MakeItFrom.com
Menu (ESC)

AZ91E Magnesium vs. EN AC-42000 Aluminum

AZ91E magnesium belongs to the magnesium alloys classification, while EN AC-42000 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AZ91E magnesium and the bottom bar is EN AC-42000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
59 to 91
Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 2.5 to 6.2
1.1 to 2.4
Fatigue Strength, MPa 81 to 85
67 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 160 to 260
170 to 270
Tensile Strength: Yield (Proof), MPa 96 to 130
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 500
600
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 84
160
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10 to 12
38
Electrical Conductivity: Equal Weight (Specific), % IACS 52 to 60
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4 to 12
2.8 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 190
64 to 370
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 69
53
Strength to Weight: Axial, points 25 to 42
18 to 28
Strength to Weight: Bending, points 37 to 53
26 to 35
Thermal Diffusivity, mm2/s 49
66
Thermal Shock Resistance, points 9.0 to 15
7.9 to 12

Alloy Composition

Aluminum (Al), % 8.1 to 9.3
89.9 to 93.3
Copper (Cu), % 0 to 0.015
0 to 0.2
Iron (Fe), % 0 to 0.0050
0 to 0.55
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 88.8 to 91.3
0.2 to 0.65
Manganese (Mn), % 0.17 to 0.35
0 to 0.35
Nickel (Ni), % 0 to 0.0010
0 to 0.15
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.4 to 1.0
0 to 0.15
Residuals, % 0
0 to 0.15

Comparable Variants