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SBF 2218 is a copper-carbon bearing sintered steel material per JIS Z 2550. Combined copper and carbon provide enhanced strength for bearing applications.
| Element | Content |
|---|---|
| Fe | Balance |
| C | 0.3–0.6% |
| Cu | 1–5% |
| Other | — |
| Property | Value |
|---|---|
| Density | 6.2–6.6 g/cm³ |
| Hardness | HRH 70–90 |
| Radial Crushing Strength K | ≥ 280 N/mm² |
Comparable Standards: ISO 5755 P2022Z / DIN SINT-B11.
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