C15000 Zirconium Copper

The following data is provided for informational purposes only. It was provided with permission by the Copper Development Association at www.copper.org.

Last Update: Jan 10, 2007

Chemical Composition (%max., unless shown as range or min.)

Cu(1) Zr
Min./Max. 99.80 min .10–.20
Nominal .15

(1) Cu value includes Ag.
Note: Cu + Sum of Named Elements, 99.9% min.

Applicable Specifications

Product Specification
Rod SAE J463, J461

Common Fabrication Processes
Bending, Hot Forging, Machining, Heading, Swaging

Fabrication Properties

Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Machinability Rating 20

Physical Properties

US Customary Metric
Melting Point – Liquidus 1976 F 1080 C
Melting Point – Solidus 1796 F 980 C
Density 0.321 lb/in3 at 68 F 8.89 gm/cm3 @ 20 C
Specific Gravity 8.89 8.89
Electrical Resistivity 11.2 ohms–cmil/ft @ 68 F 1.86 microhm–cm @ 20 C
Electrical Conductivity* 93% IACS @ 68 F 0.544 MegaSiemens/cm @ 20 C
Thermal Conductivity 212.0 Btu · ft/(hr · ft2·oF)at 68F 366.9 W/m · oK at 20 C
Coefficient of Thermal Expansion 9.4 ·10–6 per oF (68–212 F) 16.9 ·10–6 per oC (20–100 C)
Coefficient of Thermal Expansion 9.8 ·10–6 per oF (68–572 F) 17.6 ·10–6 per oC (20–300 C)
Specific Heat Capacity 0.092 Btu/lb/oF at 68 F 393.5 J/kg · oK at 293 K
Modulas of Elasticity in Tension 18700 ksi 129000 MPa

*Solution annealed, 84% cold worked and aged.

Tempers Most Commonly Used

ROD H01, O61, OTHER, TB00, TD01, TH01
WIRE H01, O61, OTHER, TB00, TD01, TH01

Typical Uses

Pencil–type & Light Soldering Guns: Tips, Rod Extensions

Switches, Commutators, Resistance Welding Electrodes, Circuit Breaker Switches, Stud Bases for Power Transmitters & Rectifiers

Resistance Welding Tips, Welding Wheels, Connectors, Solderless Wrapped