1.Material: Malleable Casting Iron 2.Size:1/8"- 6" 3.Usage: Widely ... various pipelines to convey gas,water,and oil. Galvanized Water Malleable Iron Pipe Fittings:1.standard: EN10242,ISO7-1 ,NPT 2 ... joining pipe lines of team, gas, oil, air Galvanized Water Malleable Iron Pipe Fittings