-
Aviation
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Chemical specifications
|
Cr (from)
|
0.1
|
|
Cr (to)
|
0.35
|
|
Cu (to)
|
0.2
|
|
Fe (to)
|
0.4
|
|
Mg (from)
|
1
|
|
Mg (to)
|
1.4
|
|
Mn (from)
|
0.05
|
|
Mn (to)
|
0.5
|
|
Other
|
0,05
|
|
Rest
|
Aluminium
|
|
Si (from)
|
0
|
|
Si (to)
|
0.35
|
|
Ti footnote reference
|
a)
|
|
Total
|
0,15
|
|
Zn (from)
|
4
|
|
Zn (to)
|
5
|
|
Zr footnote reference
|
a)
|
0,08 – 0,25 Zr + Ti
-
Chemical surface treatment
|
Anodise - decorative
|
3
|
|
Anodising - protective anodising
|
2
|
|
Chromating
|
2
|
|
Cleaning / degreasing
|
2
|
|
Hard anodising
|
2
|
|
Phosphating
|
2
|
|
Pickling
|
2
|
|
Shining
|
4.5
|
-
Corrosion resistance
|
Normal atmosphere
|
3
|
|
Seawater atmosphere
|
4
|
-
Cutting
|
Laser cutting
|
3
|
|
Plasma cutting
|
3
|
|
Sawing
|
2
|
|
Shear cutting
|
2
|
|
Waterjet cutting
|
1
|
-
Food industry
|
suitable according to DIN EN 602
|
No
|
-
Forming
|
Bending
|
2
|
|
Bending delivery conditions
|
O
|
|
Deep drawing (conditional)
|
2
|
|
Deep drawing conditions
|
O
|
|
Drop forging
|
2
|
|
Extruding
|
2
|
|
Impact extrusion
|
3
|
|
Impact extrusion conditions
|
O
|
|
Open die forging
|
2
|
|
Press
|
3
|
|
Press conditions
|
O
|
|
Upsetting (Conditional)
|
2
|
|
Upsetting conditions
|
O
|
-
Heat treatment - Softannealing
|
Heating time max.
|
3 h
|
|
Heating time min.
|
2 h
|
|
Annealing temperature max.
|
420 °C
|
|
Annealing temperature min.
|
400 °C
|
|
Cooling conditions
|
≤ 30°C/h to 250°C + 3 – 5 hours
hold time, below 250°C in air
|
-
Heat treatment - Solution annealing
|
Quenching
|
air
|
|
Solution annealing max.
|
485 °C
|
|
Solution annealing min.
|
460 °C
|
-
Machining / Machinability
|
Eroding
|
1
|
|
Etching
|
2
|
|
hardened
|
2
|
|
Photo etching
|
2
|
|
soft annealed
|
3
|
-
Material
|
Colorcode
|
Hellrosa (RAL 3015)
|
|
Material chemically EN 573-3
|
Al Zn4,5 Mg1
|
|
DIN
|
3.4335
|
|
DIN (old designation)
|
Al Zn4,5 Mg1
|
|
France AFNOR
|
A-Z5G
|
|
Italy UNI
|
9007/1
|
|
Norway
|
17,410
|
|
Spain
|
L-3741
|
|
Sweden
|
144,425
|
|
United Kingdom BS
|
H17
|
-
Mechanical surface treatment
|
Blasting
|
1
|
|
Brushing
|
2
|
|
Dessinating
|
1
|
|
Grinding
|
2
|
-
Metallic coating
|
Galvanising
|
2
|
|
Nickel coating
|
2
|
|
Thermal spraying
|
4
|
-
Organic coating
|
Enamelling
|
5
|
|
Laminating
|
2
|
|
Painting / Coating
|
2
|
-
physical properties
|
Coefficient of thermal expansion from 20 to 100°C
|
23.1 K⁻¹10⁻⁶
|
|
Coefficient of thermal expansion from 20 to 200°C
|
24 K⁻¹10⁻⁶
|
|
Coefficient of thermal expansion from 20 to 300°C
|
25 K⁻¹10⁻⁶
|
|
Coefficient of thermal expansion from -50 to 20°C
|
21.4 K⁻¹10⁻⁶
|
|
Density
|
2.77 g/cm³
|
|
Electrical conductivity max.
|
23 m/Ω*mm²
|
|
Electrical conductivity min.
|
19 m/Ω*mm²
|
|
Modulus of elasticity
|
70 GPa
|
|
Shear modulus
|
26.4 GPa
|
|
Specific heat
|
875 J/(kg·K)
|
|
Thermal conductivity max.
|
160 W/m*K
|
|
Thermal conductivity min.
|
130 W/m*K
|
-
Soldering
|
Brazing
|
5
|
|
Brazing with flux
|
5
|
|
Friction soldering
|
3
|
|
Soft soldering
|
5
|
|
Soft soldering with flux
|
5
|
-
Welding
|
Friction stir welding
|
2
|
|
Friction welding
|
2
|
|
Gas
|
3
|
|
Laser
|
2
|
|
MIG
|
1
|
|
Resistance spot welding
|
5
|
|
TIG
|
2
|
|
welding additives
|
- SG-Al Mg4,5 Mn
- SG-Al Mg4,5 Mn Zr
- SG-Al Mg5
|
1 very good
2 good
3 moderate
4 poor
5 unsuited
0 Not specified
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