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NIBRON SPECIAL® Copper Alloy

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Description

NIBRON SPECIAL® is an extra high strength copper nickel alloy developed by Columbia Metals that maximises both strength and corrosion resistance. Sometimes referred to as a nickel bronze, NIBRON® contains additions of aluminium, iron and manganese that join with the copper and nickel to achieve its exceptional properties. The resulting high strength, outstanding corrosion resistance, low magnetism, anti-galling, high conductivity and good fabrication characteristics combine to create a material suited to widely differing industries.

Related Standards

Equivalent Materials

Properties

Electrical

Electrical resistivity ρel

1.7E-7 Ω·m at 20 °C

General

Density ρ

8.5 g/cm³ at 20 °C

Mechanical

Elastic modulus E

141 GPa at 20 °C

Elongation A

12 % at 20 °C

Hardness, Brinell HB

229 - 240 [-] at 20 °C

Tensile strength Rm

770 - 850 MPa at 20 °C

Yield strength YS

555 - 630 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1.64E-5 1/K at 20 °C

Melting point Tm

1080 - 1100 °C

Thermal conductivity λ

44 - 46 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Cu

-

REM

Ni

14.5 %

Al

3 %

Fe

1.5 %

Mn

0.3 %

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.