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7075-T651 Clad plate: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7075 / T651 / Clad plate
Specifications	AMS 4049 and 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 377 of the chapter file)
Dimension bands	7
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		0.250–0.499 in		0.500–1.000 in		1.001–2.000 in		2.001–2.500 in		2.501–3.000 in		3.001–3.500 in		3.501–4.000 in
Specification		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13		AMS 4049 and AMS-QQ-A-250/13
Basis		A	B	A	B	A	B	A	B	A	B	A	B	A	B
F_tu, ksi	L	74	76	75	77	74	76	73	75	69	71	68	70	64	66
	LT	75	77	76	78	75	77	74	76	70	72	69	71	65	67
	ST	…	…	…	…	…	…	70	71	66	68	65	67	61	63
F_ty, ksi	L	67	69	68	70	67	69	64	66	61	63	58	60	54	56
	LT	65	67	66	68	65	67	62	64	59	61	56	58	52	54
	ST	…	…	…	…	…	…	59	61	56	58	54	55	50	52
F_cy, ksi	L	65	67	66	68	64	66	60	62	57	58	53	55	49	51
	LT	69	71	70	72	69	71	65	68	62	64	59	61	55	57
	ST	…	…	…	…	…	…	67	70	64	66	61	63	57	59
F_su, ksi	L	42	43	42	44	42	44	43	44	41	42	40	42	38	39
	LT	42	43	42	44	42	44	43	44	41	42	40	42	38	39
	ST	…	…	…	…	…	…	43	44	41	42	40	42	38	39
F_bru (e/D = 1.5), ksi	L	113	116	114	117	113	116	111	114	105	108	104	107	98	101
	LT	113	116	114	117	113	116	111	114	105	108	104	107	98	101
	ST	…	…	…	…	…	…	111	114	105	108	104	107	98	101
F_bru (e/D = 2.0), ksi	L	139	143	141	145	139	143	137	141	130	134	128	132	121	124
	LT	139	143	141	145	139	143	137	141	130	134	128	132	121	124
	ST	…	…	…	…	…	…	137	141	130	134	128	132	121	124
F_bry (e/D = 1.5), ksi	L	94	97	97	100	97	100	95	98	90	94	86	89	80	84
	LT	94	97	97	100	97	100	95	98	90	94	86	89	80	84
	ST	…	…	…	…	…	…	95	98	90	94	86	89	80	84
F_bry (e/D = 2.0), ksi	L	111	114	113	116	113	117	110	113	105	109	100	104	93	97
	LT	111	114	113	116	113	117	110	113	105	109	100	104	93	97
	ST	…	…	…	…	…	…	110	113	105	109	100	104	93	97
e, %	L	…	…	…	…	…	…	…	…	…	…	…	…	…	…
	LT	9	9	7	7	6	6	5	5	5	5	5	5	3	3
	ST	…	…	…	…	…	…	…	…	…	…	…	…	…	…
E, Msi		10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3	10.3
E_c, Msi		10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6
ν		0.33	0.33	0.33	0.33	0.33	0.33	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	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 Clad sheet (Table 3.7.6.0(c))
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 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.