Alloy 190 TM06 (C17200): Premium High‑Strength Copper Alloy with Superior Conductivity
Materion Performance Alloys, Alloy 290 strip provides the highest strength of any mill hardened copper alloy, with electrical conductivity considerably greater than other high strength copper alloys. This alloy features good stress relaxation resistance and high fatigue strength.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.36 g/cm³ |
Dimension
| Property | Value |
|---|---|
Thickness | 0.05 - 1.61 mm |
Width | 1.27 - 406.5 mm |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Bendability 90°, bw | 23.0 °C | 5 [-] | for strip with 0.25mm and thinner. |
Bendability 90°, gw | 23.0 °C | 4 [-] | for strip with 0.25mm and thinner. |
Elastic modulus | 23.0 °C | 131 GPa | |
Elongation | 23.0 °C | 4 - 15 % | min., for strip thicker than 0.10 mm |
Hardness, Vickers | 23.0 °C | 317 - 378 [-] | |
Tensile strength | 23.0 °C | 1060 - 1210 MPa | |
Yield strength Rp0.2 | 23.0 °C | 930 - 1180 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.75E-5 1/K |
Melting point | 870 °C | |
Thermal conductivity | 23.0 °C | 105 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 6.2E-8 - 1.01E-7 Ω·m |
Specific Electrical conductivity | 17 - 28 % IACS |
Chemical properties
| Property | Value | Comment | |
|---|---|---|---|
Beryllium | 1.8 - 2.2 % | ||
Cobalt | 0.2 % | min. Nickel + Cobalt | |
Copper | Balance | ||
Iron | 0.6 % | max., Nickel + Cobalt + Iron | |
Nickel | 0.2 % | min. Nickel + Cobalt | |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Typical applications include high reliability spring contacts for switches and relays, battery contacts, and automotive terminals. | |
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