Malleable Iron Pipe Fittings ISO 9001 OEM SERVICE Malleable Iron Pipe FittingsISO 9001OEM SERVICE1. Product Item: Malleable Iron Pipe Fittings(elbows, tees, sockets, bends, nipples, unions, crosses, flanges ... DIN 3. Product Introduction Material: According with GB/T9440 malleable iron 4. Specification: Size is from 1/8 to 6inches ... Dimensions: ISO 49, Threads: ISO 7/1 Malleable Iron Pipe Fittings