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

PropertyValueTemperature

Density

8.8 g/cm³

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23.0 °C

Dimension

PropertyValue

Thickness

0.05 - 2 mm

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Width

1.27 - 406.5 mm

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Mechanical

PropertyValueTemperatureComment

Bendability 90°, bw

0.5 [-]

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23.0 °C

for strip with 0.25mm and thinner.

Bendability 90°, gw

0.5 [-]

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23.0 °C

for strip with 0.25mm and thinner.

Elastic modulus

138 GPa

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23.0 °C

Elongation

10 - 20 %

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23.0 °C

Fatigue strength

515 - 585 MPa

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23.0 °C

10⁸ cycles R=0 (Unidirectional)

Hardness, Vickers

180 - 230 [-]

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23.0 °C

Tensile strength

665 - 790 MPa

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23.0 °C

Yield strength Rp0.2

550 - 690 MPa

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23.0 °C

Thermal

PropertyValueTemperature

Coefficient of thermal expansion

1.76E-5 1/K

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23.0 °C

Melting point

1020 °C

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Thermal conductivity

230 W/(m·K)

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23.0 °C

Electrical

PropertyValueTemperature

Electrical resistivity

2.9E-6 - 3.8E-6 Ω·m

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23.0 °C

Specific Electrical conductivity

45 - 60 % IACS

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Chemical properties

Property

Beryllium

0.15 - 0.5 %

Cobalt

0.35 - 0.6 %

Copper

Balance

Technological properties

Property
Application areas

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