Zhoushan Qunying Plastic Machinery Manufactory: Zhoushan, Zhejiang, China; Main products: screw barrel, twin screw barrel, injection screw barrel, extruder screw barrel, conical twin screw barrel

scrue and barel

FOB Price

USD $100 - $10,000 / Set

1 Set(Min.Order)

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Product Details

Place of Origin	Zhejiang, China		Brand Name	QunYing
Model Number	QY-LG037

1.screw and barrel
2.material:alloy-steel of high quality
cessed to drawing or your request

Features specifications: screw

Material:

Alloy-steel of high-quality

1)38 CrMoAIA(JIS SACM645)

2)42CrMo(AISI4140)

3)9Cr18MoV

4)CW6Mo5Cr4V2

5)SKD61

Heat-treatment

Nitriding treatment

Electroplate hard-chrome

High-frequency quenching

Spraying corrosion wear-resisting dual metal layers

Vacuum quenching

Technical Parameter

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer	0.7 mm -0.9 mm
Hardness of Nitriding	HV900 - HV1,000
Nitriding Brittleness	≤Grade 1
Chromate plating	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

Zhoushan Qunying Plastic Machinery Manufactory: Contact nameFeiying Fang
Chat Now; Phone86-580-8340889,8340879; AddressNo.169 Xindao East road, Jintang Town, Zhoushan,Zhejiang,China, Zhoushan, Zhejiang

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