| 420C（4Cr13）Stainless Steel Balls
420C (4Cr13) stainless steel balls are widely used in products such as automotive parts, cleaning
machines, stamped bearings, joints, and other products requiring good sealing performance. They have a hardness of HRC52°--55°. They are magnetic, have moderate corrosion resistance, and pass salt spray testing for 48 hours without rusting in water with a salt content of 5%.
Available precision grades: G10—G200 Specifications: 1.5mm—60mm
Chemical Composition Grade | C | Si | Mn | P≤ | S≤ | Ni③ | Cr | Mo③ | 420C | ≤0.36～0.45 | ≤0.60 | ≤0.80 | 0.035 | 0.03 | ≤0.60 | 12～14 | —— |
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