15-5PH-H1025 Bar: MIL-HDBK-5J Design Allowables
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| Material class | Steel |
| Alloy / temper / form | 15-5PH / H1025 / Bar |
| Specifications | AMS 5659 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 2.6.7.0, Table 2.6.7.0(b) (pdf page 169 of the chapter file) |
| Dimension bands | 1 |
| Density | 0.283 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 | 0–12 in | |
|---|---|---|
| Specification | AMS 5659 | |
| Basis | S | |
| Ftu, ksi | L | 155 |
| LT | 155 | |
| Fty, ksi | L | 145 |
| LT | 145 | |
| Fcy, ksi | L | 143 |
| LT | 143 | |
| Fsu, ksi | L | 97 |
| LT | 97 | |
| Fbru (e/D = 1.5), ksi | L | 263 |
| LT | 263 | |
| Fbru (e/D = 2.0), ksi | L | 332 |
| LT | 332 | |
| Fbry (e/D = 1.5), ksi | L | 211 |
| LT | 211 | |
| Fbry (e/D = 2.0), ksi | L | 250 |
| LT | 250 | |
| e, % | L | 12 |
| LT | 8 | |
| E, Msi | 28.5 | |
| Ec, Msi | 29.2 | |
| G, Msi | 11.2 | |
| ν | 0.27 | |
| ρ, lb/in3 | 0.283 | |
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
Moduli at temperature
| °F | F_tu | F_ty | F_cy |
|---|---|---|---|
| -300 | 128.4 | 128.4 | |
| -200 | 118.6 | 118.6 | |
| -100 | 111.1 | 111.1 | |
| 0 | 104.1 | 104.1 | |
| 100 | 98.9 | 98.9 | 97.8 |
| 200 | 94.4 | 94.4 | 92.5 |
| 300 | 91.1 | 90.3 | 89 |
| 400 | 88.3 | 86.4 | 86 |
| 500 | 85.8 | 82.9 | 83.4 |
| 600 | 83.4 | 79.4 | 80.6 |
| 700 | 81.4 | 76 | 77.1 |
| 800 | 72.3 |
Factors in percent of the room-temperature allowable.
Other 15-5PH Tables
- 15-5PH-H1025 Plate (Table 2.6.7.0(c))
- 15-5PH-H1075 Bar (Table 2.6.7.0(b))
- 15-5PH-H1100 Bar (Table 2.6.7.0(b))
- 15-5PH-H1150 Bar (Table 2.6.7.0(b))
- 15-5PH-H900 Bar (Table 2.6.7.0(b))
- 15-5PH-H925 Bar (Table 2.6.7.0(b))
- 15-5PH-H935 Investment casting (Table 2.6.7.0(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.