Application Areas: GCr15 bearing steel balls are used for manufacturing high-quality cutting tools, such as scissors, nozzles, bearings, etc.
Characteristics: Among domestic stainless steel grades, 440C boasts high hardness. It is primarily used for manufacturing bearing components that operate in corrosive environments and under non-lubricated, strong oxidative atmospheres. 440C exhibits good high-temperature dimensional stability, thus it can also be used as a corrosion-resistant high-temperature bearing steel.
Grade: G10-G500
Hardness HRC: 58-61
Chemical Composition of 440C/440 Stainless Steel:
| C | Si | Mn | P | S | Cr |
| 0.95% --1.20% | 1.0% | 0.50% max | 0.025% max | 0.025% max | 16.0% --18.0% |
