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5454 Aluminum vs. M1A Magnesium

5454 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 5454 aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 2.3 to 18
5.5
Fatigue Strength, MPa 83 to 160
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140 to 200
120
Tensile Strength: Ultimate (UTS), MPa 230 to 350
230
Tensile Strength: Yield (Proof), MPa 97 to 290
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 34
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 8.6
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3 to 34
11
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 590
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 23 to 36
38
Strength to Weight: Bending, points 30 to 41
49
Thermal Diffusivity, mm2/s 55
88
Thermal Shock Resistance, points 10 to 16
13

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0
Calcium (Ca), % 0
0 to 0.3
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 2.4 to 3.0
97.2 to 98.8
Manganese (Mn), % 0.5 to 1.0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.3