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EN-MC95310 Magnesium vs. 7204 Aluminum

EN-MC95310 magnesium belongs to the magnesium alloys classification, while 7204 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-MC95310 magnesium and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 2.2
11 to 13
Fatigue Strength, MPa 110
110 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 160
130 to 220
Tensile Strength: Ultimate (UTS), MPa 280
220 to 380
Tensile Strength: Yield (Proof), MPa 190
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 960
880
Thermal Conductivity, W/m-K 51
150
Thermal Expansion, µm/m-K 25
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
39
Electrical Conductivity: Equal Weight (Specific), % IACS 50
120

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 29
8.4
Embodied Energy, MJ/kg 260
150
Embodied Water, L/kg 900
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 420
110 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
47
Strength to Weight: Axial, points 40
21 to 36
Strength to Weight: Bending, points 49
28 to 40
Thermal Diffusivity, mm2/s 28
58
Thermal Shock Resistance, points 18
9.4 to 16

Alloy Composition


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Aluminum (Al), % 0
90.5 to 94.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.35
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
1.0 to 2.0
Manganese (Mn), % 0 to 0.15
0.2 to 0.7
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.3
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 1.5 to 4.0
0
Vanadium (V), % 0
0 to 0.1
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
4.0 to 5.0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15