Equivalent Specifications

NF L14 707
UZ19A6
NF A 53703:1982
DIN 17660:1983 2.0500
BS EN 12165 :1998

Key Features

A complex Copper Zinc alloy commonly known as Manganese Bronze with additions of manganese, aluminium and iron to improve the tensile strength and corrosion resistance.

It is one of the highest strength copper zinc alloys and has good wear resistance in bearing applications

Typical Uses

Aerospace
Mainly used in aerospace application for landing gear bushes and bearings where wear resistance and corrosion properties are critical properties.
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ASNA 3402 CuZn19Al6 (UZ19A6)

An Airbus specification for a high strength Manganese Bronze. The alloy produced in the wrought form is one of the strongest manganese bronzes on the market. It has good wear resistance and high compressive strength and is used for aircraft landing bushings and bearings. The alloy can also by manufactured to meet the requirements of AIR 9070 UZ19A6 , NCT 10-631-11 MD edition2, DIN 1709 and NF L 14-707.

Description Manganese Bronze
Nominal Composition CuZn19Al6 
Alloy Type Wrought

Typical Mechanical Properties

Tensile Strength (N/mm²) 580
Proof/Yield Strength (N/mm²) 820
Elongation (%) 10
Hardness Brinell 250
Impact Izod J20°C  

Typical Physical Properties

Density g/cm³ 7.6
Melting Temperature Range °C 910-950
Thermal Conductivity W/mK 35
Electrical Resistivity μΩ.m15°C 28
Coefficient of Thermal Expansion 0-250°C 17
Relative Magnetic Permeability 1.2
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.