Classic Polyester Breathable Plush Car Seat Cover

Classic Polyester Breathable Plush Car Seat Cover

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 Specification: ISO9001-2008 HS Code: 8477900000 Plastic...
Our mission should be to create imaginative products to prospects with a excellent knowledge for hard chrome plating screw barrel, injection cylinder, PVC TWIN SCREW BARREL. Our tenet is 'professional' and 'proficient', and we will provide you with safe, reliable and complete pre-sales and after-sales services. Welcome to call or write to us for consultation. We adhere to the business philosophy of 'integrity as the purpose and quality as the backing'. Sincerely welcome new and old friends to call, write, and negotiate business! We will establish a more complete mechanism, actively assume responsibility, and formulate procedures that can be implemented steadily to ensure our company can grow steadily. With high-quality products and thoughtful after-sales service, we warmly welcome new and old customers from all walks of life to choose our products.


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

Specification:  ISO9001-2008

HS Code: 8477900000

Plastic Processed: PVC

Automation: Automatic

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: China Mainland

Product Description

Wear-resisting bimetallic conical twin screw barrel for WPC wall


JS-ALLOY 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:

Φ 22/45, Φ 35/75, Φ 40/80, Φ 45/90, Φ 45/97, Φ 50/105, Φ 51/105, Φ 55/110, Φ 60/125, Φ 65/120, Φ 65/132, Φ 70/143, Φ 70/150, Φ 80/143, Φ 80/156, Φ 90/188, Φ 92/188, Φ 95/190, Φ 105/191, Φ 100/200

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.


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 bimetallic conical twin screw made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you bimetallic conical twin screw with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.
As a qualified supplier, we have the ability to provide you with the best and most suitable products. If you do not meet the requirements, you can return or exchange the Classic Polyester Breathable Plush Car Seat Cover until you are satisfied. We have established a complete sales, production and after-sales service system. We take 'strive to safeguard the interests of customers and serve with integrity' as our practice standard, and use the quality of the products and reasonable prices to serve our customers! Winning every customer in long-term common development is our unremitting pursuit.
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