Equivalent Specifications

BS EN 12420 1999 CW 304G
BS EN 12165 1998 CW 304G
DIN 17665 1983 2.0971
DIN 17675 1983 2.0971
DIN 17670 1983 2.0971
CuAl9Ni3Fe2
NFA51-116
GAM MM 11
GAM MM 12
GAM MM 13

Key Features

A complex Aluminium Bronze with small additions of nickel and iron.

The alloy has high mechanical properties while maintaining good ductility and toughness. Can also be manufactured with low magnetic permeability.

Typical Uses

Marine: Marine Defence applications requiring low magnetic permeability, valve blocks and valve stems and fittings.

Fasteners: Nuts and bolts

Description Nickel Aluminium Bronze
Nominal Composition CuAl9Ni3Fe2
Alloy Type wrought

Typical Mechanical Properties

Tensile Strength (N/mm²) 500
Proof/Yield Strength (N/mm²) 180
Elongation (%) 30
Hardness Brinell 115
Impact Izod J20°C 30

Typical Physical Properties

Density g/cm³ 7.4
Melting Temperature Range °C 1050 - 1110
Thermal Conductivity W/mK 45
Electrical Resistivity μΩ.m15°C 20
Coefficient of Thermal Expansion 0-250°C 16
Relative Magnetic Permeability 1.1
Coefficient of Friction 0.46

Copper Alloys has the ability to modify existing alloys for improved performance. Many customers have benefited from this in the past.

To discuss your requirements, call a member of Copper Alloys’s technical team on +44 (0) 1782-816888, or email [email protected].

Contact

+44 (0) 1782 816888

[email protected]

Auckland Street, Stoke-on-Trent, ST6 2AZ, United Kingdom