Bronze

Bronze is a metal alloy primarily composed of copper, with the addition of other elements such as tin, aluminum, lead, or zinc. The specific composition of bronze can vary, leading to different types of bronze alloys with unique properties.

We stock these grades of Bronze:

  • 932 Bearing Bronze (Bars, Tube)
  • 954 Aluminum Bronze (Bars, Tube)
  • 959 Aluminum Bronze (Bars, Tube)
  • 863*

*Grade available upon request.

BRONZE AT A GLANCE

Properties
  • Color: Bronze has a characteristic reddish-brown or golden color.
  • Strength: Bronze is known for its strength, making it suitable for various structural and decorative applications.
  • Corrosion Resistance: Bronze exhibits good corrosion resistance, and certain alloys are particularly resistant to seawater corrosion.
  • Ductility: Bronze is ductile, allowing it to be drawn into thin wires.
  • Malleability: It is also malleable, making it suitable for casting into intricate shapes.
Types of Bronze
  • Phosphor Bronze: Contains phosphorus as an alloying element, enhancing strength and wear resistance. It is commonly used in springs and electrical contacts.
  • Aluminum Bronze: Contains aluminum, which improves corrosion resistance and strength. It is used in marine applications.
  • Silicon Bronze: Contains silicon, providing increased fluidity during casting. It is used in artistic applications and sculpture.
Composition
  • Copper Content: Bronze is predominantly composed of copper, typically ranging from around 60% to 90%.
  • Tin Content: Tin is a common alloying element in bronze, and its percentage can vary depending on the desired properties. Tin content is often in the range of 10% to 30%.
  • Other Alloying Elements: Depending on the application, other elements like aluminum, lead, or zinc may be added to achieve specific characteristics.
Applications
  • Art and Sculpture: Bronze has a long history of use in art and sculpture due to its malleability and ability to hold fine details.
  • Musical Instruments: Some musical instruments, like cymbals and certain parts of brass instruments, are made from bronze.
  • Bearings and Bushings: Bronze alloys are used for bearings and bushings due to their low friction and wear resistance.
  • Coins: Historical coins were often made from bronze due to its durability.
  • Marine Applications: Certain bronze alloys, such as aluminum bronze, are used in marine environments due to their corrosion resistance.
Finishes
  • Patina: Similar to brass, bronze develops a natural patina over time, which can enhance its appearance and protect it from further corrosion.
  • Polishing: Bronze can be polished to achieve a shiny and reflective surface.
Historical Significance

Bronze Age: The Bronze Age, a historical period characterized by the widespread use of bronze tools and artifacts, marked a significant advancement in human civilization.