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TROJAN Copper Alloy

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Description

Trojan is the ultimate high strength precipitation hardening copper nickel silicon alloy. Based on the same alloying system as its sister alloy Colsibro®, Trojan has been specially developed as a higher strength material with a similar blend of physical properties. The exceptional mechanical strength of Trojan, combined with its high thermal and electrical conductivity, excellent wear resistance and a good corrosion resistance has opened up markets in safety critical engineering fields where beryllium copper was once the only option. The additional strength has also widened the application areas served by traditional copper nickel silicon alloys.

Related Standards

Equivalent Materials

Properties

Electrical

Electrical conductivity σel

1.74E+7 S/m at 20 °C

General

Density ρ

8.8 g/cm³ at 20 °C

Mechanical

Elongation A

10 % at 20 °C

Hardness, Brinell HB

190 - 200 [-] at 20 °C

Tensile strength Rm

690 - 800 MPa at 20 °C

Yield strength YS

570 - 750 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1.6E-5 1/K at 20 °C

0-400°C

Melting point Tm

1060 - 1085 °C

Thermal conductivity λ

159 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Cu

-

REM

Ni

2.6 - 4.5 %

Si

0.8 - 1.3 %

This material data has been provided by Columbia Metals.

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.