EN AW-7076 · AlZn6Mg
A legacy zinc-rich alloy from the US forging tradition, retained in specification for propeller and rotor applications where its fatigue pedigree is documented over decades.
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.40 |
| Fe | ≤ 0.6 |
| Cu | 0.30 – 1.0 |
| Mn | 0.30 – 0.8 |
| Mg | 1.2 – 2.0 |
| Zn | 7.0 – 8.0 |
| Ti | ≤ 0.20 |
| 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 – 635 °C |
| Thermal expansion (20–100 °C) | 23.6 µm/m·K |
| Elastic modulus | 71 GPa |
| Thermal conductivity | 130 W/m·K |
| Electrical conductivity | 32 % 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) |
|---|---|---|---|---|
| T61 | 470 | 540 | 8 | 145 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | AlZn6Mg |
| EN numeric | EN AW-7076 |
| UNS | A97076 |
| Werkstoff-Nr. | — |
| Common product standards | ASTM B209 · UNS A97076 · legacy US aerospace forging grade |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Sheet | ASTM B209 | 7076 | T61 | Aerospace & Defense |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-7076 is the right answer
- Propeller blades and hubs
- Legacy aircraft forgings
- Rotorcraft components
Specifying EN AW-7076?
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-7076 is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.