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Zhoushan Shenglong Machinery Co.,Ltd.
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Price: | 100.0~10000.0 USD |
Payment Terms: | T/T,L/C |
Place of Origin: | Zhejiang, China (Mainland) |
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Product | Rubber Extruder Screw Barrel |
Hardness after hardening and tempering | HB260°~320° |
Nitrided Hardness | HV950°~1000° |
Nitrided Depth | 0.50~0.7mm |
Nitrided Brittleness | above 2 stage |
Surface Roughness | Ra0.4 |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating afterNitriding | 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,barriertype,double screen type,shunt type,separation type,exhaust type,pintype,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 nitridingtreatment |
HPM38,SI36,SUS440,9Cr18MoV | High frequency quenching |
GHII3 | Airset in high temperature |