High Conductivity C51100 Phosphor Copper Alloy - China Suppliers & Factory for Electronics and Precision Machinery
| 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.
C51100 consists primarily of Copper (Cu ≥ 99.5% Rem), Tin (Sn 3.5 – 4.9%), and Phosphorus (P 0.03 – 0.35%), with trace amounts of Zinc (Zn ≤ 0.30%), Iron (Fe ≤ 0.10%), and Lead (Pb ≤ 0.05%).
It features a density of approximately 8.86 g/cm³, electrical conductivity of around 20% IACS, a melting point range of 970 – 1060°C, and an elastic modulus of approximately 110 GPa.
C51100 exhibits excellent elasticity recovery capability and a high elastic modulus, making it highly reliable for elastic components like springs and connector spring clips.
It provides stable performance and strong corrosion resistance in air, fresh water, and seawater environments.
It is widely used in electronic components (relay contacts, switch parts), precision machinery (gears, bearings, springs), and industrial equipment (wear-resistant sliding components and instrument parts).
This alloy offers excellent cold processing performance, good welding performance, and decent cutting performance.