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EN-MC35110 Magnesium vs. 7076 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 7076 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC35110 magnesium and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
160
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
6.2
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
27
Shear Strength, MPa 130
310
Tensile Strength: Ultimate (UTS), MPa 230
530
Tensile Strength: Yield (Proof), MPa 150
460

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 520
460
Specific Heat Capacity, J/kg-K 970
860
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
35
Electrical Conductivity: Equal Weight (Specific), % IACS 130
100

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
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
31
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
45
Strength to Weight: Axial, points 34
49
Strength to Weight: Bending, points 44
48
Thermal Diffusivity, mm2/s 61
54
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.2
Copper (Cu), % 0 to 0.030
0.3 to 1.0
Iron (Fe), % 0 to 0.010
0 to 0.6
Magnesium (Mg), % 92 to 95.4
1.2 to 2.0
Manganese (Mn), % 0 to 0.15
0.3 to 0.8
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
7.0 to 8.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15