Butt Weld Fittings ASME B16.9

We offer an extensive range of butt weld pipe fittings to ASME B16.9:2018 from stock, this includes fittings in sizes up to 32” or 800mm NB. The vast majority of fittings we offer to this standard are standard weight seamless fittings which in sizes up to 10″ has the same wall thickness as Sch40, all are made of black (self-colour) ASTM A234 WPB carbon steel. These fittings are all available with 3.1 test certification ensuring full traceability and we’re previously known as BS 1640 welding fittings.