... ,and oil. Galvanized Water Malleable Iron Pipe Fittings:1.standard: EN10242,ISO7-1 ,NPT 2.banded , beaded 3. hot ... pipe fitting : elbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc.Size18"-6"Thread ... material, precise angles, good antirust propertyProduct UsageSuitable for joining pipe lines of team, gas, oil, air Galvanized Water Malleable ...