
Application Areas: 420 stainless steel is suitable for various precision machinery, bearings, electrical equipment, transportation tools, household appliances, etc. It is commonly used to manufacture parts that are resistant to atmospheric, steam, water, and oxidizing acid corrosion.
Features: Representing Martensitic steel, commonly known as stainless iron, it is magnetic and possesses good rust resistance.
Grade: G10-G500
Hardness HRC: 50-55
Chemical composition of 420 stainless steel:
| C | Si | Mn | P | S | Cr |
| 0.3% --0.4% | 1.0% max | 1.0% max | 0.04% max | 0.03% max | 16.0% --18.0% |































