C17200 Copper Beryllium-TH04 Rod and bar: MIL-HDBK-5J Design Allowables
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| Material class | Beryllium |
| Alloy / temper / form | C17200 Copper Beryllium / TH04 / Rod and bar |
| Specifications | AMS 4651 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 7.3.2.0, Table 7.3.2.0(e) (pdf page 16 of the chapter file) |
| Dimension bands | 4 |
| Density | 0.298 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 | 0.000–0.375 in | 0.376–1.000 in | 1.001–1.500 in | 1.501–2.000 in | |
|---|---|---|---|---|---|
| Specification | AMS 4651 | AMS 4651 | AMS 4651 | AMS 4651 | |
| Basis | S | S | S | S | |
| Ftu, ksi | L | 185 | 180 | 175 | 175 |
| ST | … | … | … | 169 | |
| Fty, ksi | L | 145 | 145 | 145 | 145 |
| ST | … | … | … | 140 | |
| Fcy, ksi | L | … | 148 | 148 | 148 |
| ST | … | … | … | 154 | |
| Fsu, ksi | L | … | 89 | 90 | 93 |
| ST | … | … | … | 93 | |
| Fbru (e/D = 1.5), ksi | L | … | 242 | 235 | 235 |
| ST | … | … | … | 235 | |
| Fbru (e/D = 2.0), ksi | L | … | 306 | 298 | 298 |
| ST | … | … | … | 298 | |
| Fbry (e/D = 1.5), ksi | L | … | 207 | 207 | 207 |
| ST | … | … | … | 207 | |
| Fbry (e/D = 2.0), ksi | L | … | 225 | 225 | 225 |
| ST | … | … | … | 225 | |
| e, % | L | 1 | 1 | 2 | 2 |
| ST | … | … | … | … | |
| E, Msi | 18.5 | 18.5 | 18.5 | 18.5 | |
| Ec, Msi | 18.7 | 18.7 | 18.7 | 18.7 | |
| G, Msi | 7.3 | 7.3 | 7.3 | 7.3 | |
| ν | 0.27 | 0.27 | 0.27 | 0.27 | |
| ρ, lb/in3 | 0.298 | 0.298 | 0.298 | 0.298 | |
Effect of Temperature
The handbook maps no temperature-effect figure to this table.
Other C17200 Copper Beryllium Tables
- C17200 Copper Beryllium-TF00 Rod and bar (Table 7.3.2.0(d))
- C17200 Copper Beryllium-TH04 Rod and bar (Table 7.3.4.0(f))
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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.