I'm working on old refinery revamping project, and I need to tie-in from ASTM A155 Gr.C55 CL.I.
The material has been replaced in 1978 so, I cannot find any allowable stress values.
Few days back in #thread292-16187, A155 allowable stress value is available in ASME B31.3- 1976.
So, I'd like to...