Chinese screw barrel manufacturer and supplier
QunYing Screw is leading supplier of screw and barrel in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chen Hsong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.
| Product | screw barrel |
| Hardness after hardening and tempering | HB260 °~ 280° |
| 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. |
