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EN AC-45300 Aluminum vs. M1A Magnesium

EN AC-45300 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-45300 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 1.0 to 2.8
5.5
Fatigue Strength, MPa 59 to 72
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 220 to 290
230
Tensile Strength: Yield (Proof), MPa 150 to 230
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 590
580
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
11
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 23 to 29
38
Strength to Weight: Bending, points 30 to 35
49
Thermal Diffusivity, mm2/s 60
88
Thermal Shock Resistance, points 10 to 13
13

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 1.0 to 1.5
0 to 0.050
Iron (Fe), % 0 to 0.65
0
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.35 to 0.65
97.2 to 98.8
Manganese (Mn), % 0 to 0.55
1.2 to 2.0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Silicon (Si), % 4.5 to 5.5
0 to 0.1
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0
0 to 0.3