... Malleable cast 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: British standard, American standard & DIN 3. Pipe Fittings ... , ASTM A-197, ISO5922, EN1562. 4. Pipe Fittings Specification: Size is from 1/8 to 6 inches. ...