EN AW-7150 · AlZn6CuMgZr(A)
An upper-wing alloy developed beyond 7050: the T77 aging path delivers 7075-T6-beating strength together with corrosion resistance the T6 temper never had — flying on modern large transports.
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.12 |
| Fe | ≤ 0.15 |
| Cu | 1.9 – 2.5 |
| Mn | ≤ 0.10 |
| Mg | 2.0 – 2.7 |
| Zn | 5.9 – 6.9 |
| Zr | 0.08 – 0.15 |
| 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) | 23.0 µm/m·K |
| Elastic modulus | 71.7 GPa |
| Thermal conductivity | 140 W/m·K |
| Electrical conductivity | 33 % 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) |
|---|---|---|---|---|
| T6151 | 540 | 600 | 8 | 160 |
| T61511 (extr.) | 540 | 600 | 8 | 160 |
| T7751 | 560 | 615 | 7 | 165 |
| T77511 (extr.) | 570 | 625 | 7 | 168 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | AlZn6CuMgZr(A) |
| EN numeric | EN AW-7150 |
| UNS | A97150 |
| Werkstoff-Nr. | — |
| Common product standards | AMS 4252, AMS 4306, AMS 4307, AMS 4345 · UNS A97150 |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Plate | AMS 4306 | 7150 | T6151 | Aerospace & Defense |
| Plate | AMS 4252 | 7150 | T7751 | Aerospace & Defense |
| Bar / Flat | AMS 4307 | 7150 | T61511 | Aerospace & Defense |
| Tube / Profile / Extrusion | AMS 4345 | 7150 | T77511 | Aerospace & Defense |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-7150 is the right answer
- Upper wing skins and stringers
- Fuselage crown structures
- High-compression airframe members
Specifying EN AW-7150?
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-7150 is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.