AMPCOLOY® 972: High-Performance Extruded & Drawn Copper Bars for Advanced Applications
2.1293 is a precipitation hardening copper-base alloy. In the heat treated condition, this alloy retains the mechanical properties together with a good ductility in the range of 300-500°C. High electrical conductivity and high mechanical properties are attributes of this versatile alloy.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.9 g/cm³ |
Recycled Content | 80 % |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 120 GPa | |
Elongation A5 | 23.0 °C | 8 - 18 % | |
Hardness, HBW | 23.0 °C | 125 - 155 [-] | HBW 10/1000 |
Hardness, Rockwell B | 23.0 °C | 72 - 83 [-] | |
Tensile strength | 23.0 °C | 370 - 470 MPa | |
Yield strength Rp0.5 | 23.0 °C | 270 - 440 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.7E-5 1/K |
Specific heat capacity | 23.0 °C | 380 J/(kg·K) |
Thermal conductivity | 23.0 °C | 320 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 5.10E+7 S/m |
Specific Electrical conductivity | 86 % IACS |
Chemical properties
| Property | Value |
|---|---|
Chromium | 1 % |
Copper | Balance |
Other | 0.2 % |
Zirconium | 0.1 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Resistance welding tips and electrodes; Parts for the energy engineering; Damper finger segments; Damper rings | |
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