Zhoushan Dinghai Jinhua Plastic Machinery Factory [China]

Detailed Product Description

Hot feed rubber extruder screw

material

High-quality alloy steel:
  138CrMoALA(JIS SACM645)
  2) : 42CrMo(JIS SCM440)
  3) : 9Cr18MoV
  4) : CW6Mo5Cr4V2

Hot treatment
     Nitriding deal
     Electric Hard chrome plating layer
     High-frequency hardening
     Spray corrosion resistance, wear double-layer metal
     vacuum quenching