{"id":242,"date":"2025-08-11T06:17:16","date_gmt":"2025-08-11T06:17:16","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=242"},"modified":"2025-08-11T06:17:16","modified_gmt":"2025-08-11T06:17:16","slug":"%e6%ba%b6%e6%8e%a5%e5%be%8c%e7%86%b1%e5%87%a6%e7%90%86-pwht-4","status":"publish","type":"post","link":"http:\/\/pwhtsolutions.net\/ja\/post-weld-heat-treatment-pwht-4\/","title":{"rendered":"\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406 (PWHT)"},"content":{"rendered":"

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u306f\u3001\u91d1\u5c5e\u52a0\u5de5\u7528\u9014\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u5de5\u7a0b\u3067\u3042\u308b\u304c\u3001\u671b\u307e\u3057\u3044\u7d50\u679c\u3092\u9054\u6210\u3057\u3001\u526f\u4f5c\u7528\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u6b63\u78ba\u306a\u6e29\u5ea6\u5236\u5fa1\u3092\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n

\u30cf\u30a4\u30b9\u306eWM\u3068HAZ\u306f\u3068\u3082\u306b\u3001PWHT\u71b1\u30b5\u30a4\u30af\u30eb\u306b\u3055\u3089\u3055\u308c\u308b\u3068\u5f15\u5f35\u7279\u6027\u304c\u8457\u3057\u304f\u52a3\u5316\u3059\u308b\u305f\u3081\u3001PWHT\u5f8c\u306e\u5fdc\u529b-\u3072\u305a\u307f\u6319\u52d5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n

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

\u6eb6\u63a5\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u306f\u3001\u6b6a\u307f\u3068\u6c34\u7d20\u8a98\u8d77\u5272\u308c (HIC)\u306e\u30ea\u30b9\u30af\u5897\u5927\u306e\u539f\u56e0\u3068\u306a\u308b\u3002\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\uff08PWHT\uff09\u306f\u3001\u6750\u6599\u3092\u9069\u5207\u306a\u6e29\u5ea6\u307e \u3067\u5747\u4e00\u306b\u52a0\u71b1\u3057\u3001\u305d\u306e\u5f8c\u5f90\u3005\u306b\u51b7\u5374\u3059\u308b\u3053\u3068\u306b\u3088 \u308a\u3001\u5fdc\u529b\u3092\u7de9\u548c\u3059\u308b\u3002.<\/p>\n

PWHT\u306f\u307e\u305f\u3001\u713c\u623b\u3057\u307e\u305f\u306f\u6642\u52b9\u51e6\u7406\u3092\u53ef\u80fd\u306b\u3059\u308b\u9ad8\u6e29\u3092\u5229\u7528\u3057\u3001\u6eb6\u63a5\u91d1\u5c5e\u306e\u786c\u5ea6\u3092\u4e0b\u3052\u3001\u5ef6\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002.<\/p>\n

PWHT\u306f\u3001\u5f15\u5f35\u6b8b\u7559\u5fdc\u529b\u30ec\u30d9\u30eb\u3092\u5927\u5e45\u306b\u4f4e\u4e0b\u3055\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u5b8c\u5168\u306b\u9664\u53bb\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u6700\u9069\u306a\u71b1\u30b5\u30a4\u30af\u30eb\u6761\u4ef6\u4e0b\u3067\u3082\u3001\u6b8b\u7559\u5fdc\u529b\u306f\u6750\u6599\u964d\u4f0f\u5f37\u5ea6\u306e\u7d0430%\u307e\u3067\u3057\u304b\u7de9\u548c\u3055\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u3001PWHT\u3092\u8fc5\u901f\u304b\u3064\u6b63\u3057\u3044\u65b9\u6cd5\u3067\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u3053\u308c\u3092\u884c\u3046\u6700\u5584\u306e\u65b9\u6cd5\u306f\u3001\u5fc5\u8981\u306a\u88c5\u7f6e\u3092\u3059\u3079\u3066\u5099\u3048\u305f\u7d4c\u9a13\u8c4a\u5bcc\u306aPWHT\u696d\u8005\u306b\u4f9d\u983c\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002.<\/p>\n

