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EN AC-46000 Aluminum vs. M1A Magnesium

EN AC-46000 aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-46000 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 1.0
5.5
Fatigue Strength, MPa 110
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 160
130

Thermal Properties

Latent Heat of Fusion, J/g 530
350
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 530
580
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
35
Electrical Conductivity: Equal Weight (Specific), % IACS 82
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.6
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
11
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
71
Strength to Weight: Axial, points 26
38
Strength to Weight: Bending, points 33
49
Thermal Diffusivity, mm2/s 42
88
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 79.7 to 90
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 2.0 to 4.0
0 to 0.050
Iron (Fe), % 0 to 1.3
0
Lead (Pb), % 0 to 0.35
0
Magnesium (Mg), % 0.050 to 0.55
97.2 to 98.8
Manganese (Mn), % 0 to 0.55
1.2 to 2.0
Nickel (Ni), % 0 to 0.55
0 to 0.010
Silicon (Si), % 8.0 to 11
0 to 0.1
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.2
0
Residuals, % 0
0 to 0.3