UNS C15000 copper alloy:
UNS C15000 alloy is a kind of copper alloy which has high conductivity combined with good elevated-temperature strength and deformation resistance.
UNS C15000 alloy is primarily used for resistance welding caps RWMA Class 1, sometimes used for Class 2 applications.

Chemical Compostion:
Cu: 99.80%          MIN
Zr:  0.1-0.2%        0.15% as normal.

Mechanical Properties:

Properties                                       Metric                                 Imperial
Tensile strength, ultimate              430 MPa                             62400 psi
Tensile strength, yield                   415 MPa                             60200 psi
Elongation at break (in 50 mm)      15.00%                               15.00%
Modulus of elasticity                      129 GPa                             18700 ksi
Machinability (C36000= 100%)        20%                                     20%

Available Size:

bars, rods/ round bars, pipes/ hollow bars, discs, square bars, hexagon bars, and shapes.