Nitrided screw and barrel for plastic granulator machine

Nitrided screw and barrel, 1.High quality competitive price, 2.Better performance longer life time - details see: https://www.machineto.com/nitrided-screw-and-barrel-for-plastic-granulator-machine-10336450

Type:Recycling Granulator	Place of Origin:Zhejiang China (Mainland)	Brand Name:Qunying Screw And Barrel	Model Number:QY-LG180
Material:PP/PE	Screw Design:Single	Application::plastic granulator machine	L/D Ratio::25-36:1
Screw Diameter:D15-D300	Nitriding treatment::Nitrided hardness:900-1000HV

Nitrided screw and barrel for plastic granulator machine.

For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50
For barrel: Dia. 30-500 mm Length 300-8000 mm

Material Available:

Steel for Nitriding	38CrMoAlA, 31CrMoV9, ect.
Based Material of Bimetallic Barrel	38CrMoAlA. 40Cr, 42CrMo, ect.
Based Material of Bimetallic Screw	38CrMoAlA. 31CrMoV9, ect.
Available Based Material	SKD11,SKD61,Stainless Steel, SACM645,SCM440

Technical Parameter

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer	0.7 mm -0.9 mm
Hardness of Nitriding	HV900 - HV1,000
Nitriding Brittleness	≤Grade 1
Chromate plating	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm