Alloy 390® Strip TH04 (C17460): Superior Strength, Conductivity, and Reliability
Alloy 390® (UNS C17460) Strip Materion Performance Alloys’ mill hardened Alloy 390 strip provides a unique combination of high strength and high electrical conductivity, coupled with good resistance to stress relaxation. This combination allows for high reliability, small form factor contacts.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.81 g/cm³ |
Dimension
| Property | Value |
|---|---|
Thickness | 0.05 - 0.38 mm |
Width | 1.27 - 406.5 mm |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Bendability 90°, bw | 23.0 °C | 5 [-] | >10mm (2 for <10mm) |
Bendability 90°, gw | 23.0 °C | 5 [-] | >10mm (2 for <10mm) |
Elastic modulus | 23.0 °C | 138 GPa | |
Elongation | 23.0 °C | 1 % | in 25mm |
Fatigue strength | 23.0 °C | 580 - 685 MPa | 10⁸ cycles R=0 (Unidirectional) |
Hardness, Vickers | 23.0 °C | 280 - 340 [-] | |
Tensile strength | 23.0 °C | 950 - 1090 MPa | |
Yield strength Rp0.2 | 23.0 °C | 930 - 1055 MPa |
Thermal
| Property | Value |
|---|---|
Melting point | 1030 °C |
Electrical
| Property | Value | Comment |
|---|---|---|
Specific Electrical conductivity | 44 % IACS | nominal value |
Chemical properties
| Property | Value |
|---|---|
Beryllium | 0.15 - 0.5 % |
Copper | Balance |
Nickel | 1 - 1.4 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Typical applications include power contacts and burn-in and test socket contacts. | |
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