SJSZ bimetallic screw barrel
For good plasticizing effect,we have different designs of Bimetallic Screw Barrel to meet customer's demand.
Product Parameter
| Product | 50mm Bimetallic Screw Barrel For Extruder |
| Hardness after hardening and tempering | HB260° |
| Nitrided Hardness | HV950°~1000° |
| Nitrided Depth | 0.5 0~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Chromium-plating Depth | 0.05~0.10mm |
| ALLoy Depth | 0.8~2.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy | iron,nickel,tungsten,molybdenum |
| Types of screw | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
Raw Material: The finished product processing requirements: 38CrMoAlA,SACM645,42CrMo Nitriding treatment 42CrMo,AISI 4140 Hard chrome coated layer 4Cr5MoSiV1,SKD-61,SKD-11 Sparying bimetal alloy layer and nitriding treatment HPM38,SI36,SUS440,9Cr18MoV High frequency quenching GHII3 Airset in high temperature 
