Twin Screw and Barrel Sets

Twin Screw and Barrel Sets

Twin Screws & Barrel Sets made of EN41B Aloy Steel and Nitrided with Ammonia gas. All type of Screws & Barrel of all type of designs in world can be provided for below sizes:

Item Min 0D/1D Max. OD/ID Min. Length Max.Length
Screws 50 mm 225 mm 600 mm 5000 mm
Barrel 50 mm 225 mm 600 mm 5000 mm

Screw and barrel Technical Parameter:

  • Nitriding Hardness : HV850-1000
  • Nitriding Depth : 0.45-0.7mm
  • Nitridng Brittleness: 2nd Level
  • Surface Roughness :
  • Screw Straightness : 0.015mm
  • Nitrided Chromium Coating Surface Hardness >= 900HV
  • Chromium Coating Thickness : 0.025-0.10mm
  • Duplex Alloy Hardness : HRC50-65
  • Duplex Alloy Depth : 0.8-2.0mm

Materials:

  • Quality EN 41 B equivalent to German Steel 41 CrAIMo7

Technologies:

  • Advanced Nitriding Technology
  • Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
  • Quality Powder Metallurgy Materials
  • Hard Metal Thermal Spraying Technology.

Production Capacity:

  • 30 sets/month

Packing:

  • wooden case