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7050-T7452 Hand Forging: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7050 / T7452 / Hand Forging
Specifications	AMS 4108 and AMS-A-22771
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.4.0, Table 3.7.4.0(d) (pdf page 328 of the chapter file)
Dimension bands	7
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		0–2 in	2.001–3.000 in	3.001–4.000 in	4.001–5.000 in	5.001–6.000 in	6.001–7.000 in		7.001–8.000 in
Specification		AMS 4108 and AMS-A-22771	AMS 4108 and AMS-A-22771	AMS 4108 and AMS-A-22771	AMS 4108 and AMS-A-22771	AMS 4108 and AMS-A-22771	AMS 4108 and AMS-A-22771		AMS 4108 and AMS-A-22771
Basis		S	S	S	S	S	A	B	S
F_tu, ksi	L	72	72	71	70	69	68	71	67
	LT	71	70	70	69	68	67	70	66
	ST	…	67	67	66	66	65	69	64
F_ty, ksi	L	63	62	61	60	59	56	61	57
	LT	61	60	59	58	56	54	59	52
	ST	…	55	55	54	53	51	56	50
F_cy, ksi	L	63	62	61	60	58	56	61	54
	LT	64	63	62	61	59	57	62	55
	ST	…	63	61	60	58	56	61	54
F_su, ksi	L	42	41	41	41	40	40	41	39
	LT	42	41	41	41	40	40	41	39
	ST	…	41	41	41	40	40	41	39
F_bru (e/D = 1.5), ksi	L	98	97	97	96	94	93	97	91
	LT	98	97	97	96	94	93	97	91
	ST	…	97	97	96	94	93	97	91
F_bru (e/D = 2.0), ksi	L	131	129	129	127	125	123	129	121
	LT	131	129	129	127	125	123	129	121
	ST	…	129	129	127	125	123	129	121
F_bry (e/D = 1.5), ksi	L	86	84	83	82	79	76	83	73
	LT	86	84	83	82	79	76	83	73
	ST	…	84	83	82	79	76	83	73
F_bry (e/D = 2.0), ksi	L	101	100	98	96	93	90	98	86
	LT	101	100	98	96	93	90	98	86
	ST	…	100	98	96	93	90	98	86
e, %	L	9	9	9	9	9	9	9	9
	LT	5	5	5	4	4	4	4	4
	ST	…	4	4	3	3	3	3	3
E, Msi		10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2
E_c, Msi		10.6	10.6	10.6	10.6	10.6	10.6	10.6	10.6
G, Msi		3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9
ν		0.33	0.33	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	0.102	0.102

Effect of Temperature

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

Other 7050 Tables

7050-T73511 Extrusion (Table 3.7.4.0(e))
7050-T74 Die forging (Table 3.7.4.0(c))
7050-T7451 Plate (Table 3.7.4.0(b))
7050-T74511 Extrusion (Table 3.7.4.0(e))
7050-T7452 Die forgings (Table 3.7.4.0(c))
7050-T7651 Plate (Table 3.7.4.0(b))
7050-T76511 Extrusion (Table 3.7.4.0(e))

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.