7049/7149-T73511 Extrusion: MIL-HDBK-5J Design Allowables
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| Material class | Aluminum |
| Alloy / temper / form | 7049/7149 / T73511 / Extrusion |
| Specifications | AMS 4157 and AMS 4343 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 3.7.3.0, Table 3.7.3.0(e) (pdf page 309 of the chapter file) |
| Dimension bands | 3 |
| Density | 0.103 lb/in3 |
Design Mechanical and Physical Properties (room temperature)
As printed in the handbook table. Bases: A and B are statistical minimums (99 % and 90 % probability at 95 % confidence), S the specification minimum. Grain directions: L longitudinal, LT long transverse, ST short transverse.
| Dimension band | 0.000–2.499 in | 2.500–2.999 in | 3–5 in | |
|---|---|---|---|---|
| Specification | AMS 4157 and AMS 4343 | AMS 4157 and AMS 4343 | AMS 4157 and AMS 4343 | |
| Basis | S | S | S | |
| Ftu, ksi | L | 74 | 74 | 72 |
| LT | 70 | 70 | 68 | |
| ST | … | 70 | 68 | |
| Fty, ksi | L | 64 | 64 | 62 |
| LT | 60 | 60 | 58 | |
| ST | … | 60 | 58 | |
| Fcy, ksi | L | 65 | 65 | 63 |
| LT | … | … | … | |
| ST | … | … | … | |
| Fsu, ksi | L | 40 | 40 | 39 |
| LT | 40 | 40 | 39 | |
| ST | … | 40 | 39 | |
| Fbru (e/D = 1.5), ksi | L | 110 | 110 | 107 |
| LT | 110 | 110 | 107 | |
| ST | … | 110 | 107 | |
| Fbru (e/D = 2.0), ksi | L | 144 | 144 | 140 |
| LT | 144 | 144 | 140 | |
| ST | … | 144 | 140 | |
| Fbry (e/D = 1.5), ksi | L | 85 | 85 | 83 |
| LT | 85 | 85 | 83 | |
| ST | … | 85 | 83 | |
| Fbry (e/D = 2.0), ksi | L | 105 | 105 | 101 |
| LT | 105 | 105 | 101 | |
| ST | … | 105 | 101 | |
| e, % | L | 7 | 7 | 7 |
| LT | 5 | 5 | 5 | |
| ST | … | 5 | 5 | |
| E, Msi | 10.5 | 10.5 | 10.5 | |
| Ec, Msi | 11 | 11 | 11 | |
| G, Msi | 4 | 4 | 4 | |
| ν | 0.33 | 0.33 | 0.33 | |
| ρ, lb/in3 | 0.103 | 0.103 | 0.103 | |
Effect of Temperature
The handbook maps no temperature-effect figure to this table.
Other 7049/7149 Tables
- 7049/7149-T73 Die forging (Table 3.7.3.0(c))
- 7049/7149-T73 Hand forging (Table 3.7.3.0(d))
Source and Use
U.S. Department of Defense (2003). Metallic Materials and Elements for Aerospace Vehicle Structures. MIL-HDBK-5J, 31 January 2003 (public domain). The values are the handbook's design allowables as extracted from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ. No warranty is given.