{"id":307,"date":"2025-09-14T01:00:17","date_gmt":"2025-09-14T01:00:17","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=307"},"modified":"2025-09-14T01:00:18","modified_gmt":"2025-09-14T01:00:18","slug":"%e6%ba%b6%e6%8e%a5%e5%be%8c%e3%81%ae%e7%86%b1%e5%87%a6%e7%90%86%e3%81%af%e3%80%81%e6%ba%b6%e6%8e%a5%e8%a6%8f%e5%89%87%e3%81%8a%e3%82%88%e3%81%b3%e4%bb%95%e6%a7%98%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/ja\/post-weld-heat-treatment-a-requirement-in-welding-codes-and-specifications\/","title":{"rendered":"\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406 - \u6eb6\u63a5\u898f\u683c\u304a\u3088\u3073\u4ed5\u69d8\u306b\u304a\u3051\u308b\u8981\u4ef6"},"content":{"rendered":"

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\uff08PWHT\uff09\u306f\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u7de9\u548c\u3057\u3001 \u6eb6\u63a5\u91d1\u5c5e\u304a\u3088\u3073HAZ\u306e\u30df\u30af\u30ed\u7d44\u7e54\u3092\u5f37\u5316\u3059\u308b \u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\u7279\u306b\u70ad\u7d20\u92fc\u3084\u9ad8 \u5408\u91d1\u6750\u3067\u306f\u3001\u6eb6\u63a5\u898f\u5247\u3084\u4ed5\u69d8\u306b\u3088\u3063\u3066\u8981\u6c42\u3055\u308c\u308b\u3053 \u3068\u304c\u591a\u3044\u3002<\/p>\n

PWHT\u306f\u75b2\u52b4\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3042\u308b\u7814\u7a76\u3067\u306f\u3001\u30a2\u30fc\u30af\u6eb6\u63a5\u3067\u7a81\u5408\u305b\u6eb6\u63a5\u3057\u305f\u8a66\u9a13\u7247\u306bPWHT\u3092\u51e6\u7406\u3057\u305f\u3082\u306e\u3068\u51e6\u7406\u3057\u3066\u3044\u306a\u3044\u3082\u306e\u3092\u7528\u3044\u3066\u75b2\u52b4\u8a66\u9a13\u3092\u884c\u3063\u305f\u3002<\/p>\n

\u30b9\u30c8\u30ec\u30b9\u89e3\u6d88<\/h2>\n

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PWHT\u3067\u306f\u3001\u6eb6\u63a5\u90e8\u3092\u5909\u614b\u6e29\u5ea6\u307e\u3067\u52a0\u71b1\u3057\u3001\u305d\u306e \u6e29\u5ea6\u3067\u9577\u6642\u9593\u4fdd\u6301\u3059\u308b\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u4f4e\u6e1b\u304a\u3088\u3073\u518d\u5206\u914d\u3057\u3001\u5f37\u5ea6\u3068\u976d\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3068\u3068\u3082\u306b\u3001\u91d1\u5c5e\u3092\u713c\u304d\u623b\u3057\u3001\u786c\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u5ef6\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3082\u306e\u3067\u3001\u5b89\u5168\u6027\u3068\u6027\u80fd\u306b\u95a2\u3059\u308b\u898f\u5236\u57fa\u6e96\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3042\u308b\u3002<\/p>\n

\u8010\u4e45\u6027<\/h2>\n

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\u5de5\u696d\u7528\u6eb6\u63a5\u306f\u3001\u8caf\u8535\u30bf\u30f3\u30af\u3001\u30d7\u30ed\u30bb\u30b9\u914d\u7ba1\u3001\u5efa\u7269\u3001\u6a4b\u6881\u3001\u767a\u96fb\u6240\u306a\u3069\u306e\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u69cb\u9020\u7269\u306e\u591a\u304f\u306f\u3001\u75b2\u52b4\u3084\u30af\u30ea\u30fc\u30d7\u306b\u8010\u3048\u308b\u3060\u3051\u306e\u5f37\u5ea6\u3092\u6301\u3064\u6eb6\u63a5\u90e8\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u3001\u9ad8\u6e29\u30fb\u9ad8\u5727\u306e\u53b3\u3057\u3044\u74b0\u5883\u4e0b\u3067\u7a3c\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u306f\u3001\u6eb6\u63a5\u5f8c\u306e\u5fdc\u529b\u3092\u7de9\u548c\u3059\u308b \u52b9\u679c\u7684\u306a\u624b\u6bb5\u3067\u3042\u308b\u3002PWHT\u306f\u3001\u6eb6\u63a5\u90e8\u3092\u4e00\u5b9a\u671f\u9593\u9ad8\u6e29\u306b\u52a0\u71b1\u3059\u308b\u3053 \u3068\u3067\u3001\u6eb6\u63a5\u90e8\u304a\u3088\u3073\u71b1\u5f71\u97ff\u90e8\u306e\u976d\u6027\u304a\u3088\u3073\u5ef6 \u6027\u3092\u6539\u5584\u3057\u306a\u304c\u3089\u3001\u5f15\u5f35\u6b8b\u7559\u5fdc\u529b\u3092\u4f4e\u6e1b\u3059\u308b\u3002\u6e29\u5ea6\u8abf\u6574\u306e\u969b\u306b\u306f\u3001\u6eb6\u63a5\u7d99\u304e\u76ee\u306e\u713c\u623b\u3057\u8106\u5316\u3001 \u904e\u8edf\u5316\u3001\u307e\u305f\u306f\u518d\u52a0\u71b1\u5272\u308c\u3092\u907f\u3051\u308b\u305f\u3081\u306b \u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/p>\n

