C54400 CuSn4Pb4Zn4 Phosphor Bronze
C54400 (CuSn4Pb4Zn4) : containing 4% tin, 4% lead and 4% zinc, with good machinability and wear resistance, suitable for bearings, gears and other mechanical parts.
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 |
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.
