Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat Treatment Machinability Welding Forging Hot Working Cold Working AnnealingApplications
Pure copper has high electrical and thermal conductivity. Alloys can be freely formed by copper. UNS C12000 copper has 95% IACS conductivity, low residual phosphorus, and high embrittlement resistance. It is available in the form of rod, tube, and wire.
The chemical composition of UNS C12000 copper is outlined in the following table.
The physical properties of UNS C12000 copper are tabulated below.
The following table shows mechanical properties of UNS C12000 copper.
|Tensile strength, ultimate
||221 - 393 MPa
||32100 - 57000 psi|
|Tensile strength, yield (depending on temper)
||69.0 - 365 MPa
||10000 - 52900 psi|
|Elongation at break ( in 101.6 mm (4 in.))
|Machinability (UNS C36000 (free-cutting brass) = 100%)
Other designations that are equivalent to UNS C12000 copper are listed in the following table.
Fabrication and Heat Treatment
The machinability rate of UNS C12000 copper is 20%
Brazing, gas shielded arc welding, oxyacetylene welding, soldering, and butt welding are the methods used for welding UNS C12000 copper. It is suggested that seam welding, coated metal arc welding, and spot welding are not used for welding this alloy.
Forging of UNS C12000 copper can be performed at a temperature of about 760 to 871°C (1400 to 1600°F). This alloy has good forgeability.
UNS C12000 copper has excellent hot working capacity.
UNS C12000 copper has good excellent cold working capacity.
Annealing of UNS C12000 copper can be performed at 372 to 649°C (700 to 1200°F).
UNS C12000 copper finds applications in bus bars and electromechanical hardware connectors.