OTHER COPPER
Copper alloys are widely used in numerous applications due to their diverse properties. Here is an overview of several specific types of copper alloys, including Beryllium Copper, Chromium Copper, Cadmium Copper, Sulphur Copper, Arsenic Copper, Tellurium Copper, Zirconium Copper, and Commercial Copper.
BERYLLIUM COPPER (BeCu)
Composition:
- Copper (Cu): 99.90%
- Beryllium (Be):1.5-2%
- Cobalt (Co) or Nickel (Ni): 0.2-0.6%
Properties:
- High Strength: High tensile strength (up to 1400 MPa) after heat treatment.
- Conductivity: Good electrical and thermal conductivity.
- Corrosion Resistance: Excellent resistance to stress corrosion cracking.
- Non Magnetic: Suitable for non-magnetic environments.
- Applications: Springs, connectors, load cells, and non-sparking tools.
Standards:
CHROMIUM COPPER (CrCu)
Composition:
- Copper (Cu): 98.7-99.7%
- Chromium (Cr):0.5-1.2%
Properties:
- High Strength: Good hardness and strength after heat treatment.
- Conductivity: Excellent electrical conductivity (85-95% IACS).
- Corrosion Resistance: Good resistance to wear and corrosion.
- Applications:Electrical connectors, welding electrodes, and mold tooling.
Standards:
CADMIUM COPPER (CdCu)
Composition:
- Copper (Cu): 98.5-99.5%
- Cadmium (Cd):0.5-1.5%
Properties:
- Strength: Increased strength compared to pure copper.
- Conductivity:High electrical conductivity (up to 93% IACS).
- Wear Resistance:Enhanced wear resistance.
- Applications:Electrical conductors, trolley wires, and contact wires.
Standards:
SULPHUR COPPER (CdCu)
Composition:
- Copper (Cu): 99.3-99.8%
- Sulphur (S):0.2-0.7%
Properties:
- Machinability:Improved machinability due to sulfur content.
- Conductivity:Good electrical conductivity.
- Applications:Machined electrical components, fasteners, and fittings
Standards:
ARSENIC COPPER (Cu-As)
Composition:
- Copper (Cu): 99.2-99.7%
- Arsenic (S):0.2-0.5%
Properties:
- Corrosion Resistance:Enhanced resistance to dezincification and corrosion.
- Strength:Improved mechanical properties.
- Applications:Condenser tubes, boiler plates, and plumbing fixtures.
Standards:
TELLURIUM COPPER (TeCu)
Composition:
- Copper (Cu): 99.5-99.7%
- Arsenic (S):0.4-0.7%
Properties:
- Machinability:Excellent machinability.
- Conductivity: Good electrical conductivity (90-95% IACS).
- Applications:Machined parts, electrical connectors, and welding electrodes
Standards:
ZIRCONIUM COPPER (ZrCu)
Composition:
- Copper (Cu): 99.8-99.9%
- Zirconium (Zr):0.1-0.2%
Properties:
- High Conductivity: Excellent electrical and thermal conductivity.
- Strength: Good strength and hardness.
- Applications:Resistance welding electrodes, electrical contacts, and switchgear components.
Standards:
COMMERCIAL COPPER
Composition:
- Copper (Cu): Typically 99.9% minimum purity
Properties:
- Conductivity: Very high electrical and thermal conductivity.
- Ductility: Excellent ductility, making it easy to work with.
- Corrosion Resistance: Good resistance to corrosion.
- Applications: Plumbing, electrical wiring, roofing, and industrial equipment.
Standards:
