A supplier proposed in stead of 3" pipe SCH XXS CS API 5L Gr X60 a 3" Tube SCH XXS A519-4130. My question is: could a pipe be substituted by a Tube if the mechanical proprieties of the latest are acceptable?
Hi,
I've some questions relating to PWHT:
1- On the ASME B31.3 section 331.1.3.a the through weld thickness shall be computed using some formulas. What's the difference between the sketch 1 & 2 ?
2- if the pipe wall thickness is great than the minimum material thickness requiring heat treatment...
An insurance company has asked my company to UT survey a pressure vessel. a long of 50cm of a weld is scheduled to be UTed but the weld cap should be dressed flush. Does ASME allow such operation or should we repair the weld which means apply all ASME inspections (hydrotest, NDT...) after its...