><\/td>\n20Cb-3\/UNS N08020\u6eb6\u63a5\u7528\u306e\u901a\u5e38\u306e\u9078\u629e\u80a2\u3002LR\u5316\u5b66\u306f\u3001\u8010\u98df\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u71b1\u9593\u5272\u308c\u3068\u5fae\u5c0f\u4e80\u88c2\u3092\u4f4e\u6e1b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002.<\/td>\n<\/tr>\n
\u30af\u30e9\u30c3\u30af\u306e\u5236\u5fa1\u304c\u91cd\u8981\u306a\u539a\u8089\u307e\u305f\u306f\u62d8\u675f\u3055\u308c\u305f\u30a2\u30ed\u30a420\u90e8\u5206<\/td>\nER320LR\u3001\u901a\u5e38\u306fGTAW\u30eb\u30fc\u30c8\u30d1\u30b9\u307e\u305f\u306f\u30ea\u30da\u30a2\u30d1\u30b9\u4ed8\u304d<\/strong><\/td>\n320LR\u306e\u7d14\u5ea6\u306f\u3001\u5f93\u6765\u306e320\u30d5\u30a3\u30e9\u30fc\u3088\u308a\u3082 \u6eb6\u63a5\u6027\u3092\u5411\u4e0a\u3055\u305b\u3066\u3044\u308b\u3002.<\/td>\n<\/tr>\n
\u5408\u91d120\u306e\u30af\u30e9\u30c3\u30c9\u304b\u3089\u92fc\u9244\u3078\u306e\u30dc\u30c7\u30a3\u90e8\u5206\u3001\u307e\u305f\u306f\u92fc\u9244\u306e\u5e0c\u91c8\u304c\u907f\u3051\u3089\u308c\u306a\u3044\u30ea\u30d3\u30eb\u30c8\u54c1<\/td>\nER320LR\u306f\u30af\u30e9\u30c3\u30c9\u5c64\u7528\u3002\u9069\u683c\u6027\u304c\u6b63\u5f53\u5316 \u3055\u308c\u308b\u5834\u5408\u306e\u307f\u3001\u3088\u308a\u9ad8\u3044\u5408\u91d1\u306e\u30d0\u30c3\u30d5\u30a1 \u30fc\uff0f\u30eb\u30fc\u30c8\u3092\u691c\u8a0e\u3059\u308b\u3002<\/strong><\/td>\n\u5727\u5ef6\u5408\u91d1\u3067\u306f\u3001\u30af\u30e9\u30c3\u30c9\u5074\u306bER320LR\/E320LR\u3092\u6307\u5b9a\u3059\u308b\u4e00\u65b9\u3001\u7279\u5b9a\u306e\u30b1\u30fc\u30b9\u3067\u306f\u92fc\u306e\u5e0c\u91c8\u306b\u5bfe\u6297\u3059\u308b\u305f\u3081\u306b\u9ad8\u5408\u91d1\u30eb\u30fc\u30c8\u3082\u8a8d\u3081\u3066\u3044\u308b\u3002.<\/td>\n<\/tr>\n
\u3088\u308a\u5e83\u3044\u5c40\u90e8\u8150\u98df\u30de\u30fc\u30b8\u30f3\u304c\u5fc5\u8981\u306a\u30d0\u30eb\u30d6\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u8089\u76db\u6eb6\u63a5\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u6eb6\u63a5<\/td>\nENiCrMo-3\u304c\u8003\u3048\u3089\u308c\u308b<\/strong><\/td>\nNiCrMo-3\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u30af\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u7279\u306b\u30d0\u30eb\u30d6\u90e8\u54c1\u3084\u30d1\u30a4\u30d7\u306eID\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306b\u4f7f\u7528\u3055\u308c\u3001\u8010\u5b54\u98df\u6027\/\u8010SCC\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002.<\/td>\n<\/tr>\n
\u4e0d\u660e\u78ba\u306a\u7570\u7a2e\u63a5\u5408\u3001\u307e\u305f\u306f\u91cd\u5ea6\u306e\u30df\u30c3\u30af\u30b9\u30e1\u30c7\u30a3\u30a2\u30fb\u30b5\u30fc\u30d3\u30b9<\/td>\n\u7fd2\u6163\u3067\u9078\u3070\u305a\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e\u627f\u8a8d\u3092\u5f97\u3066WPS\u3092\u8a8d\u5b9a\u3059\u308b\u3002<\/strong><\/td>\n\u5727\u5ef6\u5408\u91d1\u306f\u3001\u7570\u6750\u7d99\u624b\u7528\u306e\u6700\u7d42\u7684\u306a\u30d5\u30a3\u30e9\u30fc\u306e\u9078 \u629e\u306f\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e\u627f\u8a8d\u3068\u52a0\u5de5\u696d\u8005\u306e\u8a8d\u5b9a\u3092\u53d7 \u3051\u308b\u3079\u304d\u3067\u3042\u308b\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u5408\u91d120\u306e\u6eb6\u63a5\u6eb6\u52a0\u6750\u3092\u30d0\u30eb\u30d6\u672c\u4f53\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001320LR\u3092\u8d85\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/h2>\n

