Twin Screw Barrel

Screw For Conical Twin

Screw For Conical Twin

Basic Info Type: Pipe Extruder Screw: Twin-Screw Computerized: Computerized Base Material: 38crmoala Nitrided Layer Depth: 0.5-0.8mm Surface Roughness: Ra 0.4 Bimetallic Layer Depth: 3 Mm Hardness After Hardening&Tempering: Hb240-280 HS Code: 8477900000 Plastic Processed: PVC Application:...

Product details


Basic Info

Type: Pipe Extruder

Screw: Twin-Screw

Computerized: Computerized

Base Material: 38crmoala

Nitrided Layer Depth: 0.5-0.8mm

Surface Roughness: Ra 0.4

Bimetallic Layer Depth: 3 Mm

Hardness After Hardening&Tempering: Hb240-280

HS Code: 8477900000

Plastic Processed: PVC

Application: Extruder

Nitrided Hardness: 900-1000hv (HRC 55-65)

Nitrided Brittleness: Less Than Grade 1

Linearity of Screw: 0.015 Mm

Bimetallic Layer Hardness: HRC 58-70

Trademark: JS-ALLOY

Origin: ZHOUSHAN,ZHEJIANG

Product Description

92/188 conical twin screw barrel for pipe extrusion


JS-ALLOY SCREW BARREL is one of the most history and famous screw barrel brand in China. We have professional and experienced teams in every department of our company. We think professional, quality and service is the basic of business. If you want reliable and helpful screw barrel, we will be your best choice! Please kindly find our detailed information as following:


Conical twin screw barrel specification:

Φ22/45, Φ35/75, Φ40/80, Φ45/90, Φ45/97, Φ50/105, Φ51/105, Φ55/110, Φ60/125, Φ65/120, Φ65/132, Φ70/143, Φ70/150, Φ80/143, Φ80/156, Φ90/188, Φ92/188, Φ95/190, Φ105/191, Φ100/200

1. The above is standard sizes, if your screw barrel size didn't mentioned above, please contact me & we will give you best solution for it!

2. We provide Cincinnati, Battenfeld, Krauss Maffei, Amut, BAUSANO, Weber designing.


Products display:



Conical twin screw barrel application:

1) PVC pipe extrusion line; 2) PVC sheet extrusion line;

3) PVC & WPC profile extrusion line; 4) PVC granulation line;

5) PVC foaming production line;

The raw material can be new and recycle, the material can compound calcium powder 5% - 300%.


Technical information:

Base materials:

1)38CrMoAlA (JIS SACM645)

2)42CrMo (AISI 4140)

3)4Cr5MoSi V1 (JIS SKD-61)

4)DC53 (JIS G4404)

5)Cr12MoV (SKD11)

6)9Cr18MoV

Bimetallic alloy materials:

1)Ni-based alloy/Deloro alloy

2)Fe-based alloy

3)Co-based alloy

4)NiCo-based alloy

5)Tungsten carbide/Wolfram carbide

Processing technics:

Heat treatment

High-frequency quenching

Nitriding treatment

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Hard-chrome electroplating

Technical parameters:

Nitriding layer depth: 0.5-0.8mm

Nitrided Hardness: 900-1000HV (HRC 55-65)

Nitrided brittleness: Less than grade 1

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Bimetallic layer depth: 3 mm

Bimetallic layer hardness: HRC 55-70

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.03-0.1mm


Products Application:

1)General Plastics, PVC

2)Material compounds CACO3, glass fiber, recycle materials, stabilizer

3)ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU etc

4)Scrap and waste plastic and PVC recycling

5)Modified engineering plastics


Terms and Conditions:

Means of transport: Ocean, Air, Express

Production time: About 20-30 days after we receive the advanced payment


Production Process:

Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Hard-chrome plating - O. D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping


Find excellent quality screw for conical twin made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you screw for conical twin with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.
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