1. Chemical composition
in the aftermath of DIN EN 573-3 (in % of the mass, rest AL)
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Remark |
Other elements |
0,4 |
0,4 |
|
0,4-1,0 |
4,0-4,9 |
0,05-0,25 |
0,25 |
0,15 |
|
|
2. mechanical properties
in the aftermath of DIN EN 485-2 Sheets and plates (common conditions)
Condition |
Nominal thickness |
Tensile strength |
Plug-in limit |
Ultimate elongation |
Rigor |
|
in mm |
Rm in MPa |
Rp0,2 in MPa |
in % (min.) |
HBS |
|
over |
up to |
min |
max |
min |
max |
A50 |
A |
|
0 |
6 |
12,5 |
275 |
- |
125 |
- |
16 |
- |
|
|
12,5 |
50 |
275 |
- |
125 |
- |
15 |
- |
|
|
50 |
80 |
270 |
- |
115 |
- |
14 |
- |
|
Physical properties |
General properties |
(Guide values for 20° C) |
|
Density of g/cm3 |
2,66 |
Resistance to: |
|
Solidification range °C |
574-638 |
- Sea water |
1 |
Electrical conductivity MS/m |
16-19 |
- Weather conditions |
1 |
Thermal conductivity W/(mK) |
110-140 |
Hot formability |
2 |
Therm. linear expansion- |
|
- extrusion presses |
- |
Coeffizient 10-6/K |
24,2 |
- Drop forging |
- |
Modulus of elasticity N/mm2 |
70.000 |
- Open die forging |
- |
Weldability |
|
Surface treatment |
|
Fusion welding |
|
Protection anodizing |
2 |
- Gas |
- |
Anodizing (decorative) |
3 |
- WIG |
4 |
Painting/Coating |
3 |
- MIG |
2 |
|
|
Resistance welding |
2 |
Contact with food |
yes |
Machinability |
2 |
|
|
3. Main application / Special features:
Base plates suitable for precision devices, mounting devices, vacuum devices.
Forms with difficult contours. Machining without distortion.
Best surface finishing results