Product Description
Technical Specification
1.hardness after hardening & tempering: HB240-280
2.nitrided hardness:HV850-1000
3.nitrided cass depth:0.45-0.7mm
4.nitrided brittleness:less than grade 2
5.surface roughness: Ra0.4
6.screw straightness:0.015mm
7.surgace chromium-plating's hardness after nitriding:>900HB
8.chromium-plating depth:0.05-0.10mm
9.alloy hardness:HRC56-65
10.alloy depth:0.8-2.0mm

Product Feature
Materials &Processes
1.quality 38CrMoAlA
2.quality duplex stainless steels
3.GH113
4.quality nickel-based alloy powder
5.cold/thermal spray hard metal process
6.advanced nitriding process
7.corrosion &abrasion resistance bimetal spraying process.

Product Specification/Models
compressing rate of screw can be designed according to different products and mixtures.

Application
plastic extruder

Payment
T/T L/C

Delivery
50days

Origin
china

Minimum Order
1pair

Packaging
wooden box

Samples
Charge

Remarks
guangyou screw