Phospher Bronze (UNS C52100)

Image of Phospher Bronze C52100 bars

Phosphor Bronze C52100 is a type of bronze alloy that is primarily composed of copper with the addition of phosphorus as an alloying element. It is known for its excellent combination of strength, corrosion resistance, and electrical conductivity.

Chemical Composition
ElementMinMax
Copper90.5%92.8%
Iron——0.1%
Lead——0.05%
Phosphorus0.03%0.35%
Tin7.0%9.0%
Zinc——0.2%

The following table provides a list of bronze C52100 properties in both SI and US customary/Imperial units.

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

Table of Bronze C52100 Properties
Physical Properties
Metric
Density8800 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)380 - 960 MPa
Tensile Strength (Yield)160 - 550 MPa
Young’s Modulus (E)110 GPa
Shear Modulus (G)41 GPa
Poisson’s Ratio (ν)0.34
Thermal PropertiesMetric
Melting Point880 - 1025 °C
Thermal Conductivity62 W/m·K
Specific Heat Capacity (Cp)380 J/kg·K
Coefficient of Thermal Expansion (αL)1.82×10-5 1/°C
Electrical PropertiesMetric
Electrical Conductivity7.5×106 S/m
Electrical Resistivity1.33×10-7 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 Phospher Bronze C52100

AdvantagesDisadvantages
Excellent Strength and DurabilityHigh Cost
Good Corrosion ResistanceLimited Ductility
Good Wear Resistance

Applications of Phospher Bronze C52100

Phosphor Bronze C52100 has a wide range of applications due to its favorable combination of properties. Some common applications of Phosphor Bronze C52100 include:

  • Electrical Connectors: The alloy’s good electrical conductivity and corrosion resistance make it an excellent choice for electrical connectors, terminals, and sockets.
  • Springs and Fasteners: Phosphor Bronze C52100’s high strength, excellent fatigue resistance, and corrosion resistance make it well-suited for the manufacturing of springs, fasteners, and other components that require both strength and reliability.
  • Bushings and Bearings: The alloy’s wear resistance and low friction properties make it suitable for bushings and bearings used in various industries, including automotive, aerospace, and machinery.
  • Musical Instruments: Phosphor Bronze C52100 is commonly used in the production of musical instruments, particularly guitar strings. The alloy’s good tonal qualities, durability, and resistance to corrosion make it a popular choice among musicians.
  • Marine and Seawater Applications: Due to its high corrosion resistance, Phosphor Bronze C52100 finds applications in marine environments, such as shipbuilding, seawater pumps, valves, and other components exposed to saltwater.
  • Aerospace Applications: Phosphor Bronze C52100 can be found in aerospace applications, such as aircraft bushings, bearings, connectors, and electrical contacts, where its properties are valuable in demanding environments.
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