... or carbon steel lagre conveying capacity Double Screw Conveyors with carbon steel 1.Screw conveyor Material: Stainless steel or carbon steel 2.High ... outer casing is made of seamless steel pipes, and the end caps are connected with flanges. 6.Screw conveyor Usage: ... stickiness and easy blocking. 7.Main Structuremade up of reducer with motor, sprocket, gear, trinal screw flight, casing, lubrication ...