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7075-T6 and T62 Clad sheet: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7075 / T6 and T62 / Clad sheet
Specifications	AMS-QQ-A-250/13
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.6.0, Table 3.7.6.0(c) (pdf page 376 of the chapter file)
Dimension bands	5
Density	0.101 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		0.008–0.011 in	0.012–0.039 in		0.040–0.062 in		0.063–0.187 in		0.188–0.249 in
Specification		AMS-QQ-A-250/13	AMS-QQ-A-250/13		AMS-QQ-A-250/13		AMS-QQ-A-250/13		AMS-QQ-A-250/13
Basis		S	A	B	A	B	A	B	A	B
F_tu, ksi	L	…	70	74	71	75	73	77	75	77
F_tu, ksi	LT	68	70	74	71	75	73	77	75	77
F_ty, ksi	L	…	62	65	63	66	65	69	66	68
F_ty, ksi	LT	58	60	63	61	64	63	67	64	66
F_cy, ksi	L	…	61	64	62	65	64	68	65	67
F_cy, ksi	LT	…	64	67	65	68	67	71	68	70
F_su, ksi	L	…	42	44	42	45	44	46	45	46
F_su, ksi	LT	…	42	44	42	45	44	46	45	46
F_bru (e/D = 1.5), ksi	L	…	108	115	110	116	113	119	116	119
F_bru (e/D = 1.5), ksi	LT	…	108	115	110	116	113	119	116	119
F_bru (e/D = 2.0), ksi	L	…	140	148	142	150	146	154	150	154
F_bru (e/D = 2.0), ksi	LT	…	140	148	142	150	146	154	150	154
F_bry (e/D = 1.5), ksi	L	…	90	94	91	96	94	100	96	99
F_bry (e/D = 1.5), ksi	LT	…	90	94	91	96	94	100	96	99
F_bry (e/D = 2.0), ksi	L	…	105	110	106	112	110	117	112	115
F_bry (e/D = 2.0), ksi	LT	…	105	110	106	112	110	117	112	115
e, %	L	…	…	…	…	…	…	…	…	…
e, %	LT	5	7	7	8	8	8	8	8	8
E, Msi		…	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3
E_c, Msi		…	10.5	10.5	10.5	10.5	10.5	10.5	10.5	10.5
ν		…	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33
ρ, lb/in3		…	0.101	0.101	0.101	0.101	0.101	0.101	0.101	0.101

Effect of Temperature

Percent of the room-temperature value against temperature, digitized from the handbook figures (the shortest exposure of each figure, every 10 °F). Strength curves give the allowable at temperature; "after exposure" curves give the room-temperature property after a soak at that temperature.

Strength allowables at temperature, percent of room temperature

Moduli at temperature

Elongation and exposure effects

°F	F_tu	F_ty	F_cy	F_su	F_bru	F_bry
-300	117.8	117.6
-200	110	110
-100	105.5	105.6
0	102.9	102.8
100	98.6	98.9	99.8	99.8	97.2	99.5
200	89.2	91.2	94.7	97	87.5	96.1
300	74.2	79	80.5	84.6	77.8	84.3
400	45.7	50	50.5	58.2	53.1	58.5
500	19.9	19.8	20.2	27.7	24.3	23.1
600		11.8	11.8	15.6		14.5

Factors in percent of the room-temperature allowable.

Other 7075 Tables

7075-T6 Clad sheet (Table 3.7.6.0(c))
7075-T6 Die forging (Table 3.7.6.0(e))
7075-T6 Hand forging (Table 3.7.6.0(f))
7075-T6 and T62 Sheet (Table 3.7.6.0(b))
7075-T6, T651, and T62 Bar, rod, and shapes: rolled, drawn, or cold-finished (Table 3.7.6.0(d))
7075-T6, T6510, T6511, and T62 Extrusion (rod, bar, and shapes) (Table 3.7.6.0(g))
7075-T62 Clad plate (Table 3.7.6.0(c))
7075-T62 Plate (Table 3.7.6.0(b))
7075-T651 Clad plate (Table 3.7.6.0(c))
7075-T651 Plate (Table 3.7.6.0(b))
7075-T652 Die forging (Table 3.7.6.0(e))
7075-T652 Hand forging (Table 3.7.6.0(f))
7075-T73 Hand forging (Table 3.7.6.0(f))
7075-T73 Sheet (Table 3.7.6.0(b))
7075-T7351 Plate (Table 3.7.6.0(b))
7075-T7352 Die forging (Table 3.7.6.0(e))
7075-T7352 Hand forging (Table 3.7.6.0(f))
7075-T73a, T73510, T73511 Extrusion (rod, bars, and shapes) (Table 3.7.6.0(g))
7075-T73a,b Die forging (Table 3.7.6.0(e))
7075-T73b or T7351 Bar, rod, and shapes: rolled, drawn, or cold-finished (Table 3.7.6.0(d))
7075-T76 Clad sheet (Table 3.7.6.0(c))
7075-T76 Sheet and plate (Table 3.7.6.0(b))
7075-T76, T76510, T76511 Extrusion (rod, bar, and shapes) (Table 3.7.6.0(g))
7075-T7651 Clad plate (Table 3.7.6.0(c))
7075-T7651 Sheet and plate (Table 3.7.6.0(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.