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A206.0-T4 Aluminum vs. AZ91E-T4 Magnesium

A206.0-T4 aluminum belongs to the aluminum alloys classification, while AZ91E-T4 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is A206.0-T4 aluminum and the bottom bar is AZ91E-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
75
Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 10
6.2
Fatigue Strength, MPa 120
85
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 260
140
Tensile Strength: Ultimate (UTS), MPa 390
250
Tensile Strength: Yield (Proof), MPa 250
98

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 670
600
Melting Onset (Solidus), °C 550
500
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 130
84
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
10
Electrical Conductivity: Equal Weight (Specific), % IACS 90
52

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
12
Resilience: Unit (Modulus of Resilience), kJ/m3 440
110
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
69
Strength to Weight: Axial, points 36
40
Strength to Weight: Bending, points 39
51
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
8.1 to 9.3
Copper (Cu), % 4.2 to 5.0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.0050
Magnesium (Mg), % 0 to 0.15
88.8 to 91.3
Manganese (Mn), % 0 to 0.2
0.17 to 0.35
Nickel (Ni), % 0 to 0.050
0 to 0.0010
Silicon (Si), % 0 to 0.050
0 to 0.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0.4 to 1.0
Residuals, % 0
0 to 0.3