Exclusive Agent for PL, RO, HU, CZ, SL
2014
According to EU directives: 2000/53/EU (ELV) – 2011/65/EU (RoHS II)
Presentation
This alloy has high mechanical properties, excellent resistance to fatigue, good attitude to forging and a fair machinability.
Main applications
high structural resistance components for aircraft and defense.
Properties
| Properties | T3,T4,T6 |
|---|---|
| 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 | 0,50 ÷ 1,20 |
| Fe | ≤0,70 |
| Cu | 3,90 ÷ 5,00 |
| Mn | 0,40 ÷ 1,20 |
| Mg | 0,20 ÷ 0,80 |
| Cr | ≤0,10 |
| Ni | |
| Zn | ≤0,25 |
| Ti | ≤0,15 |
| Pb | |
| Others | Each 0,05 Total 0,15 |
| Al | Rem |
Physical characteristics
| Density | Kg/dm^3 |
2,80 |
| Modulus of elasticity | MPa |
72.400 |
| Coefficient of thermal expansion |
x10^-6/C
|
23 |
| Thermal conductivity at 20°C |
W/mk
|
T4: 134 T6: 155 |
| Electrical resistivity at 20°C |
Ωmm^3/m
|
T4: 0,051 T6: 0,043 |
Mechanical properties
| Temper | Diam. mm | Rm MPa |
Rp 0,2 MPa |
A% | HBW | |
|---|---|---|---|---|---|---|
| Drawn | T3 | ≤80 | 380 | 290 | 8 | 110 |
| T351 | ≤80 | 380 | 290 | 6 | 110 | |
| T4 | ≤80 | 380 | 220 | 12 | 110 | |
| T451 | ≤80 | 380 | 220 | 10 | 110 | |
| T6 | ≤80 | 450 | 380 | 8 | 140 | |
| T651 | ≤80 | 450 | 380 | 6 | 140 | |
| Extruded | T4, T4510, T4511 | ≤ 75 | 410 | 270 | 12 | 110 |
| T4, T4510, T4511 | 75 < D ≤ 150 | 390 | 250 | 10 | 110 | |
| T4, T4510, T4511 | 150 < D ≤ 200 | 350 | 230 | 8 | 110 | |
| T6, T6510, T6511 | ≤ 75 | 460 | 415 | 7 | 140 | |
| T6, T6510, T6511 | 75 < D ≤ 150 | 465 | 420 | 7 | 140 | |
| T6, T6510, T6511 | 150 < D ≤ 200 | 430 | 350 | 6 | 140 | |
| T6, T6510, T6511 | 200 < D ≤ 250 | 420 | 320 | 5 | 140 |
Production Programme
DRAWN
- Round: 14 - 76,2
- Square: 20 - 65
- Flat: Spess. 12 - 55
- Hexagonal: 20 - 63,5
EXTRUDED:
- Round: 30 - 254
- Square: 50 - 165
- Flat: Spess. 30 - 127