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C17200 Copper Beryllium-TF00 Rod and bar: MIL-HDBK-5J Design Allowables

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Material class	Beryllium
Alloy / temper / form	C17200 Copper Beryllium / TF00 / Rod and bar
Specifications	AMS 4650 and AMS 4533
Handbook	MIL-HDBK-5J, 31 January 2003, section 7.3.2.0, Table 7.3.2.0(d) (pdf page 15 of the chapter file)
Dimension bands	5
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		0.000–1.500 in	1.501–2.000 in	2.001–3.000 in	3.001–3.500 in	3.501–4.000 in
Specification		AMS 4650 and AMS 4533	AMS 4650 and AMS 4533	AMS 4650 and AMS 4533	AMS 4650 and AMS 4533	AMS 4650 and AMS 4533
Basis		S	S	S	S	S
F_tu, ksi	L	165	165	165	165	165
F_tu, ksi	ST	…	158	158	158	158
F_ty, ksi	L	140	140	140	140	140
F_ty, ksi	ST	…	137	137	137	137
F_cy, ksi	L	150	149	145	143	139
F_cy, ksi	ST	…	142	142	142	142
F_su, ksi	L	…	94	94	94	94
F_su, ksi	ST	…	94	94	94	94
F_bru (e/D = 1.5), ksi	L	226	226	226	226	226
F_bru (e/D = 1.5), ksi	ST	…	226	226	226	226
F_bru (e/D = 2.0), ksi	L	290	290	290	290	290
F_bru (e/D = 2.0), ksi	ST	…	290	290	290	290
F_bry (e/D = 1.5), ksi	L	200	200	200	200	200
F_bry (e/D = 1.5), ksi	ST	…	200	200	200	200
F_bry (e/D = 2.0), ksi	L	225	225	225	225	225
F_bry (e/D = 2.0), ksi	ST	…	225	225	225	225
e, %	L	4	4	4	3	3
e, %	ST	…	…	…	…	…
E, Msi		18.5	18.5	18.5	18.5	18.5
E_c, Msi		18.7	18.7	18.7	18.7	18.7
G, Msi		7.3	7.3	7.3	7.3	7.3
ν		0.27	0.27	0.27	0.27	0.27
ρ, lb/in3		0.298	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-TH04 Rod and bar (Table 7.3.2.0(e))
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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.