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+Zr |
Remark |
Other elements |
0,35 |
0,45 |
0,2 |
0,15-0,5 |
1,5-2,5 |
0,2 |
3,5-4,5 |
0,1-0,4 |
|
– |
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 |
|
T651 |
8 |
30 |
410 |
– |
350 |
– |
8 |
– |
|
|
30 |
50 |
400 |
– |
340 |
– |
8 |
– |
|
|
50 |
80 |
390 |
– |
330 |
– |
8 |
– |
|
Physical properties |
General properties |
(Guide values for 20° C) |
|
Density of g/cm3 |
2,75 |
Resistance to: |
|
Solidification range ° C |
580-630 |
– Sea water |
4 |
Electrical conductivity MS/m |
19-23 |
– Weather conditions |
3 |
Thermal conductivity W/(mK) |
135-150 |
Hot formability |
2 |
Therm. linear expansion- |
|
– extrusion presses |
– |
Coeffizient 10-6/K |
23,6 |
– Drop forging |
– |
Modulus of elasticity N/mm2 |
71.000 |
– Open die forging |
– |
Weldability |
|
Surface treatment |
|
Fusion welding |
|
Protection anodizing |
2 |
– Gas |
– |
Anodizing (decorative) |
4 |
– WIG |
2 |
Painting/Coating |
3 |
– MIG |
2 |
|
|
Resistance welding |
2 |
Contact with food |
no |
Machinability |
2 |
|
|
3. Main application / Special features:
Robot parts, transfer plates, printing machine parts, defence technology, welded constructions.
Unidal combines a stress-free precision plate with highest strength values.
Best surface finishing results.