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6012-T4 Aluminum vs. AM100A-T4 Magnesium

6012-T4 aluminum belongs to the aluminum alloys classification, while AM100A-T4 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6012-T4 aluminum and the bottom bar is AM100A-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 11
6.8
Fatigue Strength, MPa 55
55
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 130
150
Tensile Strength: Ultimate (UTS), MPa 220
260
Tensile Strength: Yield (Proof), MPa 110
78

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 570
460
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 160
73
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 8.2
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
14
Resilience: Unit (Modulus of Resilience), kJ/m3 94
66
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 48
70
Strength to Weight: Axial, points 22
43
Strength to Weight: Bending, points 29
53
Thermal Diffusivity, mm2/s 62
43
Thermal Shock Resistance, points 10
16

Alloy Composition

Aluminum (Al), % 92.2 to 98
9.3 to 10.7
Bismuth (Bi), % 0 to 0.7
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
87.9 to 90.6
Manganese (Mn), % 0.4 to 1.0
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.6 to 1.4
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0 to 0.3
Residuals, % 0
0 to 0.3