Aluminium Bronze (UNS C61400)

Image of Aluminium Bronze C61400 bars

Aluminium bronze C61400 is a high-performance copper alloy renowned for its exceptional strength, corrosion resistance, and wear resistance. These properties make it an ideal choice for a wide range of industrial applications.

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Chemical Composition
ElementMinMax
Copper88.0%92.5%
Aluminum6.0%8.0%
Iron1.5%3.5%
Lead——0.01%
Manganese——1.0%
Phosphorus——0.015%
Zinc——0.2%
Residuals——0.5%

The following table provides a list of aluminium bronze C61400 properties in both SI and US customary/Imperial units.

Click on the button to switch between Metric and Imperial units.

Table of Aluminium Bronze C61400 Properties
Physical Properties
Metric
Density7890 kg/m3
Mechanical PropertiesMetric
Tensile Strength540 - 570 MPa
Yield Strength220 - 270 MPa
Shear Strength370 - 380 MPa
Young’s Modulus (E)117 GPa
Shear Modulus (G)44 GPa
Elongation at Break30 - 60%
Poisson’s Ratio (ν)0.34
Thermal PropertiesMetric
Melting Point1040 - 1046 °C
Thermal Conductivity67 W/m·K
Specific Heat Capacity (Cp)375 J/kg·K
Coefficient of Thermal Expansion (αL)1.62×10-5 1/°C
Electrical PropertiesMetric
Electrical Conductivity8.12×107 S/m
Electrical Resistivity1.23×10-7 Ω·m

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Aluminium Bronze C61400

AdvantagesDisadvantages
Excellent corrosion resistanceHigh cost
High strengthMachinability
Wear resistanceLimited Availability
Resistance to dezincificationSensitivity to certain environments

Applications of Aluminium Bronze C61400

Aluminium Bronze C61400 is a versatile alloy that finds numerous applications across various industries, including:

  • Marine equipment: Due to its excellent corrosion resistance in seawater and resistance to biofouling, it is commonly used in marine applications such as propellers, ship components, valves, pumps, and underwater fittings.
  • Aerospace industry: The high strength and corrosion resistance make it suitable for aerospace applications. Common uses include components like landing gear bushings, bearings, and helicopter rotor hubs.
  • Oil and gas industry: Widely used for components exposed to corrosive environments, such as valves, pumps, connectors, and offshore platform equipment.
  • Bearings and bushings: The combination of high strength and good wear resistance makes it suitable for bearings and bushings subjected to heavy loads and abrasive conditions. Common applications include industrial machinery, automotive components, and construction equipment.
  • Electrical connectors: The excellent electrical conductivity makes it suitable for electrical connectors and terminals, especially in applications where both electrical conductivity and corrosion resistance are required.
  • Heat exchangers: Good thermal conductivity and corrosion resistance make it suitable for heat exchangers used in various industries, including power generation, chemical processing, and HVAC systems.
  • Valve components: The corrosion resistance and excellent machinability make it a preferred choice for valve components, including valve bodies, stems, and seats.
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