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

PWHT\u306f\u3001\u6b8b\u7559\u5fdc\u529b\u306e\u4f4e\u6e1b\u3068\u518d\u5206\u914d\u306b\u5f79\u7acb\u3064\u3060 \u3051\u3067\u306a\u304f\u3001\u6c34\u5206\u3092\u8ffd\u3044\u51fa\u3057\u3001\u6eb6\u63a5\u4e2d\u306b\u5c0e\u5165\u3055\u308c\u305f\u904e \u5270\u306e\u6c34\u7d20\u306b\u3088\u308b\u6c34\u7d20\u8106\u5316\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u3067\u3001\u6eb6\u63a5 \u6750\u306e\u8010\u98df\u6027\u3092\u9ad8\u3081\u308b\u3002.<\/p>\n

PWHT\u306f\u6eb6\u63a5\u6750\u6599\u306e\u8150\u98df\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c \u3042\u308b\u305f\u3081\u3001\u7279\u5b9a\u306e\u7a2e\u985e\u306f\u7279\u306b\u8010\u98df\u6027\u3068\u3057\u3066\u5206\u985e\u3055 \u308c\u3066\u3044\u308b\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u6eb6\u63a5\u90e8\u3092\u7406\u60f3\u7684\u306a\u6e29\u5ea6\u7bc4\u56f2\u306b\u52a0\u71b1\u3057\u305f\u5f8c\u3001\u6750\u6599\u306e\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306b\u3086\u3063\u304f\u308a\u3068\u51b7\u5374\u3059\u308b\u3002.<\/p>\n

\u6e29\u5ea6\u6ce2\u52a0\u71b1\u51e6\u7406(PWHT)\u306b\u306f\u3001\u5ef6\u6027\u3092\u5411\u4e0a\u3055\u305b\u8106\u6027\u7834\u58ca\u306e\u30ea\u30b9\u30af\u3092\u6e1b\u5c11\u3055\u305b\u306a\u304c\u3089\u3001\u6eb6\u63a5\u307e\u307e\u306e\u6750\u6599\u306e\u786c\u3055\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u713c\u623b\u3057\u3001\u6790\u51fa\u3001\u6642\u52b9\u51e6\u7406\u304c\u542b\u307e\u308c\u308b\u3002\u3053\u306e\u3088\u3046\u306aPWHT\u51e6\u7406\u306f\u3001\u3057\u3070\u3057\u3070\u898f\u683c\u3084\u57fa\u6e96\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3002PWHT\u5de5\u7a0b\u306e\u671b\u307e\u3057\u3044\u52b9\u679c\u3092\u52b9\u7387\u7684\u306b\u9054\u6210\u3059 \u308b\u305f\u3081\u3001\u71b1\u96fb\u5bfe\u3067\u5236\u5fa1\u3055\u308c\u305f\u96fb\u6c17\u62b5\u6297\u767a\u71b1\u4f53\u306b\u3088\u308a\u3001 \u6eb6\u63a5\u90e8\u5168\u4f53\u3067\u4e88\u71b1\u6e29\u5ea6\u304c\u4e00\u5b9a\u306b\u4fdd\u305f\u308c\u308b\u3002.<\/p>\n

\u5f37\u3055<\/h2>\n

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u306f\u3001\u6eb6\u63a5\u4e2d\u306b\u767a\u751f\u3057\u305f\u6b8b\u7559\u5fdc\u529b\u3092\u7de9\u548c\u3057\u3001\u518d\u5206\u6563\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u5fdc\u529b\u8150\u98df\u3084\u6c34\u7d20\u8a98\u8d77\u5272\u308c\u306e\u53ef\u80fd\u6027\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u6700\u5927\u9650\u306e\u52b9\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u3001\u91d1\u5c5e\u306e\u7a2e\u985e\u3068\u5408 \u91d1\u306e\u7d44\u6210\u306b\u5fdc\u3058\u305f\u7279\u5b9a\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3046\u3053 \u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002.<\/p>\n

