Applications
- Surgical instruments.
- Parts of pumps.
- Machinery parts for the food industry.
- Cutlery.
- Plastic molds.
- Valve parts.
- Gears and shafts.
Characteristics:
- Martensitic stainless steel, resistant to atmospheric corrosion, fresh water, mine water, steam, and other similar corrosive media.
- With which better wear resistance and higher hardness can be achieved with conventional heat treatment.
- It is ferromagnetic.
- It has medium machinability due to the high carbon content.
Chemical Composition
| Variant | %C | %Si | %Mn | %P | %S | %Cr |
|---|---|---|---|---|---|---|
| 420 | 0.26 - 0.35 | 1.00 MAX | 1.00 MAX | 0.040 MAX | 0.030 MAX | 12.00 - 14.00 |