Alloy 174 (C17410) TH02 Strip

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Description

Materion Performance Alloys’ Alloy 174 strip is a mill hardened copper beryllium strip alloy designed for use in the Automotive, Appliance, and DataCom/TeleCom markets. It provides high yield and fatigue strength with high electrical conductivity and good resistance to stress relaxation. Typical applications include high reliability automotive terminals and spring contacts for switches and relays.

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

8.8 g/cm³

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Dimension

PropertyValue

Thickness

0.05 - 2 mm

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Width

1.27 - 406.5 mm

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Mechanical

PropertyTemperatureValueComment

Bendability 90°, bw

23.0 °C

0.5 [-]

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for strip with 0.25mm and thinner.

Bendability 90°, gw

23.0 °C

0.5 [-]

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for strip with 0.25mm and thinner.

Elastic modulus

23.0 °C

138 GPa

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Elongation

23.0 °C

10 - 20 %

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Fatigue strength

23.0 °C

515 - 585 MPa

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10⁸ cycles R=0 (Unidirectional)

Hardness, Vickers

23.0 °C

180 - 230 [-]

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Tensile strength

23.0 °C

665 - 790 MPa

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Yield strength Rp0.2

23.0 °C

550 - 690 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.76E-5 1/K

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Melting point

1020 °C

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Thermal conductivity

23.0 °C

230 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

2.9E-6 - 3.8E-6 Ω·m

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Specific Electrical conductivity

45 - 60 % IACS

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Chemical properties

PropertyValue

Beryllium

0.15 - 0.5 %

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Cobalt

0.35 - 0.6 %

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Copper

Balance

Technological properties

Property
Application areas

Typical applications include high reliability automotive terminals and spring contacts for switches and relays.