Parallel and Concial Screw for Extruder Machine

Model NO.: parallel and concial screw for extruder Technics: Press Material: Metal Screw Diameter: 20mm-220mm Hardness: HRC55-65 Nitrided Brittleness: Less Than Grade 1 Trademark: JHM HS Code: 84779000 Standard: GB Feature: Recycle, Disposable Name: Jhm Alloy Thickness: 2.5cm-4cm Nitrided Layer Depth: 0.5-0.8mm Surface Roughness: Ra0.4 Origin: Dongguan, Guangdong Product Details
Basic Info.
Standard: GB
 
Technics: Milling
Material: Iron
 
Export Markets: Global
Additional Info.
Trademark: JHM
Packing: Plywood Case
Origin: Dongguan China
Production Capacity:100
Product Description
Base Materials: 
1). 38CrMoAlA(JIS SACM645). 
2). 42CrMo(AISI 4140). 
3). 4Cr5MoSi V1 (JIS SKD-61). 
4). 9Cr18MOV
5). HPT

Bimetallic alloy materials: 
1). Fe-based alloy
2). Ni-based alloy/Deloro alloy
3). Co-based alloy
4). NiCo-based alloy
5). Tungsten carbide/Wolfram carbide


 
Technics: 
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter: 
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm


 

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Product Categories : Parallel Extrusion Screw Barrel