Applicationt:
auto
Production Description:
The injection single screw for extruder and injection molding machine in many specifications.
The single screw's Abraasion resistant and corrosion resistant
Material:High quality alloy steel
1)38CrMoAlA
2)42CrMo
3)Cr12MoV
4)4Cr5MoSiVL
5)CCrWMov
6)9Gr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Hard-chrome electroplated
4)High-frequency quenching
5)Bimetallic-alloy coating spraying
Technical paremeter
Nitriding depth:0.50-0.80mm
Nitriding hardness:900-1000HV
Nitriding barittleness:Less than grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chromium plationg after nitriding :more than 950HV
Chrome plating thickness:0.025-0.085mm
The single screw in high quality for extruder and injection molding machines