Ductile Iron Grooved Fittingsincluding 90 Elbow, 45Elbow, Tee, Cross, Flange, Cap, etc.they casted with Ductile Iron and seal with rubber then socketed two pipes or parts. Normally the Grooved fittingsused for the connection of the fire-fighting pipe is the fire-fighting pipe. Our Ductile Iron Grooved Fittings with high quality and best sevice. Material: Ductile Iron Casting, conforming to ASTM A536 65-45-12 Equal to QT450-12. Size:2"-8" Coating: 1.Painting 2.Epoxy 3.Dacromet 4.Galvanized Colour: 1.Red 2.Blue 3.White 4.Orange Packing: Carton on Pallets or as negotiation.