\u8010\u98df\u6027<\/h2>\n

\u6eb6\u63a5\u90e8\u54c1\u306f\u3001\u8caf\u8535\u30bf\u30f3\u30af\u304b\u3089\u30d7\u30ed\u30bb\u30b9\u6a5f\u5668\u306b\u81f3\u308b\u307e\u3067\u3001\u8150\u98df\u306e\u91cd\u5927\u306a\u8105\u5a01\u3068\u306a\u308b\u5371\u967a\u306a\u5316\u5b66\u7269\u8cea\u3084\u71c3\u6599\u306b\u3055\u3089\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u8150\u98df\u306b\u3088\u308b\u640d\u50b7\u306f\u3001\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u6025\u901f\u306b\u640d\u306a\u3044\u3001\u6027\u80fd\u306e\u59a8\u3052\u3068\u306a\u308a\u307e\u3059\u3002\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406\u306f\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u7de9\u548c\u3057\u3066\u6a5f\u5668\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u5f37\u5316\u3057\u306a\u304c\u3089\u3001\u8150\u98df\u3092\u9632\u6b62\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

PWHT\u306f\u307e\u305f\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u964d\u4f0f\u5f37\u5ea6\u306e40% \u304b\u308920-40%\u306b\u6e1b\u5c11\u3055\u305b\u3001\u713c\u623b\u3057\u3001\u6790\u51fa\u3001\u6642\u52b9\u306a\u3069\u306e\u51b6\u91d1\u5b66\u7684\u5909\u5316\u3092\u8a31 \u5bb9\u3057\u3066\u6eb6\u63a5\u90e8\u306e\u786c\u5ea6\u3092\u4e0b\u3052\u3001\u5ef6\u6027\u3092\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u306b\u3088 \u308a\u3001\u539a\u8089\u6eb6\u63a5\u90e8\u306e\u8106\u6027\u7834\u58ca\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u306e\u306b\u3082 \u5f79\u7acb\u3064\u3002<\/p>\n

PWHT\u3092\u5b9f\u65bd\u3059\u308b\u306b\u306f\u3001\u6eb6\u63a5\u90e8\u306e\u6027\u80fd\u3068\u6eb6\u63a5\u7d99\u304e\u76ee\u306e\u5b8c\u5168\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u71b1\u885d\u6483\u3084\u6b6a\u307f\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u6b63\u78ba\u306a\u6e29\u5ea6\u8abf\u7bc0\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c1\u30fc\u30e0\u306e\u7d4c\u9a13\u8c4a\u5bcc\u306aPWHT\u5c02\u9580\u5bb6\u306f\u3001ASME Section VIII Div 1\u306e\u3088\u3046\u306a\u696d\u754c\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306bPWHT\u7d50\u679c\u3092\u6700\u9069\u5316\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30ce\u30a6\u30cf\u30a6\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6eb6\u4f53\u5316\u713c\u920d\u3084\u62e1\u5f35\u52a0\u71b1\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u306ePWHT\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u5f37\u3055<\/h2>\n

\u6eb6\u63a5\u5de5\u7a0b\u3067\u306f\u3001\u69d8\u3005\u306a\u5fae\u7d30\u69cb\u9020\u3084\u6b8b\u7559\u5fdc\u529b\u304c\u6eb6\u63a5 \u90e8\u306b\u751f\u3058\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u969b\u306e\u5f37\u5ea6\u3084\u8010\u4e45\u6027\u306b\u60aa\u5f71 \u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u6750\u6599\u306f\u305d\u306e\u7d44\u6210\u3068\u677f\u539a\u8981\u4ef6\u306b\u9069\u5408\u3057\u305fPWHT\u51e6\u7406\u3092\u53d7\u3051\u3001\u3053\u308c\u3089\u306e\u60aa\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

PWHT\u6e29\u5ea6\u306f\u3001\u71b1\u885d\u6483\u3068\u6b6a\u307f\u3092\u9632\u3050\u305f\u3081\u306b\u6ce8\u610f\u6df1\u304f\u7ba1 \u7406\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6eb6\u63a5\u90e8\u3068\u71b1\u5f71\u97ff\u90e8 \u306e\u5747\u4e00\u306a\u51e6\u7406\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u5f37\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3002\u3055\u3089\u306b\u3001PWHT\u4e2d\u306b\u8d77\u3053\u308b\u51b6\u91d1\u5b66\u7684\u5909\u5316\u306f\u3001\u6eb6\u63a5\u90e8\u306e\u786c \u5ea6\u3092\u4e0b\u3052\u308b\u3068\u540c\u6642\u306b\u5ef6\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002<\/p>\n

PWHT\u306f\u3001\u9ad8\u5f37\u5ea6\u6750\u6599\u306e\u6c34\u7d20\u8a98\u8d77\u5272\u308c\uff08HIC\uff09\u9632\u6b62\u306b\u3082\u5f79\u7acb\u3064\u3002\u6eb6\u63a5\u306e\u969b\u3001\u6c34\u7d20\u539f\u5b50\u306f\u6eb6\u63a5\u90e8\u306b\u62e1\u6563\u3057\u3001\u8106\u5316\u3084HIC\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002PWHT\u306b\u3088\u308a\u3001\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u6c34\u7d20\u3092\u9003\u304c\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u7834\u640d\u30ea\u30b9\u30af\u304c\u4f4e\u6e1b\u3055\u308c\u3001\u5bf8\u6cd5\u7ba1\u7406\u3084\u75b2\u52b4\u6027\u80fd\u306e\u5411\u4e0a\u306a\u3069\u3001\u305d\u306e\u4ed6\u306e\u5229\u70b9\u3082\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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