Thanks for all the input! Just to give a back story on why this question came up...we had a support attachment weld that failed at a 6” elbow (fatigue crack). The elbow was equipped with flanges and operates in hydrogen service. This repair would require bake out and post weld heat treat. Due to...
Hello all,
When performing a repair on vessel or piping requiring post weld heat treat and the existing pressure containing welds are included in the heat treatment, does all the existing weldments require volumetric testing?
This question has come up several times and I always get mixed...
