ASTM B197 Grade C17200 TM04

Alternative and trade names
Alloy 25 (C17200) Wire
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Description

Materion Performance Alloys’ Alloy 25 wire provides the highest strength of any copper alloy, with electrical conductivity considerably greater than other high strength copper alloys. This alloy features good stress relaxation resistance and high fatigue strength.

Related Standards

Equivalent Materials

This material data has been provided by MakeItFrom.com,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.

Ashby charts

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.36 - 8.8 g/cm³

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Dimension

PropertyValue

Diameter

1.27 - 12.7 mm

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

130 - 131 GPa

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Elongation

23.0 °C

10 - 75 %

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Tensile strength

23.0 °C

410 - 980 MPa

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Yield strength

23.0 °C

850 MPa

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Yield strength Rp0.2

23.0 °C

130 - 210 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.75E-5 - 1.8E-5 1/K

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Melting point

870 °C

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Specific heat capacity

23.0 °C

360 J/(kg·K)

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Thermal conductivity

23.0 °C

105 - 110 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

6.2E-6 - 7.8E-6 Ω·m

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Specific Electrical conductivity

22 - 28 % IACS

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Chemical properties

PropertyValueComment

Aluminium

0 - 0.2 %

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Beryllium

1.8 - 2 %

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Cobalt

0.2 %

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min. Nickel + Cobalt

Copper

96.1 - 98 %

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Balance

Iron

0 - 0.6 %

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max., Nickel + Cobalt + Iron

Nickel

0.2 - 0.6 %

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min. Nickel + Cobalt

Other

0 - 0.5 %

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Silicon

0 - 0.2 %

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Technological properties

Property
Application areas

Typical applications include precision coil springs and pins for burn-in and test socket contacts and probe pins, computer processor socket contacts, cold headed fasteners, modular jack contacts, woven mesh electromagnetic shielding gaskets and resilient eyeglass frames.