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ULT-18

Thread starter gr2vessels
Start date Dec 21, 2006

Status: Not open for further replies.

Dec 21, 2006

gr2vessels

Mechanical

Gents,

I'm not aware of any code case relevant to the ULT-18 provision of 5 times the shell thickness between the edges of nozzle weld and the main circular seam. Does this clause apply to a vessel operating / designed around -50 F and designed to Div.2 / U2 stamp, made of SA 516-60 cladded with 316L. The base material/cladding is, obviously, listed in Section II (refer ULT-5(b)).

Thanks anticipatelly for the advice.

gr2vessels