\u591a\u304f\u306e\u8a18\u4e8b\u304c\u6d45\u3059\u304e\u308b\u3002. ENiCrMo-3\u306f\u3001\u901a\u5e38\u3001Alloy 20\u3068Alloy 20\u306e\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u6eb6\u63a5\u306e\u7b2c\u4e00\u5019\u88dc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/strong> 320LR\u9271\u5e8a\u306f\u3001\u610f\u56f3\u3055\u308c\u305f\u5408\u91d120\u306e\u51b6\u91d1\u5b66\u7684\u6027\u8cea\u306b\u8fd1\u304f\u3001\u305d\u306e\u4ed5\u4e8b\u306e\u51fa\u767a\u70b9\u3068\u3057\u3066\u78ba\u7acb\u3055\u308c\u3066\u3044\u308b\u3002\u3057\u304b\u3057 \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e<\/strong> \u6eb6\u63a5\u90e8\u304c\u771f\u306b\u5747\u8cea\u3067\u306a\u304f\u306a\u308b\u3068\u3001NiCrMo-3 \u306f\u5909\u5316\u3059\u308b\u3002\u9077\u79fb\u5c64\u306e\u5f62\u6210\u3001\u90e8\u54c1\u306e\u91cd\u306d\u5408\u308f\u305b\u3001\u307e\u305f\u306f\u4f7f\u7528 \u74b0\u5883\u304c\u6bcd\u5408\u91d1\u306e\u9078\u629e\u3060\u3051\u3067\u793a\u5506\u3055\u308c\u308b\u3088\u308a\u3082\u5bdb\u5bb9 \u3067\u306a\u3044\u7d99\u624b\u306e\u8a8d\u5b9a\u3092\u884c\u3046\u5834\u5408\u3001NiCrMo-3\u306f\u30d0\u30eb\u30d6\u90e8\u54c1 \u7528\u306e\u88ab\u8986\u5408\u91d1\u3068\u3057\u3066\u78ba\u7acb\u3055\u308c\u3066\u304a\u308a\u3001\u5b54\u98df\u3084\u5fdc\u529b\u8150\u98df \u5272\u308c\u306b\u5bfe\u3059\u308b\u5f37\u529b\u306a\u8010\u6027\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u91cd\u5927\u306a \u6280\u8853\u7684\u9078\u629e\u80a2\u3068\u306a\u308b\u3002.<\/p>\n

\u3068\u306f\u3044\u3048\u3001\u8150\u98df\u30ed\u30b8\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306a \u3057\u306b\u3001ENiCrMo-3\u3092\u5b89\u6613\u306a\u300c\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u300d \u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002Alloy20\u30af\u30e9\u30c3\u30c9\u5468\u8fba\u306e\u92fc\u6750\u306e\u5e0c\u91c8\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u88fd\u9020\u30ac\u30a4\u30c0\u30f3\u30b9\u306f\u30011\u3064\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u304c\u3059\u3079\u3066\u306e\u754c\u9762\u306b\u9069\u5408\u3059\u308b\u3068\u4eee\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b\u306fC-22\u30af\u30e9\u30b9\u306e\u30eb\u30fc\u30c8\u6750\u3092\u3055\u3089\u306b\u4e0a\u65b9\u3078\u6307\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5f93\u3063\u3066 \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e<\/strong> \u3069\u306e\u30d5\u30a3\u30e9\u30fc\u304c\u4e00\u756a\u5f37\u3044\u304b\uff1f\u305d\u308c\u306f\u300c\u5e0c\u91c8\u3001\u62d8\u675f\u3001\u5165\u71b1\u3001\u88dc\u4fee\u30b5\u30a4\u30af\u30eb\u304c\u8003\u616e\u3055\u308c\u305f\u5f8c\u3067\u3082\u3001\u3069\u306e\u6790\u51fa\u5316\u5b66\u7269\u8cea\u304c\u6700\u3082\u8150\u98df\u8981\u4ef6\u306b\u8fd1\u3044\u72b6\u614b\u3092\u7dad\u6301\u3067\u304d\u308b\u304b\uff1f\u3053\u308c\u304c\u3001\u6709\u80fd\u306aWPS\u8cc7\u683c\u8005\u304c\u7b54\u3048\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u8cea\u554f\u3067\u3042\u308b\u3002.<\/p>\n

