Twin alloy screw

The special imported alloy powder is sprayed on the screw surface evenly by hot melt spraying.
Processing range: Φ 22mm- Φ 300mm
Screw base material: PM45
Material preparation time: 48 hours
Quenching and tempering hardness: hrc30
Alloy composition: Fe + Ni + Cu + Mo + W + Cr
Alloy hardness: 0.8-2.0 mm
Screw straightness: 0.015mm/m
Surface finish: ra0.6um
Suitable for production of Plastics: corrosive, abrasion, glass fiber content of 25% - 45% (GF), LCP, PA, PC, PBT, PP, pet, PA66, PEK and halogen-free materials.
Product description
PM45 iron based hardening layer material
Highest wear resistance and excellent corrosion resistance
Room temperature: 56hrc minimum
Main alloy composition: V, CR
Microstructure: Martensitic iron base alloy with primary vanadium carbide {VC} precipitate and Cr ₇ C ₃ chromium carbide