Copper Alloy Fastener Materials

Copper Alloy Materials and Grades

At BW Industrial Sales, we're committed to delivering exceptional materials to cater to your fastening needs. One crucial material in our extensive collection is Copper Alloys. Known for their exceptional corrosion resistance and excellent conductivity, copper alloys make reliable fasteners. We offer a broad range of copper alloy grades to suit your unique project requirements.


Why Choose Copper Alloy Fasteners?


Corrosion Resistance: Copper alloys withstand various corrosive environments, prolonging the lifespan of your fasteners.

Superior Conductivity: Famous for their outstanding electrical and thermal conductivity, copper alloys are perfect for applications demanding these properties.

Aesthetic Appeal: The unique lustrous color of copper can provide a decorative touch to your projects.


Copper Alloy Grades and Applications

Here are some of the common copper alloy grades and their uses:

  • C10100: Also known as Oxygen-Free Electronic (OFE). This is the purest grade of oxygen-free copper. It contains no residual volatile impurities or oxide. Ideal for applications demanding high conductivity.
  • C11000: Known as Electrolytic-Tough-Pitch (ETP), this alloy combines excellent conductivity with good corrosion resistance, solderability, and formability.
  • C17200: Commonly known as Beryllium Copper, it is the most commonly utilized Copper Beryllium alloy and is notable for its highest strength and hardness compared to commercial copper alloys.
  • C26000: Also known as "cartridge brass". It has good strength and rigidity. This alloy is used for ammunition cases, fasteners, radiator cores and tanks, decorative parts, and musical instruments.
  • C36000: Known as "free cutting brass". It is the most machinable brass and is used extensively in the manufacturing of precision components.

Specialty Copper Alloys

Certain projects require specialty copper alloys, renowned for their unique properties:


Tellurium Copper (C14500): Known for its high machinability, making it perfect for applications where extensive machining is required, such as electrical connectors.

Nickel Silver (C74500): Despite its name, this alloy contains no silver but is named for its silver-like appearance. It's known for its corrosion resistance, making it ideal for decorative purposes and musical instruments.

Aluminum Bronze (C95400): One of the strongest and most resistant of the copper alloys, it's perfect for heavy-duty applications like gears, valves, and pump components.

Silicon Bronze (C65500): Known for its excellent resistance to a variety of corrosive environments, and its strength, making it perfect for fasteners, marine hardware, and power utilities.


Copper Alloys: Exceptional Durability and Versatility

Copper alloys are celebrated for their corrosion resistance, thermal and electrical conductivity, as well as their aesthetic appeal. The following are some of the most widely used copper alloys, along with their individual properties and applications:

  • Chromium Copper: Heat-treatable and combines high electrical conductivity with high strength. Ideal for electrical and electronic applications, welding electrodes, and heat exchangers.
  • Copper Nickel: Shows high resistance to seawater and marine biofouling, making it a top pick for marine applications, such as propellers, heat exchangers, and condensers.
  • Beryllium Copper: Boasts the highest strength among all copper alloys, along with excellent electrical conductivity, high fatigue resistance, and good corrosion resistance. Perfect for aerospace, defense, and electronic applications.
  • Brass: Typically composed of copper and zinc, it is widely used for plumbing fixtures, decorative hardware, and musical instruments.
  • Aluminium Bronze: Offers optimal wear and abrasive resistance and is commonly used in marine applications, such as propellers, pumps, and valves.
  • Nickel Aluminium Bronze: Renowned for its high strength and corrosion resistance. It is extensively used in marine applications like propellers, pumps, and valves.
  • Silicon Aluminium Bronze: Known for its strength, corrosion resistance, and impact strength. Ideal for marine and aerospace applications.
  • Phosphor Bronze: Great for electrical and electronic applications, such as switches and connectors.
  • Silicon Bronze: Best suited for marine industry applications. It's also commonly used in architectural and decorative applications.
  • Manganese Bronze: Perfect for high load, low-speed applications, and is typically used in marine and industrial applications.
  • Tin Bronze: Ideal for bearings, bushings, and gears, offering a combination of outstanding wear characteristics and high bearing strength.

Properties of Copper Alloys

Copper alloys are renowned for their diverse properties:


Excellent Machinability: Certain types of copper alloys, such as brasses, are easy to machine and can be molded into precise shapes.

Superb Heat Conductivity: Copper alloys are excellent conductors of heat, making them ideal for heat exchanger tubes and other applications involving heat transfer.

Strong Corrosion Resistance: The corrosion resistance of copper alloys is especially valuable in marine environments where the saltwater can cause significant damage to metals.

Aesthetic Appeal: The unique coloration of copper and its alloys adds an artistic element to finished products, making it a favorite for decorative and architectural uses.


Contact Us

At BW Industrial Sales, we're devoted to supplying the finest materials for your fastener requirements. If you have questions or need additional assistance in choosing the right copper alloy fasteners for your project, please don't hesitate to

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