Alloy M25 Rod TH04 (C17300)

Alternative and trade names
Alloy M25 (C17300) Rod
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Description

Alloy M25 from Materion Performance Alloys is a free machining, high performance copper alloy. M25’s properties minimize signal distortion in coaxial RF connectors and reduce power loss in circular connectors and contact probes. M25 is available in spooled or coiled wire product forms, and in different tempers to accommodate diverse design requirements. After machining and forming operations, M25 parts can be easily heat treated and plated to obtain maximum mechanical and electrical performance. Applications requiring stability to 175° C or reliable contact force in miniaturized designs specify Alloy M25. In demanding electronic applications, M25 provides performance and reliability superior to any free machining copper alloy.

Related Standards

This material data has been provided by Materion Brush GmbH.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.36 g/cm³

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Dimension

PropertyValue

Diameter

0.76 - 63.5 mm

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Length

3700 mm

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

131 GPa

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Elongation

23.0 °C

2 - 9 %

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Tensile strength

23.0 °C

1210 - 1550 MPa

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Yield strength Rp0.2

23.0 °C

1000 - 1380 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.75E-5 1/K

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Melting point

870 °C

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Thermal conductivity

23.0 °C

105 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

5.8E-6 - 6.9E-6 Ω·m

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Specific Electrical conductivity

25 - 30 % IACS

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Chemical properties

PropertyValueComment

Beryllium

1.8 - 2 %

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Cobalt

0.2 %

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min. Nickel + Cobalt

Copper

Balance

Iron

0.6 %

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max., Nickel + Cobalt + Iron

Lead

0.6 - 2 %

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Nickel

0.2 %

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min. Nickel + Cobalt

Technological properties

Property
Application areas

Contacts for electronics, aircraft and automotive applications. It can also be machined into parts for the watch industry, contacts for circular connectors and coaxial connectors.

General machinability

60% (vs. free-cutting brass)