| Model: | - |
|---|---|
| Brand: | Zhongyang |
| Origin: | Made In China |
| Category: | Industrial Supplies / Rubber & Plastics Machine |
| Label: | screw and barrel , pvc/pe/abs process , injection assembly |
| Price: |
US $1
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:09 Jun, 2015 |
Main Base materials
1.38CrMoAlA (Nitriding Steel)
2. SKD-61 (Special Tool Steel)
3. 42CrMo (Ultrahigh Strength Steel)
4. DC53 (Cold Work Die Steel)
5. W6Mo5Cr4V2 (High-Speed Tool Steel)
6. HPT
Main Alloy Materials
1. Ni-based alloy/Deloro alloy
2. Tungsten carbide/Wolfram carbide
3. NiCo-based alloy
4. Fe-based alloy
5. Co-based alloy
Processing Technics
1. Heat treatment
2. Quenching
3. Nitriding treatment
4. Bimetallic alloy welding
5. Bimetallic alloy centrifugal casting
6. Hard-chrome electroplating
Technical parameters
Nitriding layer depth: 0.5-0.8mm
Nitrided hardness: HRC56-58
Nitrided brittleness: Less than grade 1
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness: ≥HRC57
Chrome-plating layer depth: 0.03-0.09mm
Bimetallic layer depth: 3 mm
Bimetallic layer hardness: HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.
