screw barrel for rubber machine from China manufacturer - Zhoushan Vanscrew Machinery Co.,Ltd.

Price:	2000.0~5000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: RC-90

Production Capacity: 500sets/Month

Delivery Date: 30days

Material: 38CrMoALA

Nitrided time: 120Hours

Hardness: Hv900-1000

Means of Transport: Ocean,Land,Air

Packing: wooden case

Brand Name: Vanscrew

Heat-treatment: Nitrided

Nitrided thickness: 0.5-0.8mm

Origin: Zhoushan

1. 38 CrMoALA Material
2.Nitriding Depth:0.4~0.7mm
3.High Quliaty Base Material

Grade available:

1. Standard grade: 38CrMoAlA + nitriding 96 hours
2. Bimetallic grade: 38CrMoAlA + bimetallic alloy
3. TC-A grade: Tungsten carbide 40%
4. TC-B grade: Tungsten carbide 25%
5. TC-C grade: Tungsten carbide 15%

***Material for rubber extruder screw barrel for rubber processing machine

1)38CrMoALA(JIS SACM645)

2)42CrMo(JIS SCM440)

3)9Cr18MoV
4)CW6Mo5Cr4V2

5)Various high quality alloy steels,According to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant. For standard, we have Fe-based, Ni-based, ^W2C alloy,Tunsten alloy etc for choice.

Rubber,various high glass fiber, mineral fiber and PPA,PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + 30% CaCo3, recylced plastic material.

***Treatment:

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 /DC53/SKD61/HTP
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