The alloy grade with the highest commercially available strength values. A specifically high-strength tooling aluminium.
(EN 573-3)
| Specifications (%) Remainder: Aluminium |
Others | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Ti | Ga | V | Notes | Each | Total2 |
| 0,40 | 0,50 | 1,20 - 2,00 | 0,30 | 2,10 - 2,90 | 0,18 - 0,28 | - | 5,10 - 6,10 | 0,20 | - | - | - | 0,05 | 0,15 |
DIN EN 485-2:2009-01
EN 485-2:2008
Below LV=10 mm the flatness parameters are not guaranteed!
| Temper | Nominal thickness t [mm] |
Tensile strength Rₘ min. [MPa] |
Proof strength Rₚ0,2 min. [MPa] |
Elongation A₅₀ min. [%] |
Bend factor 90° rₘᵢₙ [·t] |
Hardness HBW |
|---|---|---|---|---|---|---|
| T651 | 6,0 – 12,5 | 540 | 470 | 8 | 12,0 · tb | 161 |
| 12,5 – 25,0 | 540 | 470 | 6 | — | 161 | |
| 25,0 – 50,0 | 525 | 460 | 5 | — | 158 |
Notes:
• A b marking means that substantially smaller bend radii can be achieved after solution heat treatment.
• HBW: Brinell hardness.
The values and data below are indicative – they help to give a general picture of the material.
| EN AW | Al Zn5,5 Mg Cu |
|---|---|
| Old designation | Al Zn Mg Cu1,5 |
| Material number (DIN) | 3.4365 |
| United Kingdom (BS) | 2L95 |
| Italy (UNI) | 9007/2 |
| Spain | - |
| Sweden | - |
| Norway | - |
| France (AFNOR) | A-Z5GU |
| Colour code | RAL 4005 Blue Lilac |
| Density [g/cm3] | 2,80 |
|---|---|
| Modulus of elasticity [GPa] | 72 |
| Thermal conductivity [W/m*K] | 130 – 160 |
| Thermal expansion coefficient [K-1*10-6] | -50°C – 20°C | 21,6 |
| 20°C – 100°C | 23,4 | |
| 20°C – 200°C | 24,3 | |
| 20°C – 300°C | 25,2 | |
| Specific heat [J/(kg*K)] | 862 |
| Electrical conductivity [m/Ω*mm2] | 19 – 23 |
| Shear modulus [GPa] | 27,1 |
| Annealing / recrystallisation annealing | |
|---|---|
| Annealing temperature | 380°C – 420°C |
| Heat-up time | 2 – 3 hours |
| Cooling conditions | ≤ 30°C/hour to 230°C + 3 – 5 hours soak, air below 230°C |
| Hardening | |
|---|---|
| Solution heat treatment | 470°C – 480°C |
| Quenching | water |
| Natural ageing | Typical artificial ageing |
| Artificial ageing |
1st stage: 110°C – 125°C · 12 – 24 hours 2nd stage: 165°C – 180°C · 4 – 6 hours |
| Machinability | |
|---|---|
| Annealed | - |
| Work-hardened | - |
| Heat-treated | 2 |
| Dimensional stability | 4 – 5 |
| EDM | 1 |
| Surface treatment | |
|---|---|
| Anodising – (protective anodising) | 3 |
| Special anodising quality (EQ)EQ | - |
| Anodising – decorative | 5 |
| Painting / coating | 3 |
| Polishing | 1 |
| Weldability | ||
|---|---|---|
| Process | Value | Filler metal |
| Gas | 5 | - |
| TIG | 5 | - |
| MIG | 5 | - |
| Resistance welding | 2 | - |
| Solderability | |
|---|---|
| Brazing with flux | 5 |
| Brazing without flux | 5 |
| Abrasion soldering | 5 |
| Soft soldering with flux | 5 |
| Corrosion resistance | |
|---|---|
| In a normal atmosphere / weathering conditions | 4 |
| Marine air environment | 4 |
| Formability | ||
|---|---|---|
| Cold forming | Value | Delivery temper |
| Bending | 4 | O |
| Compression forming | 5 | |
| Deep drawing (temper-dependent) | 4 – 5 | O |
| Upsetting (temper-dependent) | 5 | |
| Impact extrusion | 5 | |
| Hot forming | Value | |
|---|---|---|
| Closed-die forging | 4 | |
| Extrusion | 4 – 5 | |
| Hammer forging | 4 |
| Suitable for food contact (according to DIN EN 602) | no |
|---|
| Service temperatures |
Long term approx. 90°C Short term approx. 110°C – 125°C |
|---|
