The Parallel Twin-screw and Barrel for Exturde Machine
Material of parallel twin-screw and barrel: Alloy-steel of High-Quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Gr18Mov
Features of parallel twin-screw and barrel:
Heat-treatment
Nitriding treatment
Electoplated hard-chorme finish
Spray coating Bimetallic -alloy
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