screw and barrel

Original
price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-06-30 18:59
Browse the number: 226
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Product details
screw and barrel

We are a professional manufacturer of screw and barrel for 17years,we can supply and design all kinds of screw&barrel according to your requirments

base material

1.38 CrMoAIA(JIS SACM645)

2.42CrMo(AISI4140)

3.9Cr18MoV

4.CW6Mo5Cr4V2

5.SKD61



bimetallic alloy maerials:

1.Fe-based alloy

2,Ni-based alloy

3,Co-based alloy

4.NiCo-based alloy

5.Tungsten carbide

Heat-treatment

Nitriding treatment

Electroplate hard-chrome

High-frequency quenching

Spraying corrosion wear-resisting dual metal layers


Depth of Nitrated Layer 0.5-0.8mm
Hardness of nitration 900-1020Hv
Fragility of nitration Less than grade 1
Surface roughness Ra 0.4um
Hardness of Cr-coating Layer ≥950Hv
Thickness of Cr-coated Layer 0.03-0.08m
Appliance PVC, PP, PE, PA, PC, ABS, AS etc
guarantee period a year

if there is any need ,please contact us.
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