Zhoushan Twin Double Screw and Barrel Manufacturer |
Product Description
1.Raw material:38CrMoAlA,after high temperature nitriding,nitriding depth:0.5-0.8mm.
2.The surface of the screw adopt the nitriding treatment,the surface hardness:HV740-940.
3.Base material:38CrMoAlA,special alloy is welded on the flight of screw,prolong life of screw.
4.The screw designed is specially for plastic extruder.
5.Nitriding Treatement,Quench,Realiable Performance for it.
Double-Alloy Technical Parameter
Double-alloy level:
No. | Item | Description |
1 | Level A | Containing tungsten of 40% |
2 | Level B | Containing tungsten of 40% |
3 | Level C | Containing tungsten of 40% |
4 | Hardness of alloy | HRC56-65 |