The parellel twin-screw for vacuum extruder in many specifications.
The parellel twin screw's Abrasion resistant and corrosion resistant
The parellel twin screw of Material:High quality alloy steel
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Hard-chrome electroplated
4)Bimetallic-alloy coating spraying
Technical parameter
Nitriding depth:0.50-0.80mm
The parallel twin-screw for vacuum extruder in many specifictions
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