Alloy 25 Tube TH04 (C17200) – High‑Strength, High Conductivity Copper Alloy
Alloy 25 Tube from Materion Performance Alloys provides the highest strength of any copper alloy, with electrical conductivity considerably greater than other high strength copper alloys. This alloy features high fatigue strength and magnetic permeability approaching unity.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.36 g/cm³ |
Dimension
| Property | Value |
|---|---|
Outside diameter | 9.5 - 76 mm |
Wall thickness | 10-20% of outside diameter |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 23.0 °C | 131 GPa |
Elongation | 23.0 °C | 2 - 9 % |
Tensile strength | 23.0 °C | 1210 - 1550 MPa |
Yield strength Rp0.2 | 23.0 °C | 1000 - 1380 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 | 5.8E-6 - 6.9E-6 Ω·m |
Specific Electrical conductivity | 25 - 30 % IACS |
Magnetic
| Property | Temperature | Value | Comment |
|---|---|---|---|
Relative magnetic permeability | 23.0 °C | 1 [-] | max. |
Chemical properties
| Property | Value | Comment | |
|---|---|---|---|
Beryllium | 1.8 - 2 % | ||
Cobalt | 0.2 % | min. Nickel + Cobalt | |
Copper | Balance | ||
Iron | 0.6 % | max., Nickel + Cobalt + Iron | |
Lead | 0.2 - 0.6 % | ||
Nickel | 0.2 % | min. Nickel + Cobalt | |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Typical applications include bushings and bearings for aircraft as well as drill collars and instrument housings for oil and gas exploration. | |
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