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328.0 Aluminum vs. M1A Magnesium

328.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 328.0 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, % 1.6 to 2.1
5.5
Fatigue Strength, MPa 55 to 80
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 200 to 270
230
Tensile Strength: Yield (Proof), MPa 120 to 170
130

Thermal Properties

Latent Heat of Fusion, J/g 510
350
Maximum Temperature: Mechanical, °C 180
95
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 890
990
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
35
Electrical Conductivity: Equal Weight (Specific), % IACS 99
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 7.8
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1070
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.0
11
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 200
180
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 51
71
Strength to Weight: Axial, points 21 to 28
38
Strength to Weight: Bending, points 28 to 34
49
Thermal Diffusivity, mm2/s 50
88
Thermal Shock Resistance, points 9.2 to 12
13

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 1.0 to 2.0
0 to 0.050
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0.2 to 0.6
97.2 to 98.8
Manganese (Mn), % 0.2 to 0.6
1.2 to 2.0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Silicon (Si), % 7.5 to 8.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0
0 to 0.3