Standards

Material Standards

ASTM A105/A105M

Carbon Steel Flange Standard Specification

ASTM A182

Alloy and Stainless Steel Flange Standard Specification

ASTM A694

For High Pressure Transmissions

ASTM A350

Carbon and Low Alloy Steel Flanges for Low Temperature Services

Manufacturing Standards

mss sp-44 flange specification

ASME B16.5

Flange and Flanged Fittings Specification

MSS SP-44

For Steel Pipeline Flange