Can someone explain to me how effective the procedure outlined in ASTM E837 is at determining residual stress in a heavy wall pressure vessel?
The situation I have is that a fabricator is proposing to do this test on a recently in-service vessel to determine if pre-heat is necessary prior to...
I am trying to put together a weld procedure for putting a hot tap on a 2" line carrying refrigerant R134a. We have decided to use a split tee fitting and I am trying to develop a welding procedure for this.
Considering this is fairly thin wall pipe, I need to calculate how long it takes...
I am trying to determine the "C" value of 1.25 Cr 0.5 Mo steel as it applies to the Larson-Miller Parameter. Can anyone point me in the right direction. Thank you.
I am trying to learn the ins and outs of reviewing and approving welding procedures. I have many codes and standards readily available so that is not a problem. I was wondering if there are any specific instructions on reviewing procedures? Any help that can be offered will be greatly...
I have a small break vessel that has a bracket on the outside that needs to be moved inorder to facilitate installation. The vessel has already been hydro tested, and does not require PWHT.
My question is: Are there any specific requirements as per code that i need to be aware of in order to...
I have 10" thru 16" Sch 120 SA 333 pipe in my work scope and my experience has been to keep the interpas temp lower than normal on theis material. Our current procedure for this type of material has a max of 300 deg. F for interpass temp. It seems to me that stress relieving the material at 1100...
