ASTM B197 Grade C17200 TM08

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.

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Properties

General

PropertyValueTemperature

Density

8.36 - 8.8 g/cm³

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23.0 °C

Dimension

PropertyValue

Diameter

1.27 - 12.7 mm

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Mechanical

PropertyValueTemperature

Elastic modulus

130 - 131 GPa

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23.0 °C

Elongation

2 - 15 %

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23.0 °C

Tensile strength

750 - 1260 MPa

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23.0 °C

Yield strength

1140 MPa

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23.0 °C

Yield strength Rp0.2

620 - 870 MPa

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23.0 °C

Thermal

PropertyValueTemperature

Coefficient of thermal expansion

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

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23.0 °C

Melting point

870 °C

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Specific heat capacity

360 J/(kg·K)

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23.0 °C

Thermal conductivity

105 - 110 W/(m·K)

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23.0 °C

Electrical

PropertyValueTemperature

Electrical resistivity

6.2E-6 - 7.8E-6 Ω·m

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23.0 °C

Specific Electrical conductivity

22 - 28 % IACS

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Chemical properties

Property

Aluminium

0 - 0.2 %

Beryllium

1.8 - 2 %

Cobalt

0.2 %

min. Nickel + Cobalt

Copper

96.1 - 98 %

Balance

Iron

0 - 0.6 %

max., Nickel + Cobalt + Iron

Nickel

0.2 - 0.6 %

min. Nickel + Cobalt

Other

0 - 0.5 %

Silicon

0 - 0.2 %

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.