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EN-MC35110 Magnesium vs. 7475 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 7475 aluminum belongs to the aluminum 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 EN-MC35110 magnesium and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
10 to 12
Fatigue Strength, MPa 110
190 to 210
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
26
Shear Strength, MPa 130
320 to 350
Tensile Strength: Ultimate (UTS), MPa 230
530 to 590
Tensile Strength: Yield (Proof), MPa 150
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 520
480
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
140 to 160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 130
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 18
10
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 940
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1390 to 1920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
46
Strength to Weight: Axial, points 34
49 to 55
Strength to Weight: Bending, points 44
48 to 52
Thermal Diffusivity, mm2/s 61
53 to 63
Thermal Shock Resistance, points 14
23 to 26

Alloy Composition

Aluminum (Al), % 0
88.6 to 91.6
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0 to 0.030
1.2 to 1.9
Iron (Fe), % 0 to 0.010
0 to 0.12
Magnesium (Mg), % 92 to 95.4
1.9 to 2.6
Manganese (Mn), % 0 to 0.15
0 to 0.060
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.1
Titanium (Ti), % 0
0 to 0.060
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
5.1 to 6.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15