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7055-T76511 Extrusion: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7055 / T76511 / Extrusion
Specifications	AMS 4336
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.5.0, Table 3.7.5.0(c) (pdf page 365 of the chapter file)
Dimension bands	2
Density	0.103 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		0.250–0.499 in
Specification		AMS 4336		AMS 4336
Basis		A	B	A	B
F_tu, ksi	L	89	91	90	94
F_tu, ksi	LT	83	85	84	87
F_ty, ksi	L	85	87	85	91
F_ty, ksi	LT	79	81	79	85
F_cy, ksi	L	84	86	85	91
F_cy, ksi	LT	86	88	86	92
F_su, ksi	L	46	47	47	49
F_su, ksi	LT	46	47	47	49
F_bru (e/D = 1.5), ksi	L	122	125	124	129
F_bru (e/D = 1.5), ksi	LT	122	125	124	129
F_bru (e/D = 2.0), ksi	L	160	163	161	169
F_bru (e/D = 2.0), ksi	LT	160	163	161	169
F_bry (e/D = 1.5), ksi	L	105	107	105	112
F_bry (e/D = 1.5), ksi	LT	105	107	105	112
F_bry (e/D = 2.0), ksi	L	124	127	124	132
F_bry (e/D = 2.0), ksi	LT	124	127	124	132
e, %	L	7	9	9	9
e, %	LT	…	…	…	…
E, Msi		10.4	10.4	10.4	10.4
E_c, Msi		10.8	10.8	10.8	10.8
G, Msi		3.9	3.9	3.9	3.9
ν		0.33	0.33	0.33	0.33
ρ, lb/in3		0.103	0.103	0.103	0.103

Effect of Temperature

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

Other 7055 Tables

7055-T74511 Extrusion (Table 3.7.5.0(b))
7055-T7751 Plate (Table 3.7.5.0(d))
7055-T77511 Extrusion (Table 3.7.5.0(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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.