BRITISH STANDARD:
Material: EN1562
Dimensions: BSEN10242, BS143&1256
Threads: ISO7/1
DIN STANDARD:
Material: ISO5922
Dimensions: ISO49, DIN2950
Threads: ISO7/1
AMERICAN STANDARD:
Material: ASTM A-197, ASTM A-47
Dimensions: ASME B16.30, B16.14, Union Dimension: B16.39
Threads: ANSI B1 20.1