Micro Structure
Material No. UNS System (ASTM): C15000
Chemical Composition
| Element | ||
|---|---|---|
| Cu(1,2) | Zr | |
| Min (%) | 0.1 | |
| Max (%) | Rem | 0.2 |
- Cu value includes Ag.
- Cu + Sum of Named Elements 99.9% min.
Mechanical Properties
| Form | Tensile Strength In Mpa | Elongation In % | Rockwell Hardness in F Scale-HRF | Electrical Conductivity-IACS |
|---|---|---|---|---|
| Rod | >240 | >10 | 40 - 90 | >90% IACS. |
| Flat | >240 | >10 | 40 - 90 | >90% IACS. |
| Ring | 325 – 385 | >11 | >85 | >85% IACS. |
Physical Properties
| Melting Point – Liquidus °C | 1080 |
| Melting Point – Solidus °C | 980 |
| Density lb/cu in. at 20°C | 0.321 |
| Specific Gravity | 8.89 |
| Electrical Conductivity% IACS at 20°C | 90(1) |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °C at 20°C | 212 |
| Coefficient of Thermal Expansion 20-100 10⁻⁶ per °C (20 – 100°C) | 9.4 |
| Coefficient of Thermal Expansion 20-300 10⁻⁶ per °C (20 – 300°C) | 9.8 |
| Specific Heat Capacity Btu/ lb /°C at 20°C | 0.092 |
| Modulus of Elasticity in Tension ksi | 18700 |
| (1) Solution annealed, 84% cold worked and aged. | |
Thermal Properties
| Treatment | Minimum* | Maximum* | Value* | Time** | Medium |
|---|---|---|---|---|---|
| Solution Treatment | 899 | 927 | 0.3 | Water | |
| Precipitation Treatment | 527 | 2 | Water | ||
| Hot Treatment | 899 | 949 | |||
| * Temperature is Measured in Celsius. ** Time is Measured in Minutes. |
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Fabrication Properties
| Technique | Stability |
|---|---|
| Brazing | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Excellent |
| Coated Metal Arc Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Machinability Rating | 20 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Not Recommended |
| Soldering | Excellent |
| Spot Weld | Not Recommended |
General Fabrication Processes
- Bending
- Cold working
- Drawing
- Extruding
- Forging
- Hot working
- Impacting
- Ring Rolling
- Machining
Applicable Form
| Form | Description |
|---|---|
| Rod | Hot Extruded & Cold Drawn Copper Rod |
| Flat | Hot Extruded & Cold Drawn Copper |
| Wheel | Forged & Machined |
| Ring | Forged, Rolled & Machined |
Typical Uses / Application
| Product Category | Product | Reason |
|---|---|---|
| Electrical | Resistance welding electrodes | Electrical Conductivity, Thermal Conductivity, Heat Treatable |
| Switches | Electrical Conductivity, Thermal Conductivity, Corrosion Resistance | |
| Industrial | Connectors, Solderless Wrapped | Electrical Conductivity, Thermal Conductivity, Retains Strength at High Temperatures |
| Resistance Welding Tips | Electrical Conductivity, Thermal Conductivity, Retains Strength at High Temperatures, Corrosion Resistance | |
| Welding Wheels | Electrical Conductivity, Thermal Conductivity, Corrosion Resistance, Retains Strength at High Tempera | |
| Short Circuit Ring | Electrical Conductivity, Thermal Conductivity, Retains Strength at High Temperatures |
Other Products
-
Copper Berylium
Alloy Grade - CuBe -
Copper Chromium
Alloy Grade - CuCr -
Copper Chromium Zirconium
Alloy Grade - CuCrZr -
Copper – ETP
Alloy Grade - Cu-ETP -
Copper – HCP
Alloy Grade - Cu-HCP -
Copper Nickel
Alloy Grade - CuNi -
Copper Zirconium
Alloy Grade - CuZr -
Silver Bearing Copper
Alloy Grade - CuAg -
Silicon Bronze
Alloy Grade - CuNi2Si
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