Aerospace Aluminum Alloys
Aerospace Alloys
United Aluminum can supply these alloys, sometimes referred to in the group of “Aerospace Alloys” for their practical applications in the aviation industry. Aluminum has many benefits over other materials, including a high strength to weight ratio, corrosion resistance, formability, and price. Alloy 6061, 7075, and 2024 are engineered to be lightweight and strong, and their ease of formability allows complex shapes and drawn parts, which can then be further enhanced with heat treating. United Aluminum can offer Custom Rolled® Aluminum Coil Strip in these alloys to meet your requirements.
6061, 7075, 2024 Chemical Composition
Chemical Composition Limits for Aluminum Alloys
Composition in percent by weight according to The Aluminum Association. The values associates maximum limits unless shown as a range or a minimum.
|
Alloy |
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Others Each |
Others Total |
Al. Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6061 | 0.40- 0.8 |
0.7 | 0.15- 0.40 |
0.15 | 0.8- 1.2 |
0.04- 0.35 |
0.25 | 0.15 | 0.05 | 0.15 | Rem. |
| 7075 | 0.40 | 0.50 | 1.2-2.0 | 0.30 | 2.1- 2.9 |
0.18- 0.28 |
5.1- 6.1 |
0.20 | 0.05 | 0.15 | Rem. |
| 2024 | 0.50 | 0.50 | 3.8-4.9 | 0.30-0.9 | 1.2- 1.8 |
0.10 | 0.25 | 0.15 | 0.05 | 0.15 | Rem. |
6061, 7075, 2024 Mechanical Properties
Typical Mechanical Properties
The following typical properties are not guaranteed since most cases they are averages for various sizes and methods of manufacture and may not be exactly representative of any particular product or size. The data is intended for comparing alloys and tempers and should not be used for design purposes.
|
Tensile Strength |
Yield Strength |
Elongation (%) for the following gauge ranges: |
Tensile Strength |
Yield Strength |
Elongation (%) for the following gauge ranges: |
||||
|---|---|---|---|---|---|---|---|---|---|
|
Alloy |
Temper |
(ksi) |
(ksi) |
0.010-0.050 |
0.051-.125 |
(MPa) |
(MPa) |
0.25-1.25mm |
1.26-3.0mm |
| 6061 | O | 18 | 8 | 25 | 26 | 124.1 | 55.2 | 25 | 26 |
| T4 | 35 | 21 | 22 | 24 | 241.3 | 144.8 | 22 | 24 | |
| T6 | 45 | 40 | 12 | 17 | 310.3 | 275.8 | 12 | 17 | |
| 7075 | O | 33 | 15 | 16 | 18 | 227.5 | 103.4 | 16 | 18 |
| T6 | 83 | 73 | 11 | 12 | 572.3 | 503.3 | 11 | 12 | |
| 2024 | O | 27 | 11 | 18 | 20 | 186.2 | 75.8 | 18 | 20 |
| T3 | 70 | 50 | 16 | 18 | 482.6 | 344.7 | 16 | 18 | |
| T4 | 68 | 47 | 20 | 19 | 468.8 | 324.1 | 20 | 19 | |
Aluminum Specification Cross Reference
|
Alloy |
Form |
ASTM |
AMS |
ASME |
|---|---|---|---|---|
| 6061 | Aluminum Coil | ASTM-B209 | 4025, 4026, 4027AMS-QQ-A-250/11 | SB-209 |
| Aluminum Strip | ASTM-B209 | 4025, 4026, 4027AMS-QQ-A-250/11 | SB-209 | |
| Aluminum Plate | ASTM-B209 | 4025, 4026, 4027AMS-QQ-A-250/11 | SB-209 | |
| 7075 | Aluminum Coil | ASTM-B209 | 4044, 4045, 4078AMS-QQ-A-250/12AMS-QQ-A-250/24 | |
| Aluminum Strip | ASTM-B209 | 4044, 4045, 4078AMS-QQ-A-250/12AMS-QQ-A-250/24 | ||
| Aluminum Plate | ASTM-B209 | 4044, 4045, 4078AMS-QQ-A-250/12AMS-QQ-A-250/24 | ||
| 2024 | Aluminum Coil | ASTM-B209 | 4035, 4037 | |
| Aluminum Strip | ASTM-B209 | 4035, 4037 | ||
| Aluminum Plate | ASTM-B209 | 4035, 4037 |