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