\u767a\u6ce8\u66f8\u3092\u51cd\u7d50\u3055\u305b\u308b\u524d\u306b\u3001\u79c1\u306a\u30895\u3064\u306e\u9805 \u76ee\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6bcd\u6750MTR\u3001\u5404\u6eb6\u63a5\u754c\u9762\u306e\u76f8\u624b \u5408\u91d1\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u5316\u5b66\u6210\u5206\u3001\u8a31\u5bb9\u5e0c\u91c8\u6226\u7565\u3001\u30ed\u30c3 \u30c8\u30fb\u30ec\u30d9\u30eb\u306e\u30d5\u30a3\u30e9\u30fc\u8a8d\u8a3c\u3067\u3042\u308b\u3002Rolled Alloys\u793e\u306f\u3001\u30a8\u30f3\u30c9\u30fb\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057 \u3066\u3001\u52a0\u5de5\u306b\u4f7f\u7528\u3055\u308c\u308bAlloy20\u6750\u6599\u3068\u6eb6\u63a5\u30d5\u30a3\u30e9 \u30fc\u91d1\u5c5e\u306e\u30df\u30eb\u5206\u6790\u30b7\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u3092\u7279 \u306b\u63a8\u5968\u3057\u3066\u3044\u308b\u3002\u30d0\u30eb\u30d6\u30e1\u30fc\u30ab\u30fc\u3084EPC\u30d0\u30a4\u30e4\u30fc\u306b\u3068\u3063\u3066\u3001\u3053\u306e\u4e8b\u52d9\u4f5c\u696d\u306f\u7ba1\u7406\u4e0a\u306e\u30ce\u30a4\u30ba\u3067\u306f\u306a\u304f\u3001\u8150\u98df\u30ea\u30b9\u30af\u7ba1\u7406\u306e\u4e00\u90e8\u3067\u3059\u3002.<\/p>\n

\"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\"<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u307b\u3068\u3093\u3069\u306e\u751f\u7523\u6eb6\u63a5\u306b\u5bfe\u5fdc\u3001, \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u5408\u91d120\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e<\/strong> \u3067\u59cb\u307e\u308b\u3079\u304d\u3067\u3042\u308b\u3002 ER320LR\/E320LR<\/strong>, \u4e00\u822c\u7684\u306a\u30cb\u30c3\u30b1\u30eb\u30d5\u30a3\u30e9\u30fc\u3067\u3082\u306a\u304f\u3001\u5165\u624b\u53ef\u80fd\u6027\u306b\u57fa\u3065\u304f\u63a8\u6e2c\u3067\u3082\u306a\u3044\u3002\u79fb\u52d5 ENiCrMo-3<\/strong> \u306f\u3001\u63a5\u5408\u90e8\u306e\u6a5f\u80fd\u3001\u5e0c\u91c8\u30d1\u30bf\u30fc\u30f3\u3001\u8150\u98df\u30de\u30fc\u30b8\u30f3\u304c\u3001\u672c\u5f53\u306b\u904e\u5408\u91d1\u6790\u51fa\u3092\u6b63\u5f53\u5316\u3059\u308b\u5834\u5408\u306b\u306e\u307f\u4f7f\u7528\u3055\u308c\u308b\u3002\u30d0\u30eb\u30d6\u672c\u4f53\u306b\u7570\u7a2e\u754c\u9762\u3001\u30af\u30e9\u30c3\u30c9\u90e8\u3001\u7e70\u308a\u8fd4\u3057\u884c\u308f\u308c\u308b\u88dc\u4fee\u6eb6\u63a5\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u30d5\u30a3\u30e9\u30fc\u306e\u6c7a\u5b9a\u306f\u3001\u8cfc\u8cb7\u7fd2\u6163\u3067\u306f\u306a\u304f\u3001\u8150\u98df\u8ad6\u7406\u306b\u88cf\u6253\u3061\u3055\u308c\u305f\u8cc7\u683c\u306e\u3042\u308bWPS\u306e\u5185\u90e8\u3067\u884c\u308f\u308c\u308b\u3002.<\/p>\n

\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u56f3\u9762\u3001\u4fee\u7406\u8a08\u753b\u3001WPS\u3092Alloy20\u3067\u8a55\u4fa1\u3059\u308b\u5834\u5408\u300128Nickel\u306f\u6d88\u8017\u54c1\u3092\u30ed\u30c3\u30af\u3059\u308b\u524d\u306b\u3001\u63a5\u5408\u90e8\u306e\u8a2d\u8a08\u3001\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\u3001\u6587\u66f8\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u898b\u76f4\u3057\u3092\u304a\u624b\u4f1d\u3044\u3057\u307e\u3059\u3002.<\/p>\n

