{"id":101,"date":"2024-10-13T07:46:27","date_gmt":"2024-10-13T07:46:27","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=101"},"modified":"2025-01-05T09:25:30","modified_gmt":"2025-01-05T09:25:30","slug":"asme-b31-3-%e3%81%ae%e6%ba%b6%e6%8e%a5%e5%be%8c%e7%86%b1%e5%87%a6%e7%90%86-pwt-%e8%a6%81%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/ja\/post-weld-heat-treatment-pwht-requirements-of-asme-b31-3\/","title":{"rendered":"ASME 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\u6b63\u78ba\u306b\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n<p>\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406(PWHT)\u306f\u3001\u7d44\u7acb\u5de5\u7a0b\u3067\u6eb6\u63a5\u3055\u308c\u305f\u4f4e\u5408\u91d1\u92fc\u5727\u529b\u5bb9\u5668\u304a\u3088\u3073\u914d\u7ba1\u306e\u8a2d\u8a08\u304a\u3088\u3073\u5efa\u8a2d\u306b\u304a\u3044\u3066\u3001\u91d1\u5c5e\u3092\u8edf\u5316\u3055\u305b\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u4f4e\u6e1b\u3057\u3001\u5ef6\u6027\u3092\u9ad8\u3081\u3001\u6c34\u7d20\u5272\u308c\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u3053\u306e\u71b1\u51e6\u7406\u306b\u306f\u3001\u91d1\u5c5e\u3092\u8edf\u5316\u3055\u305b\u308b\u3068\u540c\u6642\u306b\u6b8b\u7559\u5fdc\u529b\u3092\u6e1b\u5c11\u3055\u305b\u5ef6\u6027\u3092\u9ad8\u3081\u3001\u6c34\u7d20\u5272\u308c\u3092\u5b8c\u5168\u306b\u56de\u907f\u3059\u308b\u3068\u3044\u3046\u5229\u70b9\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u539a\u3055\u306e\u9650\u754c<\/h2>\n<p>\u57fa\u672c\u898f\u5b9a\u3067\u306f\u3001\u914d\u7ba1\u306e\u7e26\u65b9\u5411\u306e\u8a31\u5bb9\u5fdc\u529b\u3092\u5e45\u5e83\u304f\u898f\u5b9a\u3057\u3066\u3044\u308b\u3002\u6750\u6599\u306e\u6642\u9593\u4f9d\u5b58\u30af\u30ea\u30fc\u30d7\u7279\u6027\u304c\u5236\u9650\u56e0\u5b50\u3068\u306a\u308b\u3002\u92f3\u9244\u3084\u975e\u5ef6\u6027\u6750\u6599\u306e\u5834\u5408\u306f\u3001\u6750\u6599\u54c1\u8cea\u4fc2\u6570\u3082\u9069\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n<p>\u81e8\u6642\u8377\u91cd\u306e\u5834\u5408\u3001SL\u306f\u6e29\u5ea6\u964d\u4f0f\u5f37\u5ea6\u306e90%\u306b\u5f37\u5ea6\u4f4e\u6e1b\u4fc2\u6570\u3092\u52a0\u3048\u305f\u5024\u306b\u5236\u9650\u3055\u308c\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u8a2d\u8a08\u8005\u306f\u3001\u5730\u9707\u306b\u3088\u308b\u6025\u6fc0\u306a\u8377\u91cd\u5897\u52a0\u306b\u5bfe\u3059\u308b\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u306a\u304c\u3089\u3001\u57fa\u672c\u7684\u306a\u898f\u683c\u3067\u8a8d\u3081\u3089\u308c\u3066\u3044\u308b\u3088\u308a\u3082\u9ad8\u3044\u5fdc\u529b\u30ec\u30d9\u30eb\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n<p>\u4e00\u65b9\u3001\u57fa\u672c\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6301\u7d9a\u8377\u91cd\u3068\u81e8\u6642\u8377\u91cd\u306b\u3064\u3044\u3066\u3001\u5fdc\u529b\u62e1\u5927\u4fc2\u6570\u3092\u57fa\u672c\u8a31\u5bb9\u5fdc\u529b\u306e1.33\u500d\u306b\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u3053\u306e\u4fc2\u6570\u306e\u9069\u7528\u306a\u3069\u7279\u5b9a\u306e\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u3001\u6280\u8853\u8005\u3084\u5fdc\u529b\u89e3\u6790\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u9593\u3067\u8b70\u8ad6\u306e\u4f59\u5730\u304c\u6b8b\u3055\u308c\u3066\u3044\u308b\u3002.