Conical twin screw&barrel
Specification
Φ45/90，Φ45/100，Φ50/105，Φ51/105，Φ55/110，Φ60/125，Φ65/132，Φ80/143，Φ80/156，Φ80/163，Φ80/173，Φ92/188
Use top-quality 38CrMoALA or use materials according to the requirements of the user（e.g.9Cr8Mov、SKD61）
Features
38CrMoALA Nitriding treatment
Surface hardness：HV≥900
Nitriding depth：0.5-0.8mm
brittleness ≥Grade 1
Base material：38CrMoALA, Special alloy is welded on the flight of screw,prolong life of screw.
Base material：38CrMoALA, The surface of the screw arris is spray-welded with dual alloy,which can prolong the life of the screw.
