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Ball.Steel Ball SUJ2 Bearing Steel (High-Carbon Chrome Steel)
This is the best product for bearings with high hardness and wear resistance.
Evenly treated and high-quality chrome alloy steel to ensure optimal hardness and long service life.
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Production Range
1.588 mm-76.2 mm (76.2mm or bigger, customizable)
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Application
Bearings, Ball casters (Ball transfers), Ball mills, Automotive parts, Electronic parts, etc.
본문
Chemical Composition
| Symbol | Chemical Composition | ||||||
|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Hardness(HRC) | |
| SUJ2 | 0.95~1.10 | 0.15~0.35 | ≤ 0.5 | ≤ 0.025 | ≤ 0.025 | 1.3~1.6 | ≥ 58 |
Production Grade (Unit : ㎛)
| Grade | Name Application Range | Shape Precision and Roughness | Sectional Precision and Gauge | ||||
|---|---|---|---|---|---|---|---|
| Grade | Metric | Inch | Diameter Variance (VDWS) | Sphericity (Max) | Surface Roughness (Ra) | Variance in LOTs (VDWL) | Gauge Interval |
| 5 | 0.3 ~ 12 | 0.025 ~ ½ | 0.13 | 0.13 | 0.02 | 0.25 | 1 |
| 10 | 0.3 ~ 25 | 0.025 ~ 1 | 0.25 | 0.25 | 0.025 | 0.5 | 1 |
| 20 | 0.3 ~ 38 | 0.025 ~ 1½ | 0.5 | 0.5 | 0.04 | 1 | 2 |
| 40 | 0.3 ~ 5.0 | 0.025 ~ 2 | 1 | 1 | 0.08 | 2 | 4 |
| 100 | 0.3 ~ 65 | 0.025 ~ 4½ | 2.5 | 2.5 | 0.125 | 5 | 10 |
| 1000 | - | - | 25.4 | 25.4 | - | 50.8 | - |