C54400 Copper Alloy - High Strength Tin-Phosphorus Bronze from China Suppliers and Factory
Chemical Composition
| Element | Content (%) |
|---|---|
| Copper (Cu) | Remainder |
| Tin (Sn) | 3.5 - 4.5 |
| Phosphorus (P) | 0.03 - 0.35 |
| Iron (Fe) | ≤ 0.10 |
| Lead (Pb) | ≤ 0.05 |
| Zinc (Zn) | ≤ 0.30 |
Physical Properties
| Project | Values |
|---|---|
| Density | 8.8 g/cm³ |
| Elastic Modulus | 110 – 120 GPa |
| Thermal Conductivity | 60 – 70 W/(m·K) |
| Melting Point Range | 900 – 1020 ℃ |
Main Performance Characteristics
Excellent Elasticity & Fatigue Resistance
C54400 exhibits excellent elasticity recovery capability, maintaining stable performance even under repeated stress conditions, making it highly suitable for manufacturing elastic components.
Excellent Wear Resistance
The material surface has high hardness and excellent friction performance, suitable for applications such as bearings and sliding parts.
Outstanding Corrosion Resistance
It has good corrosion resistance in various environments including air, seawater, and various industrial settings, ensuring a long service life.
Moderate Electrical Conductivity
Suitable for applications where electrical conductivity is not extremely demanding but mechanical performance also needs to be considered.
Application Fields
Frequently Asked Questions (FAQ)
Q: What is the primary chemical composition of C54400?
C54400 is a copper-based alloy with Copper (Cu) as the remainder. It contains 3.5% to 4.5% Tin (Sn) and 0.03% to 0.35% Phosphorus (P), along with trace elements of Iron, Lead, and Zinc.
Q: What are the key physical properties of this material?
It features a density of 8.8 g/cm³, an elastic modulus of 110–120 GPa, thermal conductivity of 60–70 W/(m·K), and a melting point range of 900–1020 ℃.
Q: Why is C54400 suitable for manufacturing springs and connectors?
Due to its excellent elasticity recovery capability and high fatigue resistance, C54400 maintains stable mechanical performance under repeated stress, making it ideal for precision elastic elements and connectors.
Q: How does C54400 perform in corrosive environments?
It offers outstanding corrosion resistance in air, seawater, and various industrial environments, which significantly extends the service life of components made from this material.
Q: What are the main applications of this alloy?
Key applications include electronic connectors, spring clips, terminals, switch/relay components, precision elastic elements, automobile parts, as well as bearings, bushings, and sliding parts.




