420 Stainless Steel balls offer good hardness and surface finish. It is generally used for all applications requiring resistance to corrosion from water, steam, air and gasoline. 420 is not recommended for applications requiring resistance to most chemical solutions. 420 is also magnetic. We are one of the few suppliers of 420 in millimeters.
Material Analysis
| Carbon | 0.28-0.36% |
| Chromium | 12.0-14.0% |
| Silicon | 0.8% Max. |
| Manganese | 1.0% Max. |
Mechanical Properties
| Tensile Strength | 92,000 psi |
| Specific Weight | 0.280 lbs/cubic inch |
| Hardness | HRc 52-55 |