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EN AC-46300 Aluminum vs. M1A Magnesium

EN AC-46300 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-46300 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, % 1.1
5.5
Fatigue Strength, MPa 79
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 200
230
Tensile Strength: Yield (Proof), MPa 110
130

Thermal Properties

Latent Heat of Fusion, J/g 490
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 530
580
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
35
Electrical Conductivity: Equal Weight (Specific), % IACS 84
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 7.7
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1060
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
11
Resilience: Unit (Modulus of Resilience), kJ/m3 89
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
71
Strength to Weight: Axial, points 20
38
Strength to Weight: Bending, points 27
49
Thermal Diffusivity, mm2/s 47
88
Thermal Shock Resistance, points 9.1
13

Alloy Composition

Aluminum (Al), % 84 to 90
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 3.0 to 4.0
0 to 0.050
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
97.2 to 98.8
Manganese (Mn), % 0.2 to 0.65
1.2 to 2.0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Silicon (Si), % 6.5 to 8.0
0 to 0.1
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.65
0
Residuals, % 0
0 to 0.3