\u5c40\u90e8\u52a0\u71b1\u306f\u3001\u30d1\u30a4\u30d7\u306e\u5186\u5468\u6eb6\u63a5\u90e8\u3084\u9577\u3044\u5727\u529b\u5bb9\u5668\u306e\u9589\u585e\u6eb6\u63a5\u90e8\u306e\u3088\u3046\u306a\u9577\u3044\u90e8\u54c1\u3092\u6301\u3064\u90e8\u54c1\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002\u6eb6\u63a5\u90e8\u3092\u8986\u3046\u3088\u3046\u306b\u914d\u7f6e\u3055\u308c\u305f\u96fb\u6c17\u62b5\u6297\u767a\u71b1\u4f53\u306f\u3001\u9003\u3052\u9053\u304b\u3089\u306e\u71b1\u640d\u5931\u3092\u9632\u304e\u3001\u9069\u5207\u306a\u65ad\u71b1\u6750\u3067\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\u713c\u623b\u3057\u306f\u3001\u713c\u5165\u308c\u306b\u3088\u3063\u3066\u786c\u5316\u3057\u305f\u91d1\u5c5e\u3092\u8edf\u5316\u3055\u305b\u3001\u976d\u6027\u3068\u5ef6\u6027\u3092\u9ad8\u3081\u306a\u304c\u3089\u8106\u3055\u3092\u548c\u3089\u3052\u307e\u3059\u3002\u9069\u5207\u306b\u713c\u623b\u3057\u3055\u308c\u305f\u91d1\u5c5e\u306f\u3001\u75b2\u52b4\u3084\u5fdc\u529b\u306b\u8010\u3048\u308b\u305f\u3081\u3001\u5bff\u547d\u304c\u5ef6\u3073\u308b\u3068\u540c\u6642\u306b\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30fb\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002ASME\u3084API\u306a\u3069\u306e\u591a\u304f\u306e\u696d\u754c\u898f\u5236\u306f\u3001\u5b89\u5168\u306a\u6027\u80fd\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5fdc\u529b\u8150\u98df\u5272\u308c\u306a\u3069\u306e\u9ad8\u4fa1\u306a\u6b20\u9665\u304b\u3089\u6eb6\u63a5\u3092\u4fdd\u8b77\u3057\u306a\u304c\u3089\u3001\u6eb6\u63a5\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6b63\u78ba\u306a\u6e29\u5ea6\u5236\u5fa1\u3068\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u76e3\u8996\u304c\u3001\u6210\u529f\u3078\u306e\u9375\u3067\u3059\uff01<\/p>\n

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

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\u306f\u3001\u6eb6\u63a5\u91d1\u5c5e\u306e\u5fae\u7d30\u69cb\u9020\u3092\u6b63\u5e38\u5316\u3057 \u3066\u6a5f\u68b0\u7684\u7279\u6027\u3092\u9ad8\u3081\u3001\u6a5f\u68b0\u52a0\u5de5\u3068\u6210\u5f62\u3092\u5bb9\u6613\u306b\u3059 \u308b\u3068\u3068\u3082\u306b\u3001\u976d\u6027\u3068\u5ef6\u6027\u3092\u9ad8\u3081\u3066\u52d5\u7684\u306a\u8377\u91cd\u6761\u4ef6\u4e0b \u3067\u306e\u6eb6\u63a5\u90e8\u306e\u8010\u5272\u308c\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002\u3055\u3089\u306b\u3001\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\u306f\u3001\u5371\u967a\u306a\u30ac\u30b9\u3084\u5316\u5b66\u7269\u8cea\u3092\u9577\u8ddd\u96e2\u8f38\u9001\u3059\u308b\u9ad8\u5f37\u5ea6\u539a\u8089\u6eb6\u63a5\u6750\u6599\u306e\u6c34\u7d20\u8106\u5316\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u4f4e\u6e1b\u3057\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5b8c\u5168\u6027\u7dad\u6301\u306b\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3068\u306a\u308b\u3002.<\/p>\n

