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Minimum Preheat Temperature
Same as the WPS, minimum preheat temperature -> 23 deg C (ambient). Q: If the metal (A106 Gr B, 10 mm thk) surface is 10 deg C (below the stated minimum preheat temperature in the WPS), can I weld using this WPS without preheat?- chowhk
- Post #3
- Forum: ASME (mechanical) Code Issues
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Minimum Preheat Temperature
Dear Sirs, I would like to seek your advise on below matter: I have a WPS/PQR (GTAW) states that the minimum temperature is 23 deg C. In ASME IX 406.1 says that: "A decrease of more than 55 deg C in the preheat temperature qualified. The minimum temperature for welding shall be specified in...- chowhk
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- Replies: 6
- Forum: ASME (mechanical) Code Issues
