1. Chemical composition
not standardized own product (in % of the mass, rest AL)
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Zr |
Other elements |
0,2 |
0,3 |
1,5-2,6 |
0,15 |
1,8-2,6 |
0,1 |
5,7-7,6 |
0,06 |
0,08-0,25 |
0,15 |
2. mechanical properties
not standardized own product (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 |
|
über |
bis |
min |
max |
min |
max |
A50 |
|
|
|
100 |
575 |
|
532 |
|
7,8 |
180 |
|
200 |
290 |
533 |
|
479 |
|
3,6 |
180 |
|
300 |
|
535 |
|
483 |
|
3,2 |
180 |
Physical properties |
General properties |
(Guide values for 20° C) |
|
Density of g/cm3 |
2,83 |
Resistance to: |
|
Solidification range ° C |
|
- Sea water |
4-5 |
Electrical conductivity MS/m |
23 |
- Weather conditions |
4-5 |
Thermal conductivity W/(mK) |
154 |
Hot formability |
|
Therm. linear expansion- |
|
- extrusion presses |
|
Coeffizient 10-6/K |
23,5 |
- Drop forging |
3 |
Modulus of elasticity N/mm2 |
71.000 |
- Open die forging |
3 |
Weldability |
|
Surface treatment |
|
Fusion welding |
|
Protection anodizing |
2 |
- Gas |
4 |
Anodizing (decorative) |
6 |
- WIG |
4 |
Painting/Coating |
3 |
- MIG |
4 |
Polishability |
1 |
Resistance welding |
4 |
Contact with food |
No |
Machinability |
|
|
|
- T451 |
2 |
|
|
3. Main application / Special features:
The high-strength one - for the highest demands in mould making. Very high core strength and best abrasion resistance. Is to be seen as a compensation material in the application area of low to medium strength steels.
Very difficult to weld.