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

1.\u6a19\u6e96\u7684\u306a\u5408\u91d120\u306e\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u7d99\u304e\u76ee\u306f\u3001ER320LR\u3068ENiCrMo-3\u306e\u3069\u3061\u3089\u304c\u826f\u3044\u3067\u3059\u304b\uff1f<\/strong>
\u901a\u5e38\u306e\u5408\u91d120\u540c\u58eb\u306e\u7d99\u304e\u76ee\u306e\u5834\u5408\u3001, ER320LR<\/strong> \u306f\u300120Cb-3\/UNS N08020\u306e\u6a19\u6e96\u30d5\u30a3\u30e9\u30fc\u65b9\u5411\u3067\u3042\u308a\u3001\u305d\u306e\u4f4e\u6b8b\u6e23\u6027\u306f\u71b1\u9593\u5272\u308c\u3092\u4f4e\u6e1b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u5e38\u3001\u3088\u308a\u826f\u3044\u51fa\u767a\u70b9\u3067\u3042\u308b\u3002. ENiCrMo-3<\/strong> \u306f\u3001\u5358\u7d14\u306a\u5408\u91d1\u7d99\u624b\u3068\u3044\u3046\u3088\u308a\u306f\u3001\u8089\u76db\u3001 \u79fb\u884c\u3001\u8150\u98df\u30de\u30fc\u30b8\u30f3\u306e\u6539\u5584\u3068\u3057\u3066\u6eb6\u63a5\u304c\u6a5f\u80fd\u3059 \u308b\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n

2.\u30a2\u30ed\u30a420\u306f\u901a\u5e38\u3001\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u6eb6\u63a5\u5f8c\u306b\u71b1\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/strong>
\u901a\u5e38\u306f\u884c\u308f\u306a\u3044\u3002Alloy20\u306e\u516c\u8868\u30c7\u30fc\u30bf\u3067\u306f\u3001\u6eb6\u63a5\u52a0\u5de5\u54c1\u306f\u901a\u5e38\u3001 \u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\u306a\u3057\u3067\u4f7f\u7528\u3055\u308c\u308b\u3002 \u30cb\u30c3\u30b1\u30eb\u5408\u91d1<\/a> \u304c\u3001\u6eb6\u63a5\u306e\u5b9f\u8df5\u3067\u306f\u3057\u3070\u3057\u3070\u52b9\u679c\u304c\u306a\u304b\u3063\u305f\u308a\u3001\u6709\u5bb3\u3067\u3055\u3048\u3042\u308b\u3002.<\/p>\n

3.\u30a2\u30ed\u30a420\u306e\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u6eb6\u63a5\u3067\u6700\u5927\u306e\u52a0\u5de5\u30df\u30b9\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong>
\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u629e\u306f\u3001\u5e0c\u91c8\u3068\u8150\u98df\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u30ab\u30bf\u30ed\u30b0\u306e\u9078\u629e\u3068\u3057\u3066\u6271\u3046\u3002\u4f4e\u5165\u71b1\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30d1\u30fc\u30b8\u3001\u9069\u5207\u306a\u30d5\u30a3\u30e9\u30fc\u30af \u30e9\u30b9\u306f\u3001\u5171\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u9069\u5207\u306a\u30d5\u30a3\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3082\u3001\u6839\u5143\u3067\u306e\u9178\u7d20\u7ba1\u7406\u304c\u4e0d\u5341\u5206\u3067\u3042\u3063\u305f\u308a\u3001\u5e0c\u91c8\u304c\u904e\u5270\u3067\u3042\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u8150\u98df\u6027\u80fd\u304c\u640d\u306a\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

In Alloy 20 welding filler metal selection for valve bodies, the first mistake is assuming that \u201cmatching chemistry\u201d alone settles the issue. Alloy 20, or UNS N08020, is used because it handles sulfuric-acid service well, offers useful resistance in chloride-, nitric-, and phosphoric-acid environments, and can usually be fabricated in the welded condition without post-weld heat treatment. That sounds straightforward. In practice, it is not. The right filler depends on whether the joint is Alloy 20 to Alloy 20, Alloy 20 to another alloy, or an overlay\/repair area where dilution will shift weld-metal chemistry away from the intended corrosion profile. For most homogeneous body seams, bonnet neck build-ups, and localized […]<\/p>","protected":false},"author":1,"featured_media":3573,"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-3571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1775384684:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["61"],"rank_math_focus_keyword":["Alloy 20 Welding Filler Selection for Valve Bodies"],"rank_math_description":["Wrong filler can shorten valve life. 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Alloy 20, or UNS N08020, is used because it handles sulfuric-acid service well, offers useful resistance in chloride-, nitric-, and phosphoric-acid environments, and can usually be fabricated in the welded condition without post-weld…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3571","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=3571"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3571\/revisions"}],"predecessor-version":[{"id":3575,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/3571\/revisions\/3575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/3573"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=3571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=3571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=3571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}