High conductivity C51100 phosphor copper
| Element | Content（%） |
| Cu | ≥ 99.5（Rem） |
| Sn | 3.5 – 4.9 |
| P | 0.03 – 0.35 |
| Zn | ≤ 0.30 |
| Fe | ≤ 0.10 |
| Pb | ≤ 0.05 |
| Item | Values |
| Density | Approximately 8.86 g/cm³ |
| Electrical Conductivity | Approximately 20% IACS |
| Melting Point | Approximately 970 – 1060°C |
| Elastic Modulus | ≈ 110 GPa |
C51100 exhibits excellent elasticity recovery capability, making it suitable for manufacturing elastic components such as springs.
Low friction coefficient and outstanding wear resistance, suitable for sliding parts.
Stable performance in air, fresh water, and seawater environments, with strong corrosion resistance.
Excellent cold processing performance, good welding performance, and decent cutting performance.
The C51100 is widely used in industries that have high requirements for elasticity, wear resistance, and reliability. For example, in the electronics and electrical industry, it is widely applied to connector spring clips, relay contacts, switch components, etc.; in the precision machinery industry, it is widely used in springs, gears, bearings, etc.; in the industrial equipment industry, it is applied to instrument parts (also known as "instrument copper"), wear-resistant sliding components, etc.