Equivalent Specifications

ASTM B 171 C61400
ASTM B 150 C61400
ASTM B 124 C61400

Key Features

A single phase ductile aluminium bronze with excellent corrosion resistance and low magnetic permeability.

Typical Uses

This alloy is ductile and can be cold worked. It is normally manufactured in the form of tube plate to be used in water condenser system, pressure vessels and heat exchanges.

The alloy is also used for bearings and expansion plates for bridges and other structural applications.

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DIN EN 12420 CW303G

A German copper and copper alloy forging specification for aluminium bronze CuAl8Fe. The alloy contains 3% iron which increases strength and acts as a grain refiner. This alloy is classified as medium strength with high ductility and has good sea water corrosion resistance. The alloy can also be released to DIN 17672/3 W Nr 2.0932, EN 1265 CW303G, ASTM B 150 C61400, BS 2875 CA106.

Description Aluminium Bronze
Nominal Composition CuAl8Fe
Alloy Type Wrought

Typical Mechanical Properties

Tensile Strength (N/mm²) 275
Proof/Yield Strength (N/mm²) 530
Elongation (%) 40
Hardness Brinell  
Impact Izod J20°C

Typical Physical Properties

Density g/cm³ 7.8
Melting Temperature Range °C 1045-1110
Thermal Conductivity W/mK 67.5
Electrical Resistivity μΩ.m15°C 13
Coefficient of Thermal Expansion 0-250°C 16
Relative Magnetic Permeability < 1.01
Coefficient of Friction

Copper Alloys Ltd 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 Ltd's technical team on +44 (0) 1782-816888, or email sales@copperalloys.net.

This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with tempeter, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be acepted by the Company in respect of any action taken by any third party in reliance thereon.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.

Any advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the Company's Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions, a copy of which is available on request.