Sigma-Aldrich
Copper-O.F.H.C.
Copper-chromium-zirconium alloy, Cu98.9Cr1.0Zr0.1
Copper-silicon alloy, Cu85Si15
Copper-tellurium alloy, Cu99.5Te0.5
Copper-titanium alloy, Cu70Ti30
Copper-zirconium alloy, Cu70Zr30
Copper/Beryllium