EN AW-7012 · AlZn6Mg2Cu
A European high-strength extrusion and forging alloy in the 7075 class, with zirconium grain control for better quench tolerance in medium sections.
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.15 |
| Fe | ≤ 0.25 |
| Cu | 0.8 – 1.2 |
| Mn | 0.08 – 0.15 |
| Mg | 1.8 – 2.6 |
| Zn | 5.8 – 6.5 |
| Zr | 0.10 – 0.18 |
| Al | balance |
Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.
| Property | Value |
|---|---|
| Density | 2.82 g/cm³ |
| Melting range | 480 – 630 °C |
| Thermal expansion (20–100 °C) | 23.2 µm/m·K |
| Elastic modulus | 71 GPa |
| Thermal conductivity | 150 W/m·K |
| Electrical conductivity | 35 % IACS |
Strength Data
Mechanical properties by temper
Typical room-temperature values for orientation. Design minimums depend on product form, thickness and the governing specification — request the applicable table with your inquiry.
| Temper | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| T6 | 480 | 540 | 8 | 145 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | AlZn6Mg2Cu |
| EN numeric | EN AW-7012 |
| UNS | A97012 |
| Werkstoff-Nr. | — |
| Common product standards | ASTM B221 · EN 573-3 · producer registrations |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Bar / Flat | ASTM B221 | 7012 | T6 | Aerospace & Defense |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-7012 is the right answer
- High-strength extruded profiles
- Forged structural parts
- Sporting equipment
- Mold and tooling components
Specifying EN AW-7012?
State the temper, product form, dimensions and governing standard from the tables above, and we will confirm availability with a firm price and delivery date — typically within one business day.
Request a QuoteMaterial Engineering
Not sure EN AW-7012 is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.