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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NFL 14-707 CuZn19AL6 (UZ19A6)
A French AFNOR aerospace specification for high strength manganese bronze CuZn19Al6. 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. As well as aerospace applications it is used for bridge wear plates and slide bearings. The alloy also meets the requirements of AIR 9070 UZ19A6 , NCT 10-631-11 MD edition2 and DIN 1709.
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 |
|
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.