... 11 3Size :1/8'--6' Malleable cast iron pipe fittings 1. Product Item: Pipe Fittings, Malleable Iron Pipe Fittings (elbows, tees, sockets ... . ) 2. Thread Standard: British standard, American standard & DIN 3. Pipe Fittings Material: According with GB/T9440 malleable iron, ASTM A ... -197, ISO5922, EN1562. 4. Pipe Fittings Specification: Size is from 1/8 to 6 inches. 5. Finish: Black, Electric ...