Thank you so much for your help.
The 17,500 psi value was what I was looking for.
I tried getting in contact with the NBBI for older versions of the code but could not get anyone to answer the phone (i.e. only voicemails).
IHS market was very helpful and have copies of the 1965 and 1968...
I am working on a pressure vessel constructed in 1964 to ASME Section VIII code. I am looking for the allowable stress for SA240-316L at 200F. I know that the pre-1999 allowable stress is 16,700 psi but I am hoping to find a higher stress at a year closer to 1964. Any information on SA240-316L...
