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240.0 Aluminum vs. M1A Magnesium

240.0 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 (1, in this case) are not shown.

For each property being compared, the top bar is 240.0 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
5.5
Fatigue Strength, MPa 140
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 240
230
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 520
580
Specific Heat Capacity, J/kg-K 860
990
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
35
Electrical Conductivity: Equal Weight (Specific), % IACS 65
190

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 3.2
1.7
Embodied Carbon, kg CO2/kg material 8.7
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1100
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
11
Resilience: Unit (Modulus of Resilience), kJ/m3 280
180
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 43
71
Strength to Weight: Axial, points 20
38
Strength to Weight: Bending, points 26
49
Thermal Diffusivity, mm2/s 35
88
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 7.0 to 9.0
0 to 0.050
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 5.5 to 6.5
97.2 to 98.8
Manganese (Mn), % 0.3 to 0.7
1.2 to 2.0
Nickel (Ni), % 0.3 to 0.7
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.3