We are getting ready to install some o-lets on a piping run per customers drawing. One of the o-lets is located in the center of a circumferential butt-weld. The butt weld has been 100% radiographed prior to the o-let installation. A co-worked asked if this was allowed by B31.3? I've looked...
We recently had some long seams welded and once they were complete, the seams were peaking in toward the ID of the Tank. We try and limit this as best as we can by 50/50 welding from both sides and utilizing key plates to limit distortion. Welder had trouble on these particular seams when...
Good Evening All,
A customer of ours requested we supply WPQR/WPS for a project we ere getting ready to start. Pressure vessels are 316L welded with 316L Filler. Our WPQR was qualified on 304L with 304L Filler.
We have a 316L WPS showing the different classification of the filler metal and...
