standard

PRODUCT

Special Products
BW Fittings
Forged Fittings
Steel Pipe Tube
Flanges
Fasteners
Steel Sheet Plate
Round Bar
Welding Wire Electrodes

STANDARDS

ASTM A420Download

ASTM A420/ASME SA420 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
Material Grade WPL6 WPL9 WPL3 WPL8