Zhoushan Jia Long Screw Manufacture Co., Ltd.
Main products:Screw
Products
Contact Us
  • Contact Person : Ms. Pan Chris
  • Company Name : Zhoushan Jia Long Screw Manufacture Co., Ltd.
  • Tel : 86-580-8051789 8056138
  • Fax : 86-580-8056128
  • Address : Zhejiang,zhoushan,Daguan community,,jintang town,Dis.Dinghai,Zhoushan City, China
  • Country/Region : China

conical twin screw and barrel

conical twin screw and barrel
Product Detailed
conical twin screw and barrel with high quality alloy steel 1)38CrMoAlA 2)42CrMo 3)9Cr18Mo 4)Nitriding treatment

The bimetallic parallel twin screw and barrel for many kinds of plastic extruder in many specifications.

Abrasion resistant and corrosion resistant

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

Nitriding hardness:900-1000HV

Nitriding brittleness:Less than grade 1

Surface roughtness: Ra0.4

conical twin screw and barrel



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