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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 4534
Handbook	MIL-HDBK-5J, 31 January 2003, section 7.3.4.0, Table 7.3.4.0(f) (pdf page 17 of the chapter file)
Dimension bands	6
Density	8249 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		0.000–0.375 in (0–9.525 mm)		0.376–0.999 in (9.55–25.37 mm)		1.000–1.499 in (25.4–38.07 mm)		1.500–1.999 in (38.1–50.77 mm)		2.000–2.499 in (50.8–63.47 mm)		2.500–3.000 in (63.5–76.2 mm)
Specification		AMS 4534		AMS 4534		AMS 4534		AMS 4534		AMS 4534		AMS 4534
Basis		A	B	A	B	A	B	A	B	A	B	A	B
F_tu, MPa	L	1255	1296	1241	1282	1220	1269	1220	1262	1207	1248	1186	1227
F_tu, MPa	ST	…	…	…	…	…	…	1151	1193	1158	1200	1151	1193
F_ty, MPa	L	1082	1138	1062	1117	1034	1117	1034	1089	1014	1069	999.7	1048
F_ty, MPa	ST	…	…	…	…	…	…	999.7	1055	979.1	1034	965.3	1014
F_cy, MPa	L	…	…	1082	1145	1055	1131	1055	1117	1034	1089	1020	1069
F_cy, MPa	ST	…	…	…	…	…	…	1103	1158	1076	1138	1062	1117
F_su, MPa	L	…	…	613.6	634.3	627.4	655	648.1	668.8	655	675.7	648.1	661.9
F_su, MPa	ST	…	…	…	…	…	…	648.1	668.8	655	675.7	648.1	661.9
F_bru (e/D = 1.5), MPa	L	…	…	1669	1724	1641	1703	1641	1696	1620	1675	1593	1648
F_bru (e/D = 1.5), MPa	ST	…	…	…	…	…	…	1641	1696	1620	1675	1593	1648
F_bru (e/D = 2.0), MPa	L	…	…	2110	2186	2082	2158	2082	2151	2055	2124	2020	2089
F_bru (e/D = 2.0), MPa	ST	…	…	…	…	…	…	2082	2151	2055	2124	2020	2089
F_bry (e/D = 1.5), MPa	L	…	…	1517	1593	1475	1572	1475	1558	1448	1524	1427	1496
F_bry (e/D = 1.5), MPa	ST	…	…	…	…	…	…	1475	1558	1448	1524	1427	1496
F_bry (e/D = 2.0), MPa	L	…	…	1648	1731	1606	1710	1606	1689	1572	1655	1551	1627
F_bry (e/D = 2.0), MPa	ST	…	…	…	…	…	…	1606	1689	1572	1655	1551	1627
E, GPa		127.6	127.6	127.6	127.6	127.6	127.6	127.6	127.6	127.6	127.6	127.6	127.6
E_c, GPa		128.9	128.9	128.9	128.9	128.9	128.9	128.9	128.9	128.9	128.9	128.9	128.9
G, GPa		50.33	50.33	50.33	50.33	50.33	50.33	50.33	50.33	50.33	50.33	50.33	50.33
ν		0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27	0.27
ρ, kg/m³		8249	8249	8249	8249	8249	8249	8249	8249	8249	8249	8249	8249

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 7.3.2.0(e))

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.