<\/p>\n<p>\u9ad8\u6e29\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u3001\u30b9\u30d1\u30f3\u9577\u306f\u4e00\u6b21\u7e26\u5fdc\u529b\u3001\u66f2\u3052\u30e2\u30fc\u30e1\u30f3\u30c8\u3001\u305b\u3093\u65ad\u529b\u306a\u3069\u306e\u8981\u7d20\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u542b\u3080\u65b9\u7a0b\u5f0f\u306b\u3088\u308a\u3001\u5358\u7d14\u652f\u6301\u3068\u56fa\u5b9a\u652f\u6301\u306e\u4e21\u65b9\u3067\u3053\u308c\u3089\u306e\u9650\u754c\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h2>\u514d\u9664<\/h2>\n<p>\u3069\u306e\u3088\u3046\u306a\u696d\u754c\u306b\u304a\u3044\u3066\u3082\u3001\u57fa\u6e96\u3084\u6587\u66f8\u3092\u9075\u5b88\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u306a\u3053\u3068\u3067\u3059\u304c\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u5fb9\u5e95\u3057\u305f\u6587\u66f8\u5316\u306f\u3001\u5f93\u696d\u54e1\u3068\u9867\u5ba2\u306e\u4e21\u65b9\u3092\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5b89\u5168\u306a\u4f5c\u696d\u74b0\u5883\u306e\u305f\u3081\u306b\u53b3\u683c\u306a\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u57fa\u6e96\u3092\u7dad\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u767a\u96fb\u6240\u3001\u5316\u5b66\u88fd\u9020\u3001\u9271\u696d\u306e\u3088\u3046\u306a\u898f\u5236\u306e\u53b3\u3057\u3044\u696d\u754c\u3067\u306f\u7279\u306b\u95a2\u9023\u6027\u304c\u9ad8\u3044\u3002.<\/p>\n<p>ASME B31.3\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u5be9\u67fb\u3001\u691c\u67fb\u3001\u8a66\u9a13\u624b\u9806\u3092\u3088\u308a\u6b63\u78ba\u306b\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u8fd1\u6539\u8a02\u3055\u308c\u305f\u3002\u6539\u8a02\u306b\u306f\u3001\u69cb\u9020\u3001\u6307\u5b9a\u30ed\u30c3\u30c8\u3001\u7d44\u5408\u305b\u6eb6\u63a5\uff08COW\uff09\u30d1\u30a4\u30d7\u306e\u6eb6\u63a5\u5f8c\u6c34\u7d20\u30d9\u30fc\u30af\u30a2\u30a6\u30c8\u5727\u529b\u306e\u8a2d\u5b9a\u5727\u529b\u306e\u5b9a\u7fa9\u306e\u66f4\u65b0\u304c\u542b\u307e\u308c\u3001\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30fb\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u8981\u4ef6\u304c\u660e\u78ba\u5316\u3055\u308c\u308b\u4e00\u65b9\u3001\u8a31\u5bb9\u5fdc\u529b\u306e\u57fa\u6e96\u304c\u964d\u4f0f\u5f37\u5ea6\u306e0.67\u500d\u304b\u30890.80\u500d\u307e\u3067\u5f15\u304d\u4e0a\u3052\u3089\u308c\u305f\u3002.<\/p>\n<p>\u307e\u305f\u3001\u8868331.1.3\u306f\u3001\u6750\u6599\u3068\u30b0\u30eb\u30fc\u30d7\u756a\u53f7\u3001\u7ba1\u7406\u539a\u3055\u3001\u6eb6\u63a5\u306e\u7a2e\u985e\u3001\u4e88\u71b1\u6e29\u5ea6\u306b\u57fa\u3065\u3044\u3066\u3001PWHT\u306e\u5fc5\u9808\u8981\u4ef6\u304b\u3089\u4e00\u90e8\u306e\u914d\u7ba1\u3092\u9664\u5916\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3055\u308c\u305f\u3002.<\/p>\n<p>\u4f8b\u3053\u306e\u4f8b\u5916\u306f\u3001\u9ad8\u6e29\u6d41\u4f53\u30b5\u30fc\u30d3\u30b9\u306b\u5206\u985e\u3055\u308c\u308b 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B31.3\u306e2014\u5e74\u7248\u3067\u306f\u3001\u4e88\u71b1\u8981\u4ef6\u306e\u6539\u8a02\u3001\u96fb\u529b\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u5927\u8a2d\u8a08\u5727\u529b\u306e\u5897\u52a0\u3001\u691c\u67fb\u30fb\u8a66\u9a13\u624b\u9806\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u66f4\u65b0\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001ASME 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