Hi,
I working on ASME Sect.I tube to Header weld. The header are carbon SA106 Gr.B while the tube is T11 material. connect with set-in design with groove So, this joint is combination groove weld and fillet weld. The weld size is 6 mm, Per table PW39-4 PWHT requirement provide exemption for...
Hi, I working on HRSG Fabrication with 9 Cr material, I have customer specification state that "If the assembly is not PWHT within 24 hours of the completion of welding, it shall be enclosed or covered and be stored 5 degrees above ambient temperature" I wonder what is the reason to store work...
Gentlemen,
I working on the project that require to do hardness test after PWHT but the project spec doesn't give a acceptance criteria.
Where can I get the hardness valve for SA 106, SA 335 P11, SA 335 P22. I checked into ASME Sect II but can not find the hardness value.
Thank you.
Ittichet