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384.0 Aluminum vs. M1A Magnesium

384.0 aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 384.0 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
45
Elongation at Break, % 2.5
5.5
Fatigue Strength, MPa 140
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Shear Strength, MPa 200
120
Tensile Strength: Ultimate (UTS), MPa 330
230
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 550
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 580
610
Melting Onset (Solidus), °C 530
580
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
35
Electrical Conductivity: Equal Weight (Specific), % IACS 69
190

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.9
1.7
Embodied Carbon, kg CO2/kg material 7.4
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1010
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
11
Resilience: Unit (Modulus of Resilience), kJ/m3 190
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
71
Strength to Weight: Axial, points 32
38
Strength to Weight: Bending, points 37
49
Thermal Diffusivity, mm2/s 39
88
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 3.0 to 4.5
0 to 0.050
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0 to 0.1
97.2 to 98.8
Manganese (Mn), % 0 to 0.5
1.2 to 2.0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Silicon (Si), % 10.5 to 12
0 to 0.1
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.3