BS3332/D White Metal Bearing Alloy
Tin-Rich Bearing Alloy
BS3332/D white metal bearing alloy is a tin-rich white metal bearing alloy formulated to offer excellent wear resistance and mechanical strength for medium-duty bearing applications. With a high tin content balanced by copper and zinc, this alloy ensures dependable performance in various industrial settings. BS3332/D complies with the BS 3332:1987 standard for white metal bearing alloys.
Chemical Composition
| Element | Typical Range (%) |
|---|---|
| Tin (Sn) | 66.0 – 71.0 |
| Antimony (Sb) | Max 0.50 |
| Copper (Cu) | 1.0 – 2.0 |
| Lead (Pb) | Max 0.50 |
| Cadmium (Cd) | Max 0.05 |
| Arsenic (As) | Max 0.1 |
| Nickel (Ni) | None specified |
| Zinc (Zn) | Balance |
| Bismuth (Bi) | Max 0.08 |
| Iron (Fe) | Max 0.10 |
| Aluminium (Al) | Max 0.005 |
| Other Elements | Max 0.2 |
Technical Note: This alloy contains zinc as the balance element. Zinc can act as a contaminant to certain alloys, affecting their mechanical properties and corrosion resistance. Users working with zinc-sensitive alloys or in multi-alloy environments should take care to avoid cross-contamination during manufacturing or assembly.
Key Benefits
- Excellent wear resistance and mechanical strength
- High tin content optimised for medium-duty bearing use
- Balanced composition ensures reliable performance and durability
- Fully compliant with BS 3332:1987 chemical standards
Typical Applications
- Medium-duty plain bearings
- Industrial machinery with moderate loads
- Light engines and equipment bearings
- General purpose bearing surfaces requiring balanced wear properties
Why Choose DKL Metals’ BS3332/D Alloy?
DKL Metals supplies BS3332/D white metal bearing alloy manufactured to the highest standards with full traceability and quality assurance. Our UK-based production and technical expertise ensure consistent alloy quality and reliable supply for your bearing needs.
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