ASME B16.9 Factory Made Wrought Butt welding Fittings
ASTM A403 Wrought Austenitic Stainless Steel Piping Fittings
ASTM A960 Common Requirements for Wrought Steel Piping Fittings
ASTM A815 Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
EN 10253-3 Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
EN 10253-4 Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
From 3.0 mm wall thickness bevelled in compliance with DIN 2559-22 or ASME B 16.25.