Exclusive Agent for PL, RO, HU, CZ, SL
6262
According to EU directives: 2000/53/CE (ELV) - 2002/95/CE (RoHS)
Presentation
This alloy has good machinability and high mechanical properties. Moreover it has a good resistance to corrosion and suitability to hard, protective and decorative ano- dizing.
Main applications
particulars for braking systems for automotive, structural components for civil constructions, railroad and street heavy vehicles.
Properties
| Properties | T6 | T8/T9 |
|---|---|---|
| Machinability | ||
| Protective anodizing | ||
| Decorative anodizing | ||
| Hard anodizing | ||
| Resistance to atmospheric corrosion | ||
| Resistance to marine corrosion | ||
| MIG-TIG weldability | ||
| At resistance weldability | ||
| Brazing weldability | ||
| Plastic formability when cold | ||
| Plastic formability when hot |
Excellent
Good
Acceptable
Not recommended
Chemical composition
| Si | 0,40 ÷ 0,80 |
| Fe | ≤ 0,70 |
| Cu | 0,15 ÷ 0,40 |
| Mn | ≤ 0,15 |
| Mg | 0,80 ÷ 1,20 |
| Cr | 0,04 ÷ 0,14 |
| Ni | |
| Zn | ≤0,25 |
| Ti | ≤ 0,15 |
| Zr | |
| Pb | 0,40 ÷ 0,70 |
| Bi | 0,40 ÷ 0,70 |
| Al | Rem. |
Physical characteristics
| Density | Kg/dm^3 |
2,72 |
| Modulus of elasticity | MPa |
69.000 |
| Coefficient of thermal expansion |
x10^-6/C
|
23,4 |
| Thermal conductivity at 20°C |
W/mk
|
172 |
| Electrical resistivity at 20°C |
Ωmm^3/m
|
0,038 |
Mechanical properties
| Temper | Rm MPa |
Rp 0,2 MPa |
A% | HBW | |
|---|---|---|---|---|---|
| Extruded | T6 | 260 | 240 | 10 | |
| T6* | 350 | 320 | 10 | 105 | |
| Drawn | T6 | 290 | 240 | 10 | |
| T6* | 350 | 295 | 12 | 95 | |
| T8 | 345 | 315 | 4 | ||
| T8* | 360 | 330 | 11 | 95 | |
| T9 | 360 | 330 | 4 | ||
| T9* | 395 | 385 | 6 | 110 |
*Typical Eural Characteristics