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STOL® 76M R410

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Description

CuNiSi-alloy with high tensile strength, best bendability and electrical conductivity. Good resistance against relaxation; strengthening by age hardening.

Related Standards

Properties

General

Density ρ

8.9 g/cm³ at 20 °C

Mechanical

Bendability 180°, bw r180,bw

0.5 [-] at 20 °C

r = x t, t <0.5mm

Bendability 180°, gw r180,gw

1 [-] at 20 °C

r = x t, t <0.5mm

Bendability 90°, bw r90,bw

0 [-] at 20 °C

r = x t, t <0.5mm

Bendability 90°, gw r90,gw

0 [-] at 20 °C

r = x t, t <0.5mm

Elastic modulus E

135 GPa at 20 °C

Elongation A50 A50

9 - 11 % at 20 °C

Hardness, Vickers HV

125 - 155 [-] at 20 °C

Tensile strength Rm

410 - 470 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

360 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1.68E-5 1/K at 20 °C

Thermal conductivity λ

260 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Cu

-

balance

Ni

1.4 - 1.7 %

Zn

0.35 - 0.5 %

Si

0.2 - 0.35 %

Sn

0.02 - 0.3 %

More

Technological properties

Application areas

Automotive: Switches and Relays, Contacts, Connectors, Terminals, Press fits. Electrical: Switches and Relays, Contacts, Connectors, Terminals, Press fits, Components for the electrical industry, Stamped parts, Semiconductor Components.

Other

This alloy is in accordance with RoHS 2002/96/CE for electric & electronic equipments and 2002/53/CE for automotive industry.

Processing history

Temper: R410

This material data has been provided by KME Germany.

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.