Piping Material Specification 3NM0B02 Class 300, Alloy 400 (UNS N04400), Butt Weld, 0.000" C.A. Oxygen
standard by Process Industry Practices, 03/06/2006

Piping Material Specification 3NM0B02 Class 300, Alloy 400 (UNS N04400), Butt Weld, 0.000" C.A. Oxygen
standard by Process Industry Practices, 04/01/2016