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EQ21A Magnesium vs. 535.0 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 535.0 aluminum belongs to the aluminum alloys. There are 31 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 EQ21A magnesium and the bottom bar is 535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
70
Elastic (Young's, Tensile) Modulus, GPa 44
67
Elongation at Break, % 2.4
10
Fatigue Strength, MPa 110
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 150
190
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 560
570
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 980
910
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
79

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 27
9.4
Embodied Energy, MJ/kg 210
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
24
Resilience: Unit (Modulus of Resilience), kJ/m3 410
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
51
Strength to Weight: Axial, points 37
28
Strength to Weight: Bending, points 47
35
Thermal Diffusivity, mm2/s 62
42
Thermal Shock Resistance, points 15
12

Alloy Composition


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Aluminum (Al), % 0
91.5 to 93.6
Beryllium (Be), % 0
0.0030 to 0.0070
Boron (B), % 0
0 to 0.0050
Copper (Cu), % 0.050 to 0.1
0 to 0.050
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 93.9 to 96.8
6.2 to 7.5
Manganese (Mn), % 0
0.1 to 0.25
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0.1 to 0.25
Unspecified Rare Earths, % 1.5 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15