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EN AC-44300 Aluminum vs. M1A Magnesium

EN AC-44300 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-44300 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, % 1.1
5.5
Fatigue Strength, MPa 100
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 270
230
Tensile Strength: Yield (Proof), MPa 150
130

Thermal Properties

Latent Heat of Fusion, J/g 570
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 590
610
Melting Onset (Solidus), °C 580
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.5
1.7
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1050
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
11
Resilience: Unit (Modulus of Resilience), kJ/m3 150
180
Stiffness to Weight: Axial, points 16
15
Stiffness to Weight: Bending, points 55
71
Strength to Weight: Axial, points 29
38
Strength to Weight: Bending, points 36
49
Thermal Diffusivity, mm2/s 58
88
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0 to 0.55
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 10.5 to 13.5
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0
0 to 0.3