Thank you for your replies.
The head in one end of the vessel is not welded when the PWHT is being performed. Since we are worried that without this head there may be excessive deflection, we want to use some spider beams to protect the shell from getting oval. Is it not a problem as per the...
Thank you all for your replies. My concern comes mainly from the fact that one of our clients has asked me to explain in general how I can prevent carbon diffusion into the steel plate during heat treatment. I had not thought about this and have no answer to that. I know that there is the...
Dear All
Is there any Standard procedure that covers the furnace conditions for PWHT in a way that satisfies the ASME BPVC requirements of UCS-56 and UW-40? Or do the professional companies that perform PWHT have their own procedures? My concern is about the proper location of thermocouples...