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7150-T7751 Plate: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7150 / T7751 / Plate
Specifications	AMS 4252
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.7.0, Table 3.7.7.0(b) (pdf page 429 of the chapter file)
Dimension bands	4

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	0.500–0.749 in	0.750–1.500 in	1.501–3.000 in
Specification		AMS 4252	AMS 4252	AMS 4252	AMS 4252
Basis		S	S	S	A	B
F_tu, ksi	L	80	83	84	82	84
	LT	80	83	84	82	84
	ST	…	…	…	77	81
F_ty, ksi	L	74	77	78	76	78
	LT	74	76	77	75	77
	ST	…	…	…	67	71
F_cy, ksi	L	74	76	77	75	77
	LT	77	79	81	79	82
	ST	…	…	…	…	…
F_su, ksi	L	46	47	48	47	48
	LT	46	47	48	47	48
	ST	…	…	…	47	48
F_bru (e/D = 1.5), ksi	L	119	124	125	122	125
	LT	119	124	125	122	125
	ST	…	…	…	122	125
F_bru (e/D = 2.0), ksi	L	154	160	162	158	162
	LT	154	160	162	158	162
	ST	…	…	…	158	162
F_bry (e/D = 1.5), ksi	L	102	105	106	104	108
	LT	102	105	106	104	108
	ST	…	…	…	104	108
F_bry (e/D = 2.0), ksi	L	117	120	121	118	123
	LT	117	120	121	118	123
	ST	…	…	…	118	123
e, %	L	8	8	8	7	7
	LT	8	8	8	6	6
	ST	…	…	…	1	1
E, Msi		10.3	10.3	10.3	10.3	10.3
E_c, Msi		10.7	10.7	10.7	10.7	10.7
G, Msi		3.9	3.9	3.9	3.9	3.9
ν		0.33	0.33	0.33	0.33	0.33

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-T77511 Extrusion (Table 3.7.7.0(c))

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from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ.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.