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7150-T77511 Extrusion: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7150 / T77511 / Extrusion
Specifications	AMS 4345
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.7.0, Table 3.7.7.0(c) (pdf page 431 of the chapter file)
Dimension bands	4
Density	0.102 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, area 0–20 in2		0.250–0.499 in, area 0–20 in2		0.500–0.749 in, area 0–20 in2	0.750–2.000 in, area 0–20 in2
Specification		AMS 4345		AMS 4345		AMS 4345	AMS 4345
Basis		A	B	A	B	S	S
F_tu, ksi	L	85	88	87	89	88	89
F_tu, ksi	LT	81	84	82	86	83	83
F_ty, ksi	L	78	83	82	84	83	84
F_ty, ksi	LT	74	79	76	79	79	78
F_cy, ksi	L	78	82	82	85	83	84
F_cy, ksi	LT	76	81	80	82	81	82
F_su, ksi	L	44	46	45	46	46	46
F_su, ksi	LT	44	46	45	46	46	46
F_bru (e/D = 1.5), ksi	L	122	126	124	127	125	123
F_bru (e/D = 1.5), ksi	LT	122	126	124	127	125	123
F_bru (e/D = 2.0), ksi	L	158	163	161	165	162	159
F_bru (e/D = 2.0), ksi	LT	158	163	161	165	162	159
F_bry (e/D = 1.5), ksi	L	100	106	105	108	106	108
F_bry (e/D = 1.5), ksi	LT	100	106	105	108	106	108
F_bry (e/D = 2.0), ksi	L	118	125	124	127	125	127
F_bry (e/D = 2.0), ksi	LT	118	125	124	127	125	127
e, %	L	7	7	8	…	9	8
e, %	LT	…	…	…	…	…	…
E, Msi		10.4	10.4	10.4	10.4	10.4	10.4
E_c, Msi		10.9	10.9	10.9	10.9	10.9	10.9
G, Msi		4	4	4	4	4	4
ν		0.33	0.33	0.33	0.33	0.33	0.33
ρ, lb/in3		0.102	0.102	0.102	0.102	0.102	0.102

Effect of Temperature

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

Other 7150 Tables

7150-T6151 Plate (Table 3.7.7.0(b))
7150-T61511 Extrusion (Table 3.7.7.0(c))
7150-T7751 Plate (Table 3.7.7.0(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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.