Single screw barrel:15-360 L/D=15-56
☆Material:38CrMoALA, SKD11, SKD61, SACM645, SCM440, Ni60
☆SurfaceTreatment: PTA, Gas nitrided , Hard chrome plating, phorphor nickel alloy plating
Technical Details:
Nitriding treatment(120 Hours)
☆Depth of Nitrided Layer: 0.5-0.8 mm
☆Hardness of Nitrided Layer: 900-1020Hv
☆Fragility of Nitration:less thanTwo class
Hard Chrome Plating treatment:
☆Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
☆Hardness of Hard Chrome Plating Layer: more than 950HV
Phorphor nickel alloy plating.treatment:
☆Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
☆Bimetallic Screw: Plasma Alloy Coating Spraying
☆Depth of Bimetallic Layer: more than 2mm
☆Hardness of Bimetallic Layer: HRC55-72
Tugsten carbide(Double-alloy level)
Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%
Other technical data:
☆Roughness of the surface:Ra0.4um
☆Linearity of the screw: less than0.015mm
☆Linear axis limit: less than0.02mm
☆Hardness after Hardening andTempering: HB240-280
General terms of business:
☆ Hs Code: 84779000 Means of transport:Ocean
☆Supply ability:300 sets per month
☆Delievey Time: 20 working upon receipt of 30% deposit
☆Package:film wrapped in wooden case
☆Production time is about 25 days after we receive the deposit and lead time will different according to the order quantity!
☆Warranty:common is1-2 years, bimetallic is much longer
Our screw and barrel can ensure high performance and low energy consumption for extruder machine. Also we supply OEM service according to your requirements!
Pls don't hesitate, choosing us is your right choice！
