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Dear all, I want to know which category is used to assign to the welds of Skirt support of a tower? Do we have any rules or codes?

Dear experts, If in process of welding pressure vessel the Impact test of PTP get failed to pass, can we select a new plate? in this situation that the test plate has not been heat treated and fabricated along with the main product!

Please share your thoughts herein, How is SPWHT done? ٌWhat is the exact need for SPWHT at plate mill?

Dear experts, I wanna know that what parameters cause the ferrite number goes up or down at SS 300 series? and in clad with material of SS 309 and then 308 what would be predictable? could it be in the range of 5 to 12 percent?

Dear Experts, Are we allowed to attach some clips after Hydro-static Test on pads which are previously welded on P.V's shell as per ASME code? Please share your thoughts Thanks

Why SA 240 Gr 316L is not listed in Table UHA-44 but 304L is listed!?

[sup]Dear Experts, As a concerning issue I want to know how many times are we allowed to perform weld repair at SS 304L(base metal) & 308L (Filler Metal)? My concern is about sensitization and probable outcome! Thanks

Dear experts, The issue is about tearing along long seam weld of SS (304L) head.this head is formed from 3 segments.along with forming action the L.W's were torn to a length of about 20 mm exactly at the place of weld seam.Fortunately the base metal is sound. What I want to know is the needed...

Dear experts, I would be grateful if you could help me if we have acceptance criteria for pitting corrosion on steel plates used in pressure vessels?

Dear Experts, I'm working at a Oil & Gas Company that fabricates Pressure vessels according to ASME Div VIII Sec 1 and we are working on a project which is to be as per ASME Div VIII Sec 2. Client's requisition is that it shall be U2 Stamped and as we work in Iran we don't have any companies...