China Extruder Screw Barrel & Screw Barrel Set Manufacturer

A wide selection of high quality products for you

High Resistance Single Screw Extruder Screw Barrel Precision For Enhanced Wear Resistance

Nitriding Treatment Single Screw Barrel Ra 0.4um For Granulation Extruder Machine

Application:	Single Screw Extruder Machine
Nitrided Brittleness:	Less Than Grade 1
Surface Roughness:	Ra 0.4um

Granulator Single Screw And Barrel 0-600rpm Screw Speed 2-5mm Alloy Depth

Quenching Hardness:	HRC 58-62
Screw Type:	Single Or Twin
Screw Speed:	0-600rpm

ALVEN Granulation Screw Barrel For Extruder Single Or Twin Type Screws And Barrels

Chromium Plating Layer Hardness:	>=950HV
Material:	38CrMoAlA/40CrMo/SKD61/SKD11
Chromeplate Thickness:	0.05~0.10mm

Single Screw Squeezer Screw Barrel Alloy Steel Material And 0.5-0.8mm Nitrided Layer Thickness

Product Nitrided Layer Thickness:	0.5-0.8mm
Product Processing:	Nitriding/ Bimetallic Treatment
Product Material:	Alloy Steel

Nitrided Layer Screw And Barrel For Extruder Squeezer Nitriding / Bimetallic Treatment

Product Nitrided Layer Roughness:	Ra0.4
Product Processing:	Nitriding/ Bimetallic Treatment
Product Barrel Straightness:	0.015mm

Gradual Type Mutant Type Bimetallic Single Screw Barrel For Injection Machine Diameter Ø20-Ø400

Material:	38CrMoAIA,SACM645,42CrMo,AISI4140
Warranty:	1 Year
Video Outgoing-inspection:	Provided

High Precision Parallel Twin Screw Barrel For PVC Extrusion Machine

Tempering Hardness:	HB260-290
Nitriding Hardness:	HV950-1050
Depth Of Nitriding Layer:	0.4-0.7mm

Who We Are

Zhejiang Alven Intelligent Manufacturing Co., Ltd.

Alven Intelligent Manufacturing Co., Ltd., formerly Jiading Plastic Machinery Co., Ltd., found in 2002, is located in Zhoushan——hometown of screws & barrels. The factory covers an area of 22,000 square meters , currently has 80 employees. The factory has a professional team made up of skilled maintenance and production personnel, providing door-to-door measuring , designing, rebuilding and OEM. ...

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Zhejiang Alven Intelligent Manufacturing Co., Ltd.

Bimetallic Layer Hardness:	HRC62-68
Surface Treatment:	Nitriding
Bimetallic Layer Nitriding Depth:	0.5-0.8mm

Material:	38CrMoAlA
Warranty:	1 Year
Video Outgoing-inspection:	Provided

Barrel Length:	500-10000mm
Screw Length:	500-10000mm
Screw Diameter:	Φ35-Φ200mm

Barrel Straightness:	0.015mm
Barrel Hardness:	HRC58-62
Nitriding Depth:	0.5-0.8mm

Surface Roughness:	Ra 0.4um
Nitriding Hardness:	≥900HV
Material:	High-quality Alloy Steel

Product Nitrided Layer Hardness:	≥950HV
Product Nitrided Layer Roughness:	Ra0.4
Product Material:	Alloy Steel

Screw And Barrel Hardness:	HRC 58-62
Material:	High-quality Alloy Steel
Barrel Cooling Method:	Water Cooling Or Air Cooling

Product Material:	Alloy Steel
Product Processing:	Nitriding/ Bimetallic Treatment
Product Barrel Straightness:	0.015mm

Nitriding Hardness:	HV950-1200
Screw Structure:	Single, Double, Or Multi-screw
Warranty:	12 Months

News & Cases

Here are the latest news and cases, so that you can know more about us

22/07/2025

Zhejiang Evian: Ingenuity and innovation behind the screw and barrel

Read More
22/07/2025

Elevating Quality Standards for a Recycled Plastic Pipe Manufacturer

Challenge: A pioneer in sustainable infrastructure solutions faced critical defects in its recycled HDPE/PP pipes: persistent internal microbubbles and subpar surface finish (Ra > 12.5 μm). These flaws caused 18% rejection rates, breached GB/T 19472.2-2017 national standards, and jeopardized ...
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22/07/2025

