Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

C15000 Zirconium Copper


Form: Wire, Strip, Bar, Sheet, Plate, Shapes



Chemical Composition:

Zr: 0.10-0.20%
Cu+Ag: min.99.8%
Note: Copper plus additions equal 99.90% minimum.


Typical Physical Properties:
Density at 68°F: 0.321 Lbs./In.3
Specific Gravity: 8.89
Melting Point (Liquidus): 
1080°C (1976°F)

                          (Solidus): 980°C (1796°F) 
Coefficient of Thermal Expansion per °F: 

9.4 x 10-6 (68-212°F)
9.8 x 10-6 (68-572°F)
11.2 x 10-6 (68-1200°F)

Electrical Conductivity at 68°F (volumetric):

85-95% IACS (aged and drawn)
55-72% IACS (solution annealed)

Thermal Conductivity Btu/ft.2/ft./hr./°F at 68°F: 212
Modulus of Elasticity - Tension: 18,700 ksi

1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.

International Specification:

Rods/Bars/Plates/Sheets: UNS.C15000, RWMA Class 1, SAE J461,463; ISO5182-1991

European Standards: CuZr, DIN 2.1580, CW120C to EN