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EN-MC35110 Magnesium vs. 771.0 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 771.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC35110 magnesium and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
85 to 120
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
1.7 to 6.5
Fatigue Strength, MPa 110
92 to 180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 230
250 to 370
Tensile Strength: Yield (Proof), MPa 150
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 970
870
Thermal Conductivity, W/m-K 110
140 to 150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
82

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 24
8.0
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 940
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310 to 900
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
46
Strength to Weight: Axial, points 34
23 to 35
Strength to Weight: Bending, points 44
29 to 39
Thermal Diffusivity, mm2/s 61
54 to 58
Thermal Shock Resistance, points 14
11 to 16

Alloy Composition


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Aluminum (Al), % 0
90.5 to 92.5
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.15
Magnesium (Mg), % 92 to 95.4
0.8 to 1.0
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
Titanium (Ti), % 0
0.1 to 0.2
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
6.5 to 7.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15