Piping Material Specification 1CA1S01 Class 150, Impact Tested Carbon Steel, Socket Weld, 0.063" C.A. Process
standard by Process Industry Practices, 12/01/2005

Piping Material Specification 1CA1S01 Class 150, Impact Tested Carbon Steel, Socket Weld, 0.063" C.A. Process [Technical Revision]
standard by Process Industry Practices, 07/01/2011