we are going to do our Design acc. to ASME sec.VIII div.1.
but for me it is important to know
1-as a technical view, is it necessary to do heat treatment?
2-is there a code that mentioned it as a shall to do?
do not forget that it is a fillet weld tube to tubesheet.
Hi,
we have heat exchanger with tube sheet material 13CrMo4-5 th.20mm and the tubes are also 13CrMo4-5 od.60,3 th.2,1mm.
the pressure is less than 0,5bar.
for this welding joint is it necessary that we perform a PWHT?
please refer to a standard. cause the pressure is less than 0,5bar and it is...