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6101B-T6 Aluminum vs. AM100A-T6 Magnesium

6101B-T6 aluminum belongs to the aluminum alloys classification, while AM100A-T6 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 6101B-T6 aluminum and the bottom bar is AM100A-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 9.1
2.3
Fatigue Strength, MPa 70
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 150
150
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 180
120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 630
460
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 210
73
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57
11
Electrical Conductivity: Equal Weight (Specific), % IACS 190
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 1190
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
70
Strength to Weight: Axial, points 25
43
Strength to Weight: Bending, points 32
54
Thermal Diffusivity, mm2/s 87
43
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 98.2 to 99.3
9.3 to 10.7
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0.1 to 0.3
0
Magnesium (Mg), % 0.35 to 0.6
87.9 to 90.6
Manganese (Mn), % 0 to 0.050
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.3 to 0.6
0 to 0.3
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0
0 to 0.3