... iron pipe fittings 1. Product Item: Pipe Fittings, Malleable Iron Pipe Fittings (elbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc. ) 2. Thread Standard ... 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 ...