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C17200 Copper Beryllium-TH04 Rod and bar: MIL-HDBK-5J Design Allowables

Material classBeryllium
Alloy / temper / formC17200 Copper Beryllium / TH04 / Rod and bar
SpecificationsAMS 4651
HandbookMIL-HDBK-5J, 31 January 2003, section 7.3.2.0, Table 7.3.2.0(e) (pdf page 16 of the chapter file)
Dimension bands4
Density8249 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 band0.000–0.375 in (0–9.525 mm)0.376–1.000 in (9.55–25.4 mm)1.001–1.500 in (25.43–38.1 mm)1.501–2.000 in (38.13–50.8 mm)
SpecificationAMS 4651AMS 4651AMS 4651AMS 4651
BasisSSSS
Ftu, MPaL1276124112071207
ST………1165
Fty, MPaL999.7999.7999.7999.7
ST………965.3
Fcy, MPaL…102010201020
ST………1062
Fsu, MPaL…613.6620.5641.2
ST………641.2
Fbru (e/D = 1.5), MPaL…166916201620
ST………1620
Fbru (e/D = 2.0), MPaL…211020552055
ST………2055
Fbry (e/D = 1.5), MPaL…142714271427
ST………1427
Fbry (e/D = 2.0), MPaL…155115511551
ST………1551
e, %L1122
ST…………
E, GPa127.6127.6127.6127.6
Ec, GPa128.9128.9128.9128.9
G, GPa50.3350.3350.3350.33
ν0.270.270.270.27
ρ, kg/m³8249824982498249

Effect of Temperature

The handbook maps no temperature-effect figure to this table.

Other C17200 Copper Beryllium Tables

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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.