Table 4.2.1.0: (a). Material Specifications · MIL-HDBK-5J

for AZ31B Magnesium Alloy

The temper index for AZ31B is as follows:

4.2.1.0 (b). Design Mechanical and Physical Properties of AZ31B Magnesium Alloy Sheet and Plate

31 January 2003

Specification	ASTM B 107							ASTM B 91
Form	Extruded bar, rod, and solid shapes				Extruded hollow shapes	Extruded tube		Forging
Temper	F
Thickness, in.	≤0.249	0.250 1.499	1.500- 2.499	2.500- 4.999	All	0.028- 0.250^b	0.251- 0.750^b
Basis	S	S	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	35	35	34	32	32	32	32	34
LT
F_ty, ksi:
L	21	22	22	20	16	16	16	19
LT
F_cy, ksi:
L		12	12	10	10	10	10
LT
F_su, ksi	17	17	17
F_bru^b, ksi:
(e/D = 1.5)	36	36	36
(e/D = 2.0)	45	45	45
F_bry, ksi:
(e/D = 1.5)	23	23	23
(e/D = 2.0)	23	23	23
e, percent:
L		7	7	7	8	8	4	6
E, 10³ ksi					6.5
E_c, 10³ ksi					6.5
G, 10³ ksi					2.4
μ					0.35
Physical Properties:
ω, lb/in.³					0.0639
C, K, and α					See Figure 4.2.1.0

Specification

Form

AMS 4375

Sheet and plate

AMS 4376

Plate

AMS 4377

Sheet and plate

ASTM B 107

Extrusion

ASTM B 91

Forging

Section

Temper

4.2.1.1

4.2.1.2

H24

4.2.1.3

H26

4.2.1.4

4.2.1.0 (b). Design Mechanical and Physical Properties of AZ31B Magnesium Alloy Sheet and Plate

31 January 2003

4.2.1.0 (c). Design Mechanical and Physical Properties of AZ31B Magnesium Alloy Plate

4.2.1.0 (d). Design Mechanical and Physical Properties of AZ31B Magnesium Alloy Extrusion and Forging

Specification	ASTM B 107							ASTM B 91
Form	Extruded bar, rod, and solid shapes				Extruded hollow shapes	Extruded tube		Forging
Temper	F
Thickness, in.	≤0.249	0.250 1.499	1.500- 2.499	2.500- 4.999	All	0.028- 0.250^b	0.251- 0.750^b
Basis	S	S	S	S	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	35	35	34	32	32	32	32	34
LT
F_ty, ksi:
L	21	22	22	20	16	16	16	19
LT
F_cy, ksi:
L		12	12	10	10	10	10
LT
F_su, ksi	17	17	17
F_bru^b, ksi:
(e/D = 1.5)	36	36	36
(e/D = 2.0)	45	45	45
F_bry, ksi:
(e/D = 1.5)	23	23	23
(e/D = 2.0)	23	23	23
e, percent:
L		7	7	7	8	8	4	6
E, 10³ ksi					6.5
E_c, 10³ ksi					6.5
G, 10³ ksi					2.4
μ					0.35
Physical Properties:
ω, lb/in.³					0.0639
C, K, and α					See Figure 4.2.1.0