Wear-resistant and Corrosion-resistant Screw for Optical Field
Technical Specifications
| Product Material |
440C Upgrade |
| Material Origin |
Japan |
| Main Components |
Cr, Mo, V, etc. |
| Material Characteristics |
The material undergoes high-temperature quenching, high-temperature tempering, and tail end high-temperature annealing softening treatment. The surface finish is excellent. |
| Heat Treatment Process |
Quenching in vacuum at 1020-1050°C, followed by 550-570°C high-temperature tempering for more than three times. The tail undergoes high-temperature annealing softening treatment.
- Hardness: HRC 48-52
- Surface water electroplated with chromium plating
- Surface hardness: HRC 62-65
- Single-sided thickness: 0.03-0.05mm
- Excellent surface glossiness
|
| Manufacturing Procedure |
- Rough turning
- Heat treatment
- CNC thread grinding
- Lathe finish
- CNC milling
- Grinding
- Polishing
- Electroplating
- Polishing
- Quality Control
- Packaging
|
| Quality Control Process |
- Heat treatment indicators inspection
- Inspection of each machining process
- Inspection of finished products
|
| Application Range |
GF less than 15% of low-acid plastic pellets, such as PC, PMMA, transparency and fireproof materials, etc. |