PWHT\uff08\u307e\u305f\u306f\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\uff09\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u71b1\u51e6 \u7406\u3067\u3001\u6eb6\u63a5\u90e8\u3092\u4e0b\u9650\u81e8\u754c\u70b9\u4ee5\u4e0a\u306b\u52a0\u71b1\u3057\u3001\u901a\u5e38 25mm\uff081\u30a4\u30f3\u30c1\uff09\u3042\u305f\u308a1\u6642\u9593\u3001\u9577\u6642\u9593\u4fdd\u6301\u3059\u308b\u3002.<\/p>\n

PWHT\u306f\u901a\u5e38\u3001\u30ac\u30b9\u3001\u6cb9\u3001\u96fb\u6c17\u3001\u307e\u305f\u306f\u8a98\u5c0e\u306b\u3088\u3063\u3066\u52a0\u71b1\u3055\u308c\u308b\u30dc\u30c3\u30af\u30b9\u7089\u307e\u305f\u306f\u30d4\u30c3\u30c8\u7089\u3067\u5b9f\u65bd\u3055\u308c\u308b\u3002PWHT\u306b\u3069\u306e\u3088\u3046\u306a\u52a0\u71b1\u65b9\u6cd5\u3092\u9078\u3093\u3067\u3082\u3001\u904e\u71b1\u3084\u671b\u307e\u3057\u304f\u306a\u3044\u51b6\u91d1\u7684\u5909\u5316\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u5468\u56f2\u306e\u90e8\u54c1\u3092\u5747\u4e00\u306b\u52a0\u71b1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u306f\u3001\u91d1\u5c5e\u52a0\u5de5\u7528\u9014\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u304c\u3001\u671b\u307e\u3057\u3044\u7d50\u679c\u3092\u9054\u6210\u3057\u3001\u526f\u4f5c\u7528\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u6b63\u78ba\u306a\u6e29\u5ea6\u5236\u5fa1\u3092\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002HSS\u306eWM\u3068HAZ\u306f\u3044\u305a\u308c\u3082\u3001PWHT\u71b1\u30b5\u30a4\u30af\u30eb\u306b\u66dd\u3055\u308c\u308b\u3068\u5f15\u5f35\u7279\u6027\u304c\u8457\u3057\u304f\u52a3\u5316\u3059\u308b\u305f\u3081\u3001PWHT\u5f8c\u306e\u5fdc\u529b-\u3072\u305a\u307f\u6319\u52d5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u5fdc\u529b\u9664\u53bb \u6eb6\u63a5\u306b\u3088\u308b\u6b8b\u7559\u5fdc\u529b\u306f\u3001\u6b6a\u307f\u3068\u6c34\u7d20\u8a98\u8d77\u5272\u308c (HIC)\u306e\u30ea\u30b9\u30af\u5897\u5927\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\uff08PWHT\uff09\u306f\u3001\u6750\u6599\u3092\u9069\u5207\u306a\u6e29\u5ea6\u307e \u3067\u5747\u4e00\u306b\u52a0\u71b1\u3057\u3001\u305d\u306e\u5f8c\u5f90\u3005\u306b\u51b7\u5374\u3059\u308b\u3053\u3068\u306b\u3088 \u308a\u3001\u5fdc\u529b\u3092\u7de9\u548c\u3057\u307e\u3059\u3002PWHT\u306f\u307e\u305f\u3001\u713c\u623b\u3057\u307e\u305f\u306f\u6642\u52b9\u51e6\u7406 \u3092\u53ef\u80fd\u306b\u3059\u308b\u9ad8\u6e29\u3082\u5229\u7528\u3059\u308b\u3002 <\/p>\n

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