Piping Material Specification 1NU0B01 Class 150, Alloy 20, (UNS N08020), Butt Weld 0.000" C.A. Process (PTFE Packing/Gaskets) [Complete Revision]
standard by Process Industry Practices, 07/01/2014

Piping Material Specification 1NU0B01 Class 150, Alloy 20, (UNS N08020), Butt Weld 0.000" C.A. Process (PTFE Packing/Gaskets)
standard by Process Industry Practices, 03/06/2006