7475-lay-up 4/3 Aramid fiber reinforced sheet laminate: MIL-HDBK-5J Design Allowables
show US units (ksi, Msi, lb/in³) open the MIL-HDBK-5J tool compare against temperature find alternatives
| Material class | Hybrid |
| Alloy / temper / form | 7475 / lay-up 4/3 / Aramid fiber reinforced sheet laminate |
| Specifications | AMS 4302 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 7.5.2.0, Table 7.5.2.0(b) (pdf page 42 of the chapter file) |
| Dimension bands | 1 |
| Density | 227 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 | 0.074–0.074 in (1.88–1.88 mm) | |
|---|---|---|
| Specification | AMS 4302 | |
| Basis | S | |
| Ftu, MPa | L | 786 |
| LT | 344.7 | |
| Fty, MPa | L | 565.4 |
| LT | 289.6 | |
| Fcy, MPa | L | 303.4 |
| LT | 324.1 | |
| Fsu, MPa | L | 227.5 |
| LT | 227.5 | |
| E, GPa | 68.95 | |
| Ec, GPa | 66.19 | |
| G, GPa | 2.413 | |
| ρ, kg/m³ | 2270 | |
Effect of Temperature
The handbook maps no temperature-effect figure to this table.
Other 7475 Tables
- 7475-lay-up 2/1 Aramid fiber reinforced sheet laminate (Table 7.5.2.0(b))
- 7475-lay-up 3/2 Aramid fiber reinforced sheet laminate (Table 7.5.2.0(b))
- 7475-lay-up 5/4 Aramid fiber reinforced sheet laminate (Table 7.5.2.0(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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.