AZ31B-F Extruded bar, rod, and / solid shapes: MIL-HDBK-5J Design Allowables
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| Material class | Magnesium Alloy |
| Alloy / temper / form | AZ31B / F / Extruded bar, rod, and / solid shapes |
| Specifications | ASTM B 107 |
| Handbook | MIL-HDBK-5J, 31 January 2003, section 4.2.1.0, Table 4.2.1.0(d) (pdf page 9 of the chapter file) |
| Dimension bands | 4 |
| Density | 0.0639 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 | 0.000–0.249 in | 0.250–1.499 in | 1.500–2.499 in | 2.500–4.999 in | |
|---|---|---|---|---|---|
| Specification | ASTM B 107 | ASTM B 107 | ASTM B 107 | ASTM B 107 | |
| Basis | S | S | S | S | |
| Ftu, ksi | L | 35 | 35 | 34 | 32 |
| Fty, ksi | L | 21 | 22 | 22 | 20 |
| Fcy, ksi | L | … | 12 | 12 | 10 |
| Fsu, ksi | L | 17 | 17 | 17 | … |
| Fbru (e/D = 1.5), ksi | L | 36 | 36 | 36 | … |
| Fbru (e/D = 2.0), ksi | L | 45 | 45 | 45 | … |
| Fbry (e/D = 1.5), ksi | L | 23 | 23 | 23 | … |
| Fbry (e/D = 2.0), ksi | L | 23 | 23 | 23 | … |
| e, % | L | 7 | 7 | 7 | 7 |
| E, Msi | 6.5 | 6.5 | 6.5 | 6.5 | |
| Ec, Msi | 6.5 | 6.5 | 6.5 | 6.5 | |
| G, Msi | 2.4 | 2.4 | 2.4 | 2.4 | |
| ν | 0.35 | 0.35 | 0.35 | 0.35 | |
| ρ, lb/in3 | 0.0639 | 0.0639 | 0.0639 | 0.0639 | |
Effect of Temperature
The handbook maps no temperature-effect figure to this table.
Other AZ31B Tables
- AZ31B-F Extruded / hollow shapes (Table 4.2.1.0(d))
- AZ31B-F Extruded tube (Table 4.2.1.0(d))
- AZ31B-F Forging (Table 4.2.1.0(d))
- AZ31B-H24 Plate (Table 4.2.1.0(b))
- AZ31B-H24 Sheet (Table 4.2.1.0(b))
- AZ31B-H26 Plate (Table 4.2.1.0(c))
- AZ31B-O Plate (Table 4.2.1.0(b))
- AZ31B-O Sheet (Table 4.2.1.0(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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.