plastic extruder screw barrels from China manufacturer - Zhoushan Qunying Plastic Machinery Manufactory

Price:	1.0~100000.0 USD
Payment Terms:	T/T,L/C,WU
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: QY-093

Production Capacity: 200 sets/month

Delivery Date: within 30days after order c...

Use: Film Crusher

Material: 38CrMoAlA 42CrMo

HS code: 8477900000

Nitriding time: more than 120 hours

Hardness: HB240-280

Bimetallic: Fe-based,Ni-based,Tungsten ...

Means of Transport: Ocean,Land,Air

Packing: wooden case (export standar...

Plastic Type: PVC

Shaft Design: Double

Machine: screw barrel

Certificate: ISO9001

Roughness: Ra0.4 um

Screw Barrel: screw and barrel

Warranty: Common 1-2 years,bimetallic...

1.Plastic extruder screw barrel
2.Material:alloy steel
3.ISO 9001:2008 approved
4.Long working life, wear resistance, and anti corrosion

Specifications

Material: 38CrMoAlA
Quality guarantee period:Calcium powder proportion
Diameter:20mm~300mm
Length/Diameter ratio:L/D=15~55
Cobalt-base alloy single plastic extruder bimetallic screw barrel

Technical Index

1.Hardness after hardening and tempering: HB280-320

2.Nitrided Hardness: HV850-1000

3.Nitrided case depth: 0.50-0.80mm

4.Nitrided brittleness: less than grade 2

5.Surface roughness: Ra 0.4

6.Screw straightness: 0.015 mm

7.Surface chromium-plating's hardness after nitriding: ≥900HV

8.Chromium-plating depth: 0.025~0.10 mm

9.Alloy Hardness: HRC50-65

10.Alloy depth: 0.8~2.0 mm

Materials & Processes

1.Quality 38CrMoAlA (JIS SACM645)

2.Quality Duplex Stainless Steels

3.42 CrMo (JIS SCM440)

4.40Cr

5.GH113

6.SKD11

7.SKD61 (H13)

8.Gr12MoV

9.Quality Powder Metallurgy Raw Materials

10.Cold/Thermal Spray Hard Metal Process

11.Advanced nitriding Process

12.Corrosion & Abrasion Resistance Bimetal Spraying Process
Cobalt-base alloy single plastic extruder bimetallic screw barrel

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