C54400, also known as Phosphor Bronze 4% Tin, is a copper alloy celebrated for its excellent mechanical
properties, corrosion resistance, and wear resistance. This alloy is widely utilized in applications where
strength, durability, and electrical conductivity are essential.
Chemical Composition
C54400 is primarily composed of the following elements:
| Element |
Percentage (%) |
| Copper (Cu) |
90.0 - 93.0 |
| Tin (Sn) |
3.5 - 4.5 |
| Phosphorus (P) |
0.01 - 0.35 |
| Lead (Pb) |
≤ 0.05 |
| Zinc (Zn) |
≤ 0.30 |
| Others |
≤ 0.50 |
Mechanical Properties
C54400 exhibits excellent mechanical properties suitable for various demanding applications:
| Property |
Value |
| Tensile Strength |
450 - 690 MPa |
| Yield Strength |
170 - 620 MPa |
| Elongation |
5 - 20% |
| Hardness (Rockwell B) |
75 - 95 |
| Electrical Conductivity |
15 - 20% IACS (International Annealed Copper Standard) |
| Density |
8.90 g/cm³ |
Corresponding Country's Brand
C54400 is recognized under different brands in various countries. Here are some equivalents:
| Country |
Brand Name |
| USA |
Phosphor Bronze 4% Tin |
| UK |
- |
| Germany |
CuSn4P |
| Japan |
C5440 |
| China |
QSn4-4 |
Common Questions and Answers
1. What are the primary applications of C54400 in industry?
Answer: C54400 is commonly used in applications requiring high strength, corrosion
resistance, and wear resistance. It is often utilized in electrical connectors, springs, pump components,
and marine hardware.
2. Is C54400 suitable for electrical applications?
Answer: Yes, C54400 is suitable for electrical applications due to its excellent electrical
conductivity and corrosion resistance. It is commonly used in electrical connectors and components where
reliable conductivity and durability are required.
3. How does C54400 perform in marine environments?
Answer: C54400 performs well in marine environments due to its resistance to corrosion and
wear. It is used in marine hardware, pump components, and fittings where exposure to seawater and salt spray
is prevalent.
Summary Table
| Aspect |
Details |
| Chemical Composition |
Cu (90.0-93.0%), Sn (3.5-4.5%), P (0.01-0.35%), Pb (≤ 0.05%), Zn (≤ 0.30%), Others (≤
0.50%)
|
| Mechanical Properties |
Tensile Strength: 450-690 MPa, Yield Strength: 170-620 MPa, Elongation: 5-20%, Hardness: 75-95
Rockwell B, Electrical Conductivity: 15-20% IACS, Density: 8.90 g/cm³
|
| Country Brands |
USA: Phosphor Bronze 4% Tin, Germany: CuSn4P, Japan: C5440, China: QSn4-4 |
| Applications |
Electrical connectors, springs, pump components, marine hardware, applications requiring high
strength and corrosion resistance
|
C54400 Phosphor Bronze 4% Tin is a versatile copper alloy known for its excellent mechanical properties,
corrosion resistance, and electrical conductivity, making it suitable for a wide range of industrial
applications where reliability and performance are paramount.
