Zhoushan Chenshi Machinery Co., Ltd.

China Manufacturer with main products: Screw and Barrel, Plastic Extruder Screw, Plastic Injection Molding Machine, Gear Box, Conical Twin Screw Barrel, Parallel Twin Screw Barrel,...

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parallel twin screw barrel

FOB Price: 1,000.00 - 8,000.00 USD/Set
Supply Ability: 200 Set/Sets per Month
Shipping: ningbo/shanghai by sea
Payment Terms: L/C, T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: wooden case(export standard)


Material: 38CrMoAlA, SKD11, SKD61, HPT2B, high quality alloy steel, etc.
Technology: Nitriding treatment, alloy coating sparying, heat-treatment, etc.
Appliance:  PA, EVOH, EAA, PC,PE, PVC, PP, etc
We can supply all types of screw and barrel according to clients' requirements.

Nitriding depth: 0.50-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of the screw: 0.015mm
Hardness of the chromium plating after nitriding: More than 950HV
Chrome plating thickness: 0.025-0.085mm

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