Table 7.5.2.0: (b). Design Mechanical and Physical Properties of 7475-T761 Aluminum Alloy, Aramid Fiber Reinforced, Sheet Laminate

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

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Specification	AMS 4302
Form	Aramid fiber reinforced sheet laminate
Laminate lay-up	2/1	3/2	4/3	5/4
Nominal thickness, in	0.032	0.053	0.074	0.094
Basis	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	103	111	114^a	116
LT	56	51	50	48
F_ty, ksi:
L	76	82	82^a	84^a
LT	48	43	42	40
F_cy, ksi:
L	46	46	44	44
LT	51	48	47^a	45
F_su^a, ksi	35	33	33	32
F_sy^a, ksi	24	23	22	21
F_bru^b, ksi:
L (e/D = 1.5)	91	83	84	82
LT (e/D = 1.5)	96	85^a	86^a	80^a
L (e/D = 2.0)	104	87	88	84
LT (e/D = 2.0)	108	88	86	80
F_bry^b, ksi:
L (e/D = 1.5)	73	70	66^a	69
LT (e/D = 1.5)	76	69^a	69	67
L (e/D = 2.0)	83	81	77	79
LT (e/D = 2.0)	84	76	75	72^a
e_i^c, percent:
L	1.5	1.8^a	1.7^a	1.8
LT	6.1	6.4	6.3	6.6^a
E, 10³ ksi:
L	9.8	9.9	10.0	9.8^a
LT	7.7	7.1	6.7^a	6.7
E_c, 10³ ksi:
L	9.6	9.6	9.6	9.7^a
LT	7.8	7.3	7.0	6.9
G, 10³ ksi:
L	2.8	2.6	2.3^a	2.3^a
LT	2.6	2.4	2.3	2.3
μ:
L	0.35	0.35	0.35	0.35
LT	0.25	0.25	0.25	0.25
Physical Properties:
ω, lb/in.³	0.085	0.083	0.082	0.081
C, K, and α

MIL-HDBK-5J

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

Hover any section to copy its link or text, ask Copilot about it, or bookmark it.

Specification	AMS 4302
Form	Aramid fiber reinforced sheet laminate
Laminate lay-up	2/1	3/2	4/3	5/4
Nominal thickness, in	0.032	0.053	0.074	0.094
Basis	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	103	111	114^a	116
LT	56	51	50	48
F_ty, ksi:
L	76	82	82^a	84^a
LT	48	43	42	40
F_cy, ksi:
L	46	46	44	44
LT	51	48	47^a	45
F_su^a, ksi	35	33	33	32
F_sy^a, ksi	24	23	22	21
F_bru^b, ksi:
L (e/D = 1.5)	91	83	84	82
LT (e/D = 1.5)	96	85^a	86^a	80^a
L (e/D = 2.0)	104	87	88	84
LT (e/D = 2.0)	108	88	86	80
F_bry^b, ksi:
L (e/D = 1.5)	73	70	66^a	69
LT (e/D = 1.5)	76	69^a	69	67
L (e/D = 2.0)	83	81	77	79
LT (e/D = 2.0)	84	76	75	72^a
e_i^c, percent:
L	1.5	1.8^a	1.7^a	1.8
LT	6.1	6.4	6.3	6.6^a
E, 10³ ksi:
L	9.8	9.9	10.0	9.8^a
LT	7.7	7.1	6.7^a	6.7
E_c, 10³ ksi:
L	9.6	9.6	9.6	9.7^a
LT	7.8	7.3	7.0	6.9
G, 10³ ksi:
L	2.8	2.6	2.3^a	2.3^a
LT	2.6	2.4	2.3	2.3
μ:
L	0.35	0.35	0.35	0.35
LT	0.25	0.25	0.25	0.25
Physical Properties:
ω, lb/in.³	0.085	0.083	0.082	0.081
C, K, and α