Screw of rubber extruder

Specifications

Technical diameter:

 Φ120  barrel for pinned type extruder

 Technical Specification

 Hardness After Hardending&Tempering : HB240~280

 Nitrided Hardness : HV950~1000

 Nitrided Case Depth : 0.55~0.7mm

 Nitrided Brittleness :Less Than Grade 1

 Surface Roughness :Ra 0.4

 Screw Straightness :0.015mm

 Surface Chromium-Plating’s Hardness After

 Nitriding≥900HBChromium –plating Depth :0.05~0.10mm

 Alloy Hardness : HRC55~62

 Alloy Depth :1.5~2.0mm

Material and process:

 Quality 38CrMoALA

 Qulity Duplex Stainless Steels

 GH3#Steel

 Quality Powder Metallurgy Raw Materials

 Cold/Thermal Spray Hard Metal Process

 Advanced nitriding Proces

 Corrosion & Abrasion Resistance Bimetal Spraying Process

 Horniness screw (HTP1:abrasion HTP2:corrosion resistance,HTP3:abrasion and corrosion resistance)

QunYing Screw is the leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of screw barrel for our customer according to there requirments.We export Our products to many forein countries.

We established quality control system strictlyas ISO 9001:2008 International Quality System.Every product very be extreme inspected before ex-factory.We can make any types of screw/barrel as per customer request.