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5083 Aluminum vs. M1A Magnesium

5083 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 (3, in this case) are not shown.

For each property being compared, the top bar is 5083 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 1.1 to 17
5.5
Fatigue Strength, MPa 93 to 190
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170 to 220
120
Tensile Strength: Ultimate (UTS), MPa 290 to 390
230
Tensile Strength: Yield (Proof), MPa 110 to 340
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 190
95
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 580
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
35
Electrical Conductivity: Equal Weight (Specific), % IACS 96
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.9
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 42
11
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 860
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 29 to 40
38
Strength to Weight: Bending, points 36 to 44
49
Thermal Diffusivity, mm2/s 48
88
Thermal Shock Resistance, points 12 to 17
13

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 4.0 to 4.9
97.2 to 98.8
Manganese (Mn), % 0.4 to 1.0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.3