Thanks to all the group it´s been very helpfull, I conclude that for my material ASTM A516-70 RX after PWHT is not so necesary.- Regards Luis Albanés
--- El jue 20-may-10, dlsltd@telus.net <dlsltd@telus.net> escribió:
De: dlsltd@telus.net <dlsltd@telus.net>
Asunto: Re: [MW:5199] NDT after PWHT
A: materials-welding@googlegroups.com
Fecha: jueves, 20 de mayo de 2010, 13:11
I don't believe there is any requirements, but on P5-B materials, it is a common practice as cracks have been known to form after 24 hours on these materials. I have heard of some materials on "Hold" pending another RT after the initial test after 7 Days. I have just completed PWHT on ASME 1 piping and there is no requirement on P1 material for additional RT after cool down. ----- Original Message ----- Sent: Thursday, May 20, 2010 6:30 AM Subject: [MW:5198] NDT after PWHT
Dear friends We just finished PWHT in an LPG sphere acording to ASME VIII section I, and I can´t find in the code the part that obligues to Xray after this treatment, any one has experience with this? where does ASME VIII say it has to be done? Thank you Luis Albanés |
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