1. Product Introduction
The product material is made of alloy steel: 38CRMOALA, which undergoes processes such as quenching and tempering, qualitative analysis, nitriding, and precision grinding, and has extremely high wear resistance and corrosion resistance.
Specifications:
Ø20mm-Ø220mm
250-3200 tons locking force
30g-25000g injection volume

3. technologyparameter
Surface hardness: HV ≥ 290
Nitriding hardness: HV850-1000
Nitriding depth: 0.45-0.7mm
Nitriding brittleness: ≤ Level 1
Screw straightness: 0.015mm
Surface chrome plating hardness after nitriding: ≥ 900HV
Chrome plating thickness: 0.05-0.1mm
Dual alloy hardness: 60-70 HRC
Alloy depth: 0.8-3.0mm
Outer diameter of barrel: 40mm-400mm
Length to diameter ratio L/D: 10-46

4. Scope of application
Suitable for injection molding various plastics such as PP, PE, PVC, ABS, PBT, PET, PC, PA, PPS, acrylic, electric wood powder, etc.