conical screw and barrel

Posted by vscrewbarrel in Member Albums on September 25 at 08:24 AM  ·  Public

Place of Origin: Zhejiang, China (Mainland)

Brand Name: Qunying

Model Number: conical twin screw barrel

Base material: 42CrMo4, 38CrMoAlA, 41CrAIMo7, 16MnCr5, 31CrMoV9, 34CrAINi7, etc

Surface treatment: Bimetallic, Nitrided, hard-facing, chrome-plated, etc

Surface hardness: 900-1000HV

Surface roughness: Ra0.4

Nitride brittleness: <= Grade 1

Surface straightness: 0.015mm

Bimetallic thickness: 1.5mm~3mm

Nitride depth: 0.5~0.8mm

Alloy powder: 4 main kinds of alloy powder avaliable

Size: as per customer's drawings

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