m.wasif
Mechanical
- Jan 1, 2017
- 40
I want to confirm that what is maximum time delay between welding and PWHT for welding on ASTM A335 P9 pipe. Can we do PWHT "immediately" after welding or there is some standard time of wait before doing PWHT. Further how much maximum delay is allowed before PWHT?
Thanks and Regards,
Thanks and Regards,