For PVC Extruder 38CrMoAlA Based Bimetallic Screw Barrel

For PVC Extruder 38CrMoAlA Based Bimetallic Screw Barrel

FOB Price: US $1,100 - 4,100 / Piece | Get Latest Price Min.Order Quantity: 1 Piece/Pieces Supply Ability: 120 Set/Sets per Month Port: Any China Port (Ningbo/Shanghai etc) Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Negotialbe

Quick Details

Place of Origin: Zhejiang, China (Mainland)                      Brand Name: JS-ALLOY 

Model Number: JS-38CrMoAlA based screw barrel           Depth of Nitration: 0.5-0.8mm 

Depth of hard-chrome plating: 0.03-0.08                           Depth of Alloy layer: 2-3mm

Screw type: Conical TWIN screw                                          Linearity of screw: 0.015mm 

Hardness of hard-chrome plating: > 950HV                       Roughness of surface: Ra 0.4um 

Hardness of alloy: HRC58-62                                                Hardness of nitration: 950-1020HV

Fragility of nitration: Less than grade 1

Packaging & Delivery

Packaging Details   1.screw and barrel are coated with a layer of oil. 

                                 2.screw and barrel are wrapped in a layer of plastic film. 

                                 3.screw and barrel are fixed in strong wooden case. 

                                 4.Volume for one set of screw and barrel is about 0.5cubic meter -5 cubic meter.

Delivery Time         Within 20 days after confirmed with buyer


1) Conical twin screw and barrel 

2) Apply for extruder machine 

3) High quality and lowest price for screw and barrel 

Product Description

For PVC extruder 38CrMoAlA based bimetallic screw barrel

1) Specification

Screw Diameter: OD35/75MM-OD92/188MM

2) Screw Material

38CrMoAlA, SKD11,SKD61,42CrMo,40Cr,9Cr18MoV

3) Material Application


4) Heat treatment

Bimetallic, Nitriding, Hard-chrome plating, Vacuum quenching, High frequency quenching

5) Conical twin extruder screw and barrel date

6) Technical Parameter

Technical Parameter

Depth of nitration0.5-0.8mm
Hardness of nitration950-1020HV
Straight of screw0.015MM
Fragility of nitrationLess than grade 1
Roughness of surfaceRa 0.4um
Depth of alloy layer2-3mm
Hardness of alloyHRC58-62
Hardness after hardening and temperingHB260-290
Hard chrome plating thickness0.03-0.08mm
Hardness of hard chrome plating≥950HV

7) Flow for Screw

Stock Preparation→Rough Turning→Hardening and Tempering→Finish Turning →Screw Milling→Bimetallic Processing(according to demand)→Polishing→ Grinder→Nitrogen Treatment→Finishing Polish→Accurate Grinding→Packing

8) Flow for Barrel

Stock Preparation→Punching→ Hardening and Tempering→Reaming→Hole Grinding→Finish Turning→Milling Material Mouth→Nitrogen Treatment→Companion-flange→Packing

9) Conical Twin screw and barrel product showing

Packaging & Shipping

1.Screw and barrel are coated with a layer of oil.

2.Screw and barrel are wrapped in a layer of plastic film.

3.Screw and barrel are fixed in strong wooden case.

4.Volume for one set of screw and barrel is about 0.5cubic meter -5 cubic meter.

Our Services

1) We have more than 1 year gurantee

2) We can ship the goods within 20 days

3) We can make different type for screw and barrel as buyer request

4) We always offer the best price to customer

5) We keep improving to make high quality

6) We can mapping the drawing for customer

7) We can give a reasonable suggestion to customer


Jinsheng Advantage

1) With high wear resistance and anti-corrosion 

2) Through processing ,it can be prolong use life for screw and barrel

3) Cold and heat spraying for hard metal process 

4) High-frequency quenching technology

5) Advanced nitriding technology

6)  Processing and manufacturing process for Bimetallic 

7) Lowest price, high quality, delivery on time

Now we export to South-east Asia, Europe, America, Middle east countries etc. At the same time, we provide the OE services for hundreds of customer for domestic market.

Company Information

Jinsheng Bimetallic is over 10 years to make the screw and barrel,our main product is Bimetallic screw and barrel,it is first company have this equipment to handle bimetallic in zhoushan.


Also with conical twin screw and barrel ,parallel twin screw and barrel,single screw and barrel apply for injection molding machine and extrusion machine.

For the material we used :38CRMOALA,#45 steel,40Cr, high temperture ALLOY ,SKD61,SKD11 etc.

For heat treatment : Bimetallic alloy treatment, Nitriding treatment, electroplated hard-chrome ,high-frequency quenching, vaccum quenching etc.



What is Jinsheng company CULTURE?

Management idea: 



Working Spirit 







Find excellent quality for pvc extruder 38crmoala based bimetallic screw barrel made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you for pvc extruder 38crmoala based bimetallic screw barrel 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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