Material
Copper
Copper is a highly conductive engineering metal used in electrical, thermal, and industrial applications. Its excellent electrical and thermal conductivity, corrosion resistance, and formability make it suitable for CNC machining, sheet metal fabrication, busbars, heat exchangers, electrical contacts, and precision components.
Material overview
Copper is widely selected for manufacturing projects where efficient electrical current transmission, heat transfer, or reliable material performance is essential. Its relatively high ductility supports forming operations, although pure copper can be challenging to machine due to its tendency to produce continuous chips and adhere to cutting tools.
Common copper grades include:
- C10100 / Cu-OFE: Oxygen-free electronic copper for applications requiring high purity and electrical conductivity.
- C11000 / Cu-ETP: Electrolytic tough pitch copper commonly used for busbars, electrical terminals, and conductive components.
- C12200 / Cu-DHP: Phosphorus-deoxidized copper frequently selected for tubing, heat exchangers, and brazed assemblies.
Copper components can be manufactured through CNC milling, turning, laser cutting with suitable equipment, waterjet cutting, stamping, bending, and forming.
Typical applications include electrical busbars, power distribution equipment, heat sinks, industrial connectors, transformer components, and thermal management systems.
When requesting a quotation, buyers should specify the copper grade, conductivity requirements, dimensions, tolerances, surface finish, and production quantity. Electrical applications may require conductivity verification, while critical components may require material traceability and dimensional inspection.
Surface treatments can include tin plating, nickel plating, silver plating, polishing, and protective coatings. Coating selection should consider electrical contact resistance, oxidation protection, and service conditions.
Metraxio helps buyers submit copper manufacturing RFQs with clearly defined material, dimensional, electrical, and inspection requirements.