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The chromium steel ball, also known as the bearing steel ball, is characterized by higher and uniform hardness, wear resistance, elasticity, and limit. The chemical composition of the bearing steel must be uniform, with strict requirements for the content and distribution of non-metallic inclusions and carbide distribution. Bearing steel is magnetic ferrite type steel that is packaged in an oily packaging. It can reach a hardness of HRC62-65 degrees and exhibits better wear resistance with a mirror-like surface effect. The color is chrome; however, it cannot be welded.
| Material Composition | C | Si | Mn | Cr | Mo | P | S | Ni | Cu | Ni+Cu |
| 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.4~1.65 | ≤0.1 | ≤0.025 | ≤0.025 | ≤0.3 | ≤0.25 | ≤0.5 | |
| Technical Data | Hardness | HRC62-65 | ||||||||
| Tensile Strength | 485 MPa to 620 MPa | |||||||||
| Density | 7.85 g/cm³ | |||||||||
| Corrosion Resistance | After surface anti-rust treatment, chromium steel balls show good corrosion resistance in conventional atmospheric environment. | |||||||||
| Grade | G10-G1000 | |||||||||
| Size Range | 1mm - 250mm | |||||||||
