PWHT of a carbon steel Heat exhanger with incoloy 825 tubes.

[TheMehanic08]

Hi Guys,

Need some help / information on PWHT of a heat exchanger.
I am handling a carbon steel heat exchanger with incoloy 825 tubes. The details are as below

HE Type : BEM
shell material : SA 516 Gr. 60
Shell Thk : 13 mm
Shell ID : 600 mm
No of tubes : 250
PWHT : YES (Bcos of process Requirements)

an some one please provide me a PWHT procedure for the above.

 

[metengr]

PWHT is for the carbon steel shell material based on the information you provided. So, you need to perform PWHT of the shell fabrication welds using ASME Section VIII, Div 1 requirements. See UW-40 and Table UCS-56.