Micro Structure
Material No. UNS System (ASTM): C18150
Chemical Composition
| Element | |||
|---|---|---|---|
| Cu(1,2) | Cr | Zr | |
| Min (%) | 0.5 | 0.03 | |
| Max (%) | Rem | 1.5 | 0.3 |
- Cu + Sum of Named Elements 99.7% min.
- Cu value includes Ag.
Mechanical Properties
| Form | Tensile Strength In Mpa | Elongation In % | Rockwell Hardness in B Scale-HRB |
|---|---|---|---|
| Rod | >360 | >10 | >68 |
| Flat Products | >360 | >10 | >68 |
| SC Ring | >360 | >15 | >65 |
| Wheel | - | - | >68 |
| Tube | - | - | >68 |
| Block | - | - | >68 |
Physical Properties
| Melting Point – Liquidus °C | 1080 |
| Melting Point – Solidus °C | 1070 |
| Density lb/cu in. at 20°C | 0.321 |
| Specific Gravity | 8.89 |
| Electrical Conductivity% IACS at 20°C | 80 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 20°C | 187 |
| Coefficient of Thermal Expansion 20-100 10⁻⁶ per °F (20 – 100°F) | 9.5 |
| Modulus of Elasticity in Tension ksi | 17000 |
Thermal Properties
| Treatment | Minimum* | Maximum* | Value* | Time** | |
|---|---|---|---|---|---|
| Solution Treatment | 0.5 | ||||
| Precipitation Treatment | 427 | 3 | |||
| Annealing | 982 | 1010 | |||
| Hot Treatment | 815 | 927 | |||
| * Temperature is measured in Celsius. ** Time is measured in minutes. | |||||
Fabrication Properties
| Technique | Stability |
|---|---|
| Machinability Rating | 20 |
General Fabrication Processes
- Forging
- Extruding
- Drawing
- Cold working
- Hot working
- Impacting
- Ring Rolling
- Bending
- Machining
Applicable Form
| Form | Description |
|---|---|
| Rod | Hot Extruded & Cold Drawn Copper Rod |
| Flat | Hot Extruded & Cold Drawn Copper (Bar, Strips) |
| Profile | Hot Extruded & Cold Drawn Copper Cut to length |
| Wheel | Forged and Machined |
| Tube | Hot Extruded Tube & Machined |
| Block | Forged and Machined |
| Ring | Forged, Rolled and Machined |
Typical Uses / Application
| Product Category | Product | Reason |
|---|---|---|
| Electrical | Connectors | Electrical Connectors Electrical Conductivity, Moderate Strength, Thermal Conductivity |
| Contacts | Electrical Conductivity, Moderate Strength, Thermal Conductivity | |
| Electric Motor and Generator Components | Electrical Conductivity, Thermal Conductivity | |
| Electrical Conductors Requiring Greater Strength than Copper | Electrical Conductivity, Moderate Strength | |
| Electrical Connectors | Electrical Conductivity, Thermal Conductivity, Heat Treatable, Moderate Strength | |
| Electron Tube Grid Side Rods | Electrical Conductivity, Moderate Strength, Retains Strength at High Temperatures | |
| Parts for Electronic Devices | Electrical Conductivity, Moderate Strength, Thermal Conductivity | |
| Semi-Conductor Bases | Electrical Conductivity, Moderate Strength | |
| Switch Contacts | Electrical Conductivity, Thermal Conductivity | |
| Switch Gears | Electrical Conductivity, Moderate Strength, Thermal Conductivity | |
| Thermal Conductors Requiring Greater Strength than Copper | Electrical Conductivity, Moderate Strength | |
| Industrial | Resistance Welding Machine Electrodes | Electrical Conductivity, Thermal Conductivity |
| Seam Welding Wheels | Electrical Conductivity, Thermal Conductivity | |
| Spot Welding Tips | Electrical Conductivity, Thermal Conductivity | |
| Short Circuit Ring | Electrical Conductivity, Thermal Conductivity |
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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