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420C stainless steel ball is a kind of high carbon martensitic stainless steel ball, which is widely used in various precision equipment and high load environment because of its high hardness, excellent wear resistance and good corrosion resistance. Through quenching and tempering, 420C stainless steel balls can achieve extremely high hardness, making them ideal for bearings, valves, aerospace parts, and other high-performance mechanical equipment.
| Material Composition | C | Si | Mn | P | S | Ni | Cr | Mo |
| 0.36 - 0.45 | ≤ 0.60 | ≤ 0.8 | ≤ 0.035 | ≤ 0.03 | ≤ 0.6 | 12.0 - 14.0 | ||
| Technical Data | Hardness | HRC 56-60 | ||||||
| Tensile Strength | ≥ 700 MPa | |||||||
| Density | 7.75 g/cm³ | |||||||
| Corrosion Resistance | It shows good corrosion resistance in general atmosphere and fresh water environment, and is suitable for mild corrosive environment. | |||||||
| Grade | G10 - G1000 | |||||||
| Size Range | 1mm - 250mm | |||||||
