... Iron Pipe FittingsISO 9001OEM SERVICE1. Product Item: Malleable Iron Pipe Fittings(elbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs, backnuts ... /8 to 6inches Reducer products. 5. Finish: Black, Eclectic Galvanized, Hot Dipped Galvanized, all be antirust treatment. 6. Product Usage: Suitable for ... Dimensions: ISO 49, Threads: ISO 7/1 Malleable Iron Pipe Fittings