Transforming Plastic Compounding for a Specialty Materials Innovator

Challenge: A polymer compounding enterprise struggled to blend recycled plastics with performance-enhancing additives (glass fibers, flame retardants) due to inadequate dispersion. This resulted in weak interfacial adhesion, inconsistent mechanical properties, and rejection rates exceeding 15%...
Read More

Get In Touch

No.6 Xingang Ave.2, Hi-tech District Zhoushan Zhejiang

holly@zsjpjx.com

15905800298

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China Extruder Screw Barrel & Screw Barrel Set Manufacturer

ALVEN Nitriding Bimetallic Screw And Barrel For Pp Pe Pvc Pipe Recycling Extruder Machine

High Efficiency 38CrMoAlA Plastic Extruder Screw Barrel For PP PE PVC Granulation And Pipe Production

Oil Cooling Or Water Cooling Extruder Screw Barrel Set & Extruder Screw And Barrel For PP PE PET PPR PVC

HDPE PE Pipe Extrusion Screw And Barrel Manufacturing Machine Φ35-Φ200mm Screw Diameter

Squeezer Machine Extrusion Screw Barrel For Recycling Agricultural Plastic Film After Cleaning

Nitriding Single Screw Barrel For Extrusion Machine / Squeezer Machine Barrel

Gradual Type Mutant Type Bimetallic Single Screw Barrel For Injection Machine Diameter Ø20-Ø400

Precise Extrusion Squeezer Screw Barrel Straightness 0.015mm And Nitrided Layer Hardness ≥950HV

Conical Double Screw And Barrel For Extruder WPC Screws And Barrels Smooth Grooved Or Shunt Type

Customized Bimetallic Screw Barrel Ø15-Ø300 For Plastic Extrusion And Recycling Machine

Alloy Steel Nitrided Layer 950HV Squeezer Screw Barrel Plastic Extruder Screw Barrel

Straightness 0.015mm 40CrMo Screw Barrel Set For Granulator 300-8000mm Length 38CrMoAlA

38CrMoAIA Single Screw Barrel For Recycling Granulation Extruder Machine

High Wear Resistant Squeezer Screw And Barrel For Plastic Squeezer Machine

Customized Nitrided Bimetallic Conical Twin Screw Barrel For Extruder Machinery Surface Roughness Ra 0.4

Ra 0.4 80/156 Conical Twin Screw And Barrel 38CrMoAlA For Extrusion Machinery

Parallel Twin Extruder Screw And Barrel For Floating Fish Feed Extruder Machine

Superior Parallel Twin Screw Extruder Barrel 38CrMoAlA SKD61 SACM645 For Plastic Extruder

Customized Extruder Screw And Barrel For Granulation Machine Ra0.4 Surface Roughness

38CrMoAIA Ø20-Ø400 Injection Molding Screw Barrel For Automatic Machine

Conical Twin Screw & Barrel And HDPE Twin Screw For PE Plastic Production Plastic Extruder Parts

Customized Double Screw And Barrel For Recycling Granulation Parallel Twin Screw 0.015mm/M Straightness

SPC Floor Stabilization PVC Parallel Twin Screw Barrel Nitriding Extrusion Screw Barrel

PE Film Blowing Machine Extruder Screw Barrel Bimetallic Cylinder Screw Barrel For Extruder

Bimetallic Screw Cylinder Squeezer Screw Barrel Single Extrusion Screw Barrel Φ15-Φ300mm

Grade 2 Extruder Squeezer Screw & Barrel For Tons Of Packets Of Extrusion Granulation

Industrial Grade Nitriding / Bimetallic Screw And Barrel Single Screw Barrel

Precise 0.015mm Straightness Squeeze Screw And Barrel Durable Alloy Steel Material 0.5-0.8mm Nitrided Layer

Alloy Steel Extruder Screws And Barrels With Nitriding Treatment For Optimal Performance

Nitrided Brittleness ≤2 Plastic Extrusion Screw And Barrel Roughness Ra0.4 For Removing Water Product

Single Or Twin Screw Type Screw Barrel For Extruder And Surface Roughness Ra0.4

High Hardness Nitriding Screw And Barrel For Granulation HV950-1200

Material:	38CrMoAIA,SACM645,42CrMo,AISI4140
Weight (kg):	350
Warranty:	12 Months