Bimetallic Conical Twin Screw Barrel/Barrel with SKD Inner Case for Extruder/Bimetallic Double Screw Barrel

Bimetallic Conical Twin Screw Barrel/Barrel with SKD Inner Case for Extruder/Bimetallic Double Screw Barrel

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:...
Our flexible and efficient business strategy, high-quality products and competitive prices make us the preferred barrel for rubber machine, Bimetallic Twin Screw Barrel Extruder, Hard PVC screw barrel supplier for our customers. On the road of future development, we will continue to carry forward the enterprise spirit of 'pursuing excellence and sincere service', adhere to the working philosophy of 'down-to-earth, pioneering and innovative, striving for first-class', and work hard to provide customers with a full range of quality services. We have become the common choice of various corporate clients and have an extremely large share of the global market. In order to better serve the vast number of users, our company subdivides the products, so that our business personnel have a more professional understanding of the product, a better understanding of the industry situation and more timely and thoughtful service for users. Our company keeps promises and operates in compliance.


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.
We have advanced testing equipment and perfect technical means to ensure the superior product performance of Bimetallic Conical Twin Screw Barrel/Barrel with SKD Inner Case for Extruder/Bimetallic Double Screw Barrel. Our company always adhere to the purpose of serving customers and grow together with customers under the newer and greater opportunities. We insist on maintaining the independence of the company and focus on pursuing superb craftsmanship and product innovation.
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