Piping Material Specification 3NM0B01 Class 300, Alloy 400 (UNS N04400), Butt Weld, 0.000" C.A. Process
standard by Process Industry Practices, 08/01/2014

Piping Material Specification 3NM0B01 Class 300, Alloy 400 (UNS N04400), Butt Weld, 0.000" C.A. Process
standard by Process Industry Practices, 03/06/2006