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Screw And Barrel for Single Screw Extruder

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Product Description

Material: 38CrMoAlA

Alloy (bimetal)

Technicl process

1. Heat treatment

2. Quenching

3. Nitriding treatment

4. Bimetallic alloy welding for screw

5. Bimetallic alloy centrifugal casting for barrel

6. Hard-chrome electroplating

Technical parameters

Nitriding layer depth:0.5-0.8mm

Nitrided hardness:900-1000HV

Bimetallic layer depth:3 mm

Bimetallic hardness:57~69HRC

Hard-chrome plating hardness after nitriding:≥950HV

Chrome-plating layer depth:0.03-0.09mm

Surface roughness:Ra 0.4

Linearity of screw:0.015mm


Advantages

  • Founded in 2004, 17+ Years Experience

  • Annual Production Capacity of 500 Sets

  • CE & ISO 9001 Certificates

  • 100% Parts are Self-made

  • Competitive Price & Best Customer Service

  • Fast Delivery

  • 12 months quality guarantee

Parameters

Model

Screw Diameter (mm)

SJ-20

20

SJ-30

30

SJ-40

40

SJ-50

50

SJ-65

65

SJ-75

75

SJ-90

90

SJ-100

100

SJ-120

120

SJ-150

150

SJ-180

180

SJ-200

200

Accept custom-built orders.

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