7175-T66 Die forging: MIL-HDBK-5J Design Allowables
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| Material class | Aluminum |
| Alloy / temper / form | 7175 / T66 / Die forging |
| Specifications | AMS 4148 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 3.7.8.0, Table 3.7.8.0(b) (pdf page 440 of the chapter file) |
| Dimension bands | 1 |
| Density | 0.101 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 | 0–3 in | |
|---|---|---|
| Specification | AMS 4148 | |
| Basis | S | |
| Ftu, ksi | L | 86 |
| LT | 77 | |
| Fty, ksi | L | 76 |
| LT | 66 | |
| e, % | L | 7 |
| LT | 4 | |
| E, Msi | 10.2 | |
| Ec, Msi | 10.7 | |
| G, Msi | 3.9 | |
| ν | 0.33 | |
| ρ, lb/in3 | 0.101 | |
Effect of Temperature
The handbook maps no temperature-effect figure to this table.
Other 7175 Tables
- 7175-T73511 Extrusion (Table 3.7.8.0(d))
- 7175-T74 Hand forging (Table 3.7.8.0(c))
- 7175-T7452 Hand forging (Table 3.7.8.0(c))
- 7175-T74a,b Die forging (Table 3.7.8.0(b))
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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.