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5754 Aluminum vs. M1A Magnesium

5754 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 5754 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, % 2.0 to 19
5.5
Fatigue Strength, MPa 66 to 140
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 120 to 190
120
Tensile Strength: Ultimate (UTS), MPa 200 to 330
230
Tensile Strength: Yield (Proof), MPa 80 to 280
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 190
95
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 600
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.7
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 32
11
Resilience: Unit (Modulus of Resilience), kJ/m3 47 to 580
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 21 to 34
38
Strength to Weight: Bending, points 28 to 39
49
Thermal Diffusivity, mm2/s 54
88
Thermal Shock Resistance, points 8.9 to 14
13

Alloy Composition

Aluminum (Al), % 94.2 to 97.4
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 2.6 to 3.6
97.2 to 98.8
Manganese (Mn), % 0 to 0.5
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 0.2
0
Residuals, % 0
0 to 0.3