Dear All,
I am facing an issue on the propagation of cracks on a dissimilar metal weld. The cracks happened in three different scenarios
There is element holder bearing MOC as SS304 which was welded to SA516Gr70N shell. Due to code requirements the vessel was subjected to PWHT.
There was a...
These are not solid tube sheets and i am using SS 304L tube sheets to be welded on Carbon Steel. I am not worried about sensitisation at 250 Deg F but when these Tube sheets will be subjected to a temperature of 610 Deg C i.e. PWHT temperature there would definitely be chances of Sensitization...
I would appreciate an advice on the subject. i have thick Wall Filters (2" thick) having design temperature and pressure as 250 Deg F and 890 psig. Since, the thickness of the vessel qualifies the same to be subjected to PWHT as per code requirements same would be performed. But, the catch is...