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2024-T351 Clad flat sheet and plate: MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	2024 / T351 / Clad flat sheet and plate
Specifications	AMS-QQ-A-250/5
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.2.3.0, Table 3.2.3.0(e) (pdf page 75 of the chapter file)
Dimension bands	6
Density	0.1 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		1.001–1.500 in		1.501–2.000 in		2.001–3.000 in		3.001–4.000 in
Specification		AMS-QQ-A-250/5		AMS-QQ-A-250/5		AMS-QQ-A-250/5		AMS-QQ-A-250/5		AMS-QQ-A-250/5		AMS-QQ-A-250/5
Basis		A	B	A	B	A	B	A	B	A	B	A	B
F_tu, ksi	L	62	64	61	63	60	62	60	62	58	60	55	57
	LT	62	64	61	63	60	62	60	62	58	60	55	57
	ST	…	…	…	…	…	…	…	…	52	54	49	51
F_ty, ksi	L	46	48	45	48	45	48	45	47	44	46	39	41
	LT	40	42	40	42	40	42	40	42	40	42	39	41
	ST	…	…	…	…	…	…	…	…	38	40	38	39
F_cy, ksi	L	37	39	37	39	37	39	36	38	35	37	33	35
	LT	43	45	42	45	42	44	42	44	41	43	39	41
	ST	…	…	…	…	…	…	…	…	46	48	44	47
F_su, ksi	L	37	38	36	37	35	37	35	37	34	35	32	34
	LT	37	38	36	37	35	37	35	37	34	35	32	34
	ST	…	…	…	…	…	…	…	…	34	35	32	34
F_bru (e/D = 1.5), ksi	L	94	97	92	95	91	94	91	94	88	91	83	86
	LT	94	97	92	95	91	94	91	94	88	91	83	86
	ST	…	…	…	…	…	…	…	…	88	91	83	86
F_bru (e/D = 2.0), ksi	L	115	119	113	117	111	115	111	115	107	111	102	106
	LT	115	119	113	117	111	115	111	115	107	111	102	106
	ST	…	…	…	…	…	…	…	…	107	111	102	106
F_bry (e/D = 1.5), ksi	L	69	72	69	72	69	72	69	72	69	72	67	70
	LT	69	72	69	72	69	72	69	72	69	72	67	70
	ST	…	…	…	…	…	…	…	…	69	72	67	70
F_bry (e/D = 2.0), ksi	L	82	86	82	86	82	86	82	86	82	86	80	84
	LT	82	86	82	86	82	86	82	86	82	86	80	84
	ST	…	…	…	…	…	…	…	…	82	86	80	84
e, %	L	…	…	…	…	…	…	…	…	…	…	…	…
	LT	12	12	8	8	7	7	6	6	4	4	4	4
	ST	…	…	…	…	…	…	…	…	…	…	…	…
E, 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
E_c, Msi		10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9
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
ρ, lb/in3		0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1

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	111.6	118.5
-200	105.3	108.3
-100	103	103.6
0	101.6	102
100	98.9	98.9	99.3	98.9	99.3	99.6
200	92.4	93.9	96.6	94.8	96.5	98
300	83.9	87.4	92.4	89.6	91	95.2
400	74.5	77.7	85.7	81.9	79.4	88.8
500	43.8	51.6	67.1	54.4	53.9	63.7
600	22.5	26.9	37.9	25.8	29.9	34.9
700	12	14			15.8	16.7
800		8

Factors in percent of the room-temperature allowable.

Other 2024 Tables

2024-T3 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T3 Drawn tubing (Table 3.2.3.0(g))
2024-T3 Sheet (Table 3.2.3.0(b))
2024-T3, T3510, and T3511 Extruded bar, rod, and shapes (Table 3.2.3.0(j))
2024-T351 Bar and rod; rolled, drawn, or cold-finished (Table 3.2.3.0(i))
2024-T351 Plate (Table 3.2.3.0(b))
2024-T361 Bar and rod; rolled, drawn, or cold-finished (Table 3.2.3.0(i))
2024-T361 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T361 Plate (Table 3.2.3.0(b))
2024-T361 Sheet (Table 3.2.3.0(b))
2024-T4 Bar and rod; rolled, drawn, or cold-finished (Table 3.2.3.0(i))
2024-T4 Clad coiled sheet (Table 3.2.3.0(e))
2024-T4 Coiled Sheet (Table 3.2.3.0(b))
2024-T42 Bar and rod; rolled, drawn, or cold-finished (Table 3.2.3.0(i))
2024-T42 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T42 Drawn tubing (Table 3.2.3.0(g))
2024-T42 Extruded bar, rod, and shapes (Table 3.2.3.0(j))
2024-T42 Flat Sheet and Plate (Table 3.2.3.0(b))
2024-T6 Bar and rod; rolled, drawn, or cold finished (Table 3.2.3.0(i))
2024-T62 Bar and rod; rolled, drawn, or cold finished (Table 3.2.3.0(i))
2024-T62 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T62 Flat Sheet and Plate (Table 3.2.3.0(b))
2024-T72 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T72 Flat Sheet and Plate (Table 3.2.3.0(b))
2024-T81 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T81 Drawn tubing (Table 3.2.3.0(g))
2024-T81 Sheet (Table 3.2.3.0(b))
2024-T81, T8510, and T8511 Extruded bar, rod, and shapes (Table 3.2.3.0(j))
2024-T851 Bar and rod; rolled, drawn, or cold finished (Table 3.2.3.0(i))
2024-T851 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T851 Plate (Table 3.2.3.0(b))
2024-T861 Clad flat sheet and plate (Table 3.2.3.0(e))
2024-T861 Plate (Table 3.2.3.0(b))
2024-T861 Sheet (Table 3.2.3.0(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.