R1-1 White Metal
High Performance Bearing Alloy
DKL Metals R1-1 White Metal is a premium bearing alloy designed to withstand high loads and surface speeds. It is ideal for high-performance internal combustion engines as well as heavily loaded applications such as steam engines and mining equipment. R1-1 fully complies with the requirements of BS 3332:1987 Alloy B, offering reliable and durable bearing performance.
Chemical Composition
| Element | Typical Percentage |
|---|---|
| Tin (Sn) | Balance |
| Antimony (Sb) | 7 – 8% |
| Copper (Cu) | 3 – 4% |
| Nickel (Ni) | 0.1 – 0.5% |
| Cadmium (Cd) | 0.8 – 1.2% |
| Silver (Ag) | 0.08 – 0.12% |
Usage Guidelines
- Stir melting pots during use to prevent copper crystal formation on the alloy surface.
- Cast within the temperature range of 390-410°C depending on pour size.
- Avoid overheating to maintain alloy performance and prevent quality issues.
- Rapid cooling enhances mechanical properties of the castings.
- Ensure adequate extraction, ventilation, and use appropriate PPE when handling molten metal.
Availability
Manufactured in the UK, R1-1 White Metal Bearing Alloy is available in 8kg ingots, 4kg feeders, or 1kg bars. All weights stated are approximate.
Health & Safety
This alloy contains cadmium. Avoid overheating and always wear PPE when handling. Refer to the material safety data sheets and warning labels before use.
Sustainability Commitment
R1-1 is a fully sustainable product. Bearing runout, turnings, and dross should be stored in containers provided by DKL Metals Ltd for collection and reprocessing by our parent company, Fenix Metals Ltd.
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