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EN AC-45100 Aluminum vs. M1A Magnesium

EN AC-45100 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-45100 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.0 to 2.8
5.5
Fatigue Strength, MPa 82 to 99
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 300 to 360
230
Tensile Strength: Yield (Proof), MPa 210 to 320
130

Thermal Properties

Latent Heat of Fusion, J/g 470
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
35
Electrical Conductivity: Equal Weight (Specific), % IACS 95
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.9
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1100
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
11
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
71
Strength to Weight: Axial, points 30 to 35
38
Strength to Weight: Bending, points 35 to 39
49
Thermal Diffusivity, mm2/s 54
88
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Aluminum (Al), % 88 to 92.8
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 2.6 to 3.6
0 to 0.050
Iron (Fe), % 0 to 0.6
0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
97.2 to 98.8
Manganese (Mn), % 0 to 0.55
1.2 to 2.0
Nickel (Ni), % 0 to 0.1
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0 to 0.1
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.3