Table 4.2.2.0: (b). Design Mechanical and Physical Properties of AZ61A Magnesium Alloy Extrusion and Forging

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

Last Updated 29 Oct 2026

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Specification	AMS 4350					ASTM B 91
Form	Extruded bar, rod, and solid shapes			Extruded hollow shapes	Extruded tube	Forging
Temper	F
Thickness, in.	<0.249	0.250- 2.499	2.500- 4.499^a	All	0.028- 0.750^b
Basis	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	38	40	40	36	36	38
LT
F_ty, ksi:
L	21	24	22	16	16	22
LT
F_cy, ksi:
L	14	14	14	11	11	14
LT
F_su, ksi	19	19				19
F_bru, ksi:
(e/D = 1.5)	45	45				50
(e/D = 2.0)	55	55				60
F_bry, ksi:
(e/D = 1.5)	28	28				28
(e/D = 2.0)	32	32				32
e, percent:
L	8	9	7	7	7	6
E, 10³ ksi	6.3
E, 10³ ksi	6.3
G, 10³ ksi	2.4
μ	0.31
Physical Properties:
ω, lb/in.³	0.0647
C, Btu/(lb)(°F)	0.25 (at 78°F)^d
K, Btu/[(hr)(ft²)(°F)/ft]	46 (212 to 572°F)
α, 10^-6 in./in./°F	14 (65 to 212°F)

MIL-HDBK-5J

31 January 2003

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 4350					ASTM B 91
Form	Extruded bar, rod, and solid shapes			Extruded hollow shapes	Extruded tube	Forging
Temper	F
Thickness, in.	<0.249	0.250- 2.499	2.500- 4.499^a	All	0.028- 0.750^b
Basis	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	38	40	40	36	36	38
LT
F_ty, ksi:
L	21	24	22	16	16	22
LT
F_cy, ksi:
L	14	14	14	11	11	14
LT
F_su, ksi	19	19				19
F_bru, ksi:
(e/D = 1.5)	45	45				50
(e/D = 2.0)	55	55				60
F_bry, ksi:
(e/D = 1.5)	28	28				28
(e/D = 2.0)	32	32				32
e, percent:
L	8	9	7	7	7	6
E, 10³ ksi	6.3
E, 10³ ksi	6.3
G, 10³ ksi	2.4
μ	0.31
Physical Properties:
ω, lb/in.³	0.0647
C, Btu/(lb)(°F)	0.25 (at 78°F)^d
K, Btu/[(hr)(ft²)(°F)/ft]	46 (212 to 572°F)
α, 10^-6 in./in./°F	14 (65 to 212°F)

31 January 2003