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ISO-WD32250 Magnesium vs. 7010 Aluminum

ISO-WD32250 magnesium belongs to the magnesium alloys classification, while 7010 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is ISO-WD32250 magnesium and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 4.5 to 8.6
3.9 to 6.8
Fatigue Strength, MPa 170 to 210
160 to 190
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
26
Shear Strength, MPa 180 to 190
300 to 340
Tensile Strength: Ultimate (UTS), MPa 310 to 330
520 to 590
Tensile Strength: Yield (Proof), MPa 240 to 290
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 340
380
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 980
860
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 1.8
3.0
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 950
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 26
22 to 33
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 930
1230 to 2130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 67
45
Strength to Weight: Axial, points 49 to 51
47 to 54
Strength to Weight: Bending, points 58 to 60
47 to 52
Thermal Diffusivity, mm2/s 72
58
Thermal Shock Resistance, points 19 to 20
22 to 26

Alloy Composition

Aluminum (Al), % 0
87.9 to 90.6
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0
1.5 to 2.0
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 94.9 to 97.1
2.1 to 2.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 2.5 to 4.0
5.7 to 6.7
Zirconium (Zr), % 0.45 to 0.8
0.1 to 0.16
Residuals, % 0
0 to 0.15