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6061-T4 Aluminum vs. AM100A-T4 Magnesium

6061-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 (3, in this case) are not shown.

For each property being compared, the top bar is 6061-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, % 18
6.8
Fatigue Strength, MPa 96
55
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170
150
Tensile Strength: Ultimate (UTS), MPa 230
260
Tensile Strength: Yield (Proof), MPa 130
78

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 650
590
Melting Onset (Solidus), °C 580
460
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 170
73
Thermal Expansion, µm/m-K 24
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
14
Resilience: Unit (Modulus of Resilience), kJ/m3 120
66
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
70
Strength to Weight: Axial, points 23
43
Strength to Weight: Bending, points 30
53
Thermal Diffusivity, mm2/s 68
43
Thermal Shock Resistance, points 10
16

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
9.3 to 10.7
Chromium (Cr), % 0.040 to 0.35
0
Copper (Cu), % 0.15 to 0.4
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
87.9 to 90.6
Manganese (Mn), % 0 to 0.15
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0 to 0.3
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.3