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7075-T6, T6510, T6511, and T62 Extrusion (rod, bar, and shapes): MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7075 / T6, T6510, T6511, and T62 / Extrusion (rod, bar, and shapes)
Specifications	AMS-QQ-A-200/11
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.6.0, Table 3.7.6.0(g) (pdf page 385 of the chapter file)
Dimension bands	8
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		0.000–0.249 in, area 0–20 in2		0.250–0.499 in, area 0–20 in2		0.500–0.749 in, area 0–20 in2		0.750–1.499 in, area 0–20 in2		1.500–2.999 in, area 0–20 in2		3.000–4.499 in, area 0–20 in2		3.000–4.499 in, area 0–32 in2	4.500–5.000 in, area 0–32 in2
Specification		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11	AMS-QQ-A-200/11
Basis		A	B	A	B	A	B	A	B	A	B	A	B	S	A	B
F_tu, ksi	L	78	82	81	85	81	85	81	85	81	85	81	84	78	78	81
	LT	75	79	78	82	77	81	75	79	71	75	67	69	64	63	65
	ST	…	…	…	…	…	…	…	…	67	71	67	69	64	63	65
F_ty, ksi	L	70	74	73	77	72	76	72	76	72	76	71	74	70	68	71
	LT	66	70	69	72	67	71	65	69	61	65	56	59	55	52	55
	ST	…	…	…	…	…	…	…	…	56	59	55	58	55	52	55
F_cy, ksi	L	70	74	73	77	72	76	72	76	72	76	71	74	70	68	71
	LT	72	76	74	78	73	77	71	75	67	71	62	64	61	57	60
	ST	…	…	…	…	…	…	…	…	62	66	62	64	61	57	60
F_su, ksi	L	41	44	43	45	43	45	43	45	42	44	40	42	39	38	40
	LT	41	44	43	45	43	45	43	45	42	44	40	42	39	38	40
	ST	…	…	…	…	…	…	…	…	42	44	40	42	39	38	40
F_bru (e/D = 1.5), ksi	L	111	117	115	121	115	120	113	119	110	115	106	110	102	101	105
	LT	111	117	115	121	115	120	113	119	110	115	106	110	102	101	105
	ST	…	…	…	…	…	…	…	…	110	115	106	110	102	101	105
F_bru (e/D = 2.0), ksi	L	140	148	146	153	145	152	144	151	141	148	137	142	132	131	136
	LT	140	148	146	153	145	152	144	151	141	148	137	142	132	131	136
	ST	…	…	…	…	…	…	…	…	141	148	137	142	132	131	136
F_bry (e/D = 1.5), ksi	L	92	97	96	101	94	99	93	98	89	94	84	88	83	79	83
	LT	92	97	96	101	94	99	93	98	89	94	84	88	83	79	83
	ST	…	…	…	…	…	…	…	…	89	94	84	88	83	79	83
F_bry (e/D = 2.0), ksi	L	108	114	113	119	111	117	110	116	106	112	101	105	100	95	100
	LT	108	114	113	119	111	117	110	116	106	112	101	105	100	95	100
	ST	…	…	…	…	…	…	…	…	106	112	101	105	100	95	100
e, %	L	7	7	7	7	7	7	7	…	7	7	7	…	6	6	6
	LT	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…
	ST	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…
E, Msi		10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4	10.4
E_c, Msi		10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7	10.7
G, Msi		4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
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	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	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-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.