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EN-MC65210 Magnesium vs. 7175 Aluminum

EN-MC65210 magnesium belongs to the magnesium alloys classification, while 7175 aluminum belongs to the aluminum alloys. There are 28 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 EN-MC65210 magnesium and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.8
3.8 to 5.9
Fatigue Strength, MPa 110
150 to 180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
290 to 330
Tensile Strength: Ultimate (UTS), MPa 270
520 to 570
Tensile Strength: Yield (Proof), MPa 200
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 340
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 540
480
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Density, g/cm3 2.0
3.0
Embodied Carbon, kg CO2/kg material 27
8.2
Embodied Energy, MJ/kg 220
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 450
1310 to 1730
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
46
Strength to Weight: Axial, points 38
48 to 52
Strength to Weight: Bending, points 47
48 to 51
Thermal Diffusivity, mm2/s 58
53
Thermal Shock Resistance, points 17
23 to 25

Alloy Composition


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Aluminum (Al), % 0
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.030
1.2 to 2.0
Iron (Fe), % 0 to 0.010
0 to 0.2
Magnesium (Mg), % 92.6 to 95.6
2.1 to 2.9
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.15
Silver (Ag), % 2.0 to 3.0
0
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
5.1 to 6.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15