AZ91E (M11919) Magnesium

Magnesium Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density1.7g/cm³

Elastic Modulus46GPa

Tensile Strength160 to 260MPa

Yield Strength96 to 130MPa

Brinell Hardness75HB

Maximum Service Temperature130°C

Weight Calculator

Chemical Composition

0 to 0.0010%

0.17 to 0.35%

0 to 0.2%

0 to 0.015%

8.1 to 9.3%

88.8 to 91.3%

RES.

Residuals res. | | 0 to 0.3%

RESIDUALS RES.

0 to 0.3%

0.4 to 1.0%

0 to 0.0050%

Mechanical

Compressive (Crushing) Strength

310 to 410 MPa

Elastic (Young's, Tensile) Modulus

46 GPa

Elongation at Break

2.5 to 6.2 %

Fatigue Strength

81 to 85 MPa

Fracture Toughness

13 MPa-m 1/2

Impact Strength: V-Notched Charpy

0.79 to 2.8 J

Poisson's Ratio

0.29

Shear Modulus

18 GPa

Shear Strength

89 to 150 MPa

Tensile Strength: Ultimate (UTS)

160 to 260 MPa

Tensile Strength: Yield (Proof)

96 to 130 MPa

Hardness

Brinell Hardness

Physical

Density

1.7 g/cm 3

Thermal

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

130 °C

Melting Completion (Liquidus)

600 °C

Melting Onset (Solidus)

500 °C

Solidification (Pattern Maker's) Shrinkage

1.3 %

Specific Heat Capacity

990 J/kg-K

Thermal Conductivity

84 W/m-K

Thermal Diffusivity

49 mm 2 /s

Thermal Expansion

27 µm/m-K

Thermal Shock Resistance

9.0 to 15 points

Electrical

Electrical Conductivity: Equal Volume

10 to 12 % IACS

Electrical Conductivity: Equal Weight (Specific)

52 to 60 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

3.4 to 12 MJ/m 3

Resilience: Unit (Modulus of Resilience)

100 to 190 kJ/m 3

Stiffness to Weight: Axial

15 points

Stiffness to Weight: Bending

69 points

Strength to Weight: Axial

25 to 42 points

Strength to Weight: Bending

37 to 53 points

Environmental

Base Metal Price

12 % relative

Embodied Carbon

22 kg CO 2 /kg material

Embodied Energy

160 MJ/kg

Embodied Energy

160 MJ/kg 67 x 10 3 BTU/lb

Embodied Water

990 L/kg

Embodied Water

990 L/kg 120 gal/lb

Registered Designations & Aliases

AZ91E (M11919) MagnesiumM11919

Standards

ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings

ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014. Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993

ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings

ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings