7049-T7351 Plate: MIL-HDBK-5J Design Allowables
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| Material class | Aluminum |
| Alloy / temper / form | 7049 / T7351 / Plate |
| Specifications | AMS 4200 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 3.7.3.0, Table 3.7.3.0(b) (pdf page 306 of the chapter file) |
| Dimension bands | 8 |
| Density | 2851 kg/m³ |
Design Mechanical and Physical Properties (room temperature)
Converted from the handbook table (ksi, Msi, lb/in³) and rounded to 4 significant figures; dimension bands in inches with mm in parentheses. 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 | 0.750–1.000 in (19.05–25.4 mm) | 1.001–1.500 in (25.43–38.1 mm) | 1.501–2.000 in (38.13–50.8 mm) | 2.001–2.500 in (50.83–63.5 mm) | 2.501–3.000 in (63.53–76.2 mm) | 3.001–4.000 in (76.23–101.6 mm) | 4.001–4.500 in (101.6–114.3 mm) | 4.501–5.000 in (114.3–127 mm) | |
|---|---|---|---|---|---|---|---|---|---|
| Specification | AMS 4200 | AMS 4200 | AMS 4200 | AMS 4200 | AMS 4200 | AMS 4200 | AMS 4200 | AMS 4200 | |
| Basis | S | S | S | S | S | S | S | S | |
| Ftu, MPa | L | … | … | 496.4 | 496.4 | 489.5 | 482.6 | 468.8 | 468.8 |
| LT | 510.2 | 503.3 | 503.3 | 503.3 | 496.4 | 482.6 | 468.8 | 468.8 | |
| ST | … | … | 475.7 | 475.7 | 468.8 | 448.2 | 434.4 | 434.4 | |
| Fty, MPa | L | … | … | 441.3 | 434.4 | 427.5 | 413.7 | 399.9 | 399.9 |
| LT | 448.2 | 441.3 | 441.3 | 434.4 | 427.5 | 413.7 | 399.9 | 399.9 | |
| ST | … | … | 406.8 | 399.9 | 393 | 386.1 | 372.3 | 372.3 | |
| Fcy, MPa | L | … | … | 441.3 | 434.4 | 427.5 | 413.7 | 399.9 | … |
| LT | … | … | 475.7 | 468.8 | 461.9 | 441.3 | 427.5 | … | |
| ST | … | … | 475.7 | 468.8 | 461.9 | 441.3 | 427.5 | … | |
| Fsu, MPa | L | … | … | 282.7 | 282.7 | 282.7 | 268.9 | 262 | … |
| LT | … | … | 282.7 | 282.7 | 282.7 | 268.9 | 262 | … | |
| ST | … | … | 282.7 | 282.7 | 282.7 | 268.9 | 262 | … | |
| Fbru (e/D = 1.5), MPa | L | … | … | … | 786 | 772.2 | 751.5 | 730.8 | … |
| LT | … | … | … | 786 | 772.2 | 751.5 | 730.8 | … | |
| ST | … | … | … | 786 | 772.2 | 751.5 | 730.8 | … | |
| Fbru (e/D = 2.0), MPa | L | … | … | … | 1007 | 992.8 | 965.3 | 937.7 | … |
| LT | … | … | … | 1007 | 992.8 | 965.3 | 937.7 | … | |
| ST | … | … | … | 1007 | 992.8 | 965.3 | 937.7 | … | |
| Fbry (e/D = 1.5), MPa | L | … | … | … | 627.4 | 613.6 | 592.9 | 572.3 | … |
| LT | … | … | … | 627.4 | 613.6 | 592.9 | 572.3 | … | |
| ST | … | … | … | 627.4 | 613.6 | 592.9 | 572.3 | … | |
| Fbry (e/D = 2.0), MPa | L | … | … | … | 730.8 | 717.1 | 696.4 | 668.8 | … |
| LT | … | … | … | 730.8 | 717.1 | 696.4 | 668.8 | … | |
| ST | … | … | … | 730.8 | 717.1 | 696.4 | 668.8 | … | |
| e, % | L | … | … | … | … | … | 6 | 6 | 5 |
| LT | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | |
| ST | … | … | … | … | … | 2 | 2 | 2 | |
| E, GPa | … | … | 69.64 | 69.64 | 69.64 | 69.64 | 69.64 | 69.64 | |
| Ec, GPa | … | … | 71.71 | 71.71 | 71.71 | 71.71 | 71.71 | 71.71 | |
| G, GPa | … | … | 26.89 | 26.89 | 26.89 | 26.89 | 26.89 | 26.89 | |
| ν | … | … | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | |
| ρ, kg/m³ | … | … | 2851 | 2851 | 2851 | 2851 | 2851 | 2851 | |
Effect of Temperature
Percent of the room-temperature value against temperature, digitized from the handbook figures (the shortest exposure of each figure, every 10 °F). Strength curves give the allowable at temperature; "after exposure" curves give the room-temperature property after a soak at that temperature.
Strength allowables at temperature, percent of room temperature
| °C | F_tu | F_ty | F_cy |
|---|---|---|---|
| 38 | 97.6 | 99 | 99 |
| 93 | 88 | 93.2 | 93.2 |
| 149 | 74.4 | 80.6 | 80.6 |
| 204 | 52.7 | 58.7 | 58.7 |
Factors in percent of the room-temperature allowable.
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.