It is used vvhere higher mechanical properties at elevated temperatures together with corrosion-resistant properties are demanded.
Cupral 4M Nickel Aluminium Bronze
Bending dies (shoes, wiper dies and mandrels) for the tube bending industry,
Wear and guide plates,
Aircraft landing gear bearings and bushings,
Gear wheels.
Aluminium |
Iron |
Nickle |
Manganese |
Other |
Copper |
Al |
Fe |
Ni |
Mn |
MAX |
Cu |
8.5 - 11 |
3 - 5 |
4 - 6 |
Max. 1 |
0.5 |
Remaining |
Hardness |
170 - 220 |
HB |
Tensile Strength |
650 - 800 |
N/mm2 |
Yield Strength |
270 - 400 |
N/mm2 |
Moduls of Elasticity (20°C) |
124 |
GPa |
Elogation L=5D |
10 - 16 |
% |
Compressive Strength |
1200 |
N/mm2 |
Electrical Conductivity |
5 |
MS/m |
Thermal Expansion Coefficient |
16 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
42 |
W/mK |
Density |
7.45 |
g/cm3 |
Continuous cast products of rods, sand castings, centrifugal casting, forging and casting products according to the picture.
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