Bronze Alloy CuSn8 / CW453K
The CuSn8 (CW453K) bronze alloy is a high-quality tin bronze known for its excellent wear resistance, strength, and elasticity. Due to its high tin content, this material features improved anti-friction properties and enhanced corrosion resistance.
Key Material Characteristics
- High strength and wear resistance – withstands intense mechanical loads
- Good anti-friction properties – ensures a low coefficient of friction
- Corrosion resistance – performs well in aggressive environments, including seawater
- Good elasticity – suitable for spring elements and contact parts
- Excellent machinability – easily processed by mechanical machining
Applications
- Sliding bearings – used in parts operating under heavy conditions
- Bushings and gears – suitable for mechanisms with increased friction levels
- Various elastic elements – contacts, membranes, springs
- Automotive and shipbuilding industries – components working in demanding conditions
- Mechanical engineering – parts of highly loaded assemblies
Chemical Composition
| Element | Content, % |
|---|---|
| Copper (Cu) | Balance |
| Tin (Sn) | 7.5-8.5 |
| Phosphorus (P) | 0.03-0.35 |
| Iron (Fe) | ≤ 0.05 |
| Nickel (Ni) | ≤ 0.20 |
Thanks to its tin and phosphorus content, this material offers high hardness and enhanced wear resistance.
Mechanical Properties
- Yield strength: ≥ 300 MPa
- Tensile strength: 450-600 MPa
- Elongation: ≥ 10%
- Hardness: 120-180 HB
- Coefficient of friction: Low
Advantages of CuSn8 / CW453K Bronze Alloy
✅ High wear resistance – a durable material for heavy-duty applications
✅ Anti-friction properties – reduces friction and increases efficiency in mechanisms
✅ Corrosion resistance – ideal for humid and aggressive environments
✅ Excellent machinability – easy to process by turning, milling, and stamping
✅ Flexibility and elasticity – suitable for manufacturing spring-loaded components
The CuSn8 (CW453K) bronze alloy is an ideal material for applications requiring a combination of strength, durability, and anti-friction properties.
Delivery Forms CuSn8 / CW 453 K Bronze Alloy
| bronze alloy CuSn8 / CW 453 K | tape, strip, rod, pipe, wire |



