Is there anywhere in any code that actually states the number of thermocouples for PWHT. I know AWS has a "recommended" number but I cant seem to find anywhere that states required. Pipe is built to B31.3.
Curious if anyone has ever encountered ripples/wrinkles in A106 seamless pipe.
Is there an acceptance crtia for this?
Nominal wall thickness is fine but corrision is a concern.
Building piping to ASME B31.3. Client spec requires that all branch connections have 100% MPI and 10% UT. Have tried a specification deviation to allow only MPI which was approved but only for piping with wall thickness less then 3/8".
Had a stub-on "Straight piece of pipe beveled end full pen...
We are currently doing 100% Hardness on P1 material after PWHT. These spools are locally Heat Treated and is completed purely for thickness (close to an inch)
Client spec does not state anything on hardness testing and these spools are built to b31.3.
I personally believe this is a good...
We are just about to begin on our first FRP (bell and spigot 20 to 40 BAR)job and numerous people involved have little experience with this product. We do have two third parties to look over things in progress. But there is a specification requirement that both parties seems to disagree on...
Strange questions regarding failed X-Ray Tracers.
Had disagreement the other regarding when tracers should be shot and am having a hard time finding my required information
Everywhere I have worked has always shot prior on welds to the weld that failed which to me makes sense to me.
Started...
Hi, anyone have any experience doing HDPE hydro testing do b31.3?
We were testing to ASTM and NFPA for firewater lines but one line is above ground and client requests a b31.3 test. I am unfirmilor with the acceptance criteria. I know all joint are to be visually inspected to ensure no leaks are...
