Issue: October 2015
Aluminium alloy EN-AW 8079
Pure aluminium, mat. no. 3.0502 (Al 99.0%)
Due to its low specific weight and good formability, aluminium can be used for
a wide range of applications. EN-AW8079 contains iron and silicon, giving it a higher tensile strength. This allow is therefore used for aluminium foils of a thickness of
up to around 0.05 mm.
Due to its relatively good thermal conductivity, pure aluminium is also used for heat exchangers (however, alloys 3003 or 6063 should be used in soldered heat exchangers).
As a result of its high electrical conductivity, aluminium can also be used in the electronics industry and, thanks to its high reflective properties, in lamp reflectors
Aluminium is not suitable for springs.
Thermal conductivity: Spec. heat capacity: Thermal expansion: Electric conductivity:
Modus of elasticity: Relative permeability μr:
210-230 W/(m °C) depending on the temperature 897 J/(kg °C) mean value at 50 – 100 °C
23,6 x 10 -6 (between 30 - 100 °C)
36.6 x 10 -6 A/(V x m) (equivalent to 59 % IACS)
69 000 MPa at 20 °C aluminium is not magnetisable
We recommend a punch-to-die clearance of 4-10 % of the strip thickness.
The corner radius should be at least 0.25 mm and the punching die should be at least twice the strip thickness.
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