MakeItFrom.com
Menu (ESC)

EQ21A Magnesium vs. 2618A Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 2618A aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 2.4
4.5
Fatigue Strength, MPa 110
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 150
260
Tensile Strength: Ultimate (UTS), MPa 250
440
Tensile Strength: Yield (Proof), MPa 190
410

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 560
560
Specific Heat Capacity, J/kg-K 980
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 1.9
3.0
Embodied Carbon, kg CO2/kg material 27
8.4
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
19
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
47
Strength to Weight: Axial, points 37
41
Strength to Weight: Bending, points 47
44
Thermal Diffusivity, mm2/s 62
59
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 0
91.5 to 95.2
Copper (Cu), % 0.050 to 0.1
1.8 to 2.7
Iron (Fe), % 0
0.9 to 1.4
Magnesium (Mg), % 93.9 to 96.8
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0 to 0.010
0.8 to 1.4
Silicon (Si), % 0
0.15 to 0.25
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0.4 to 1.0
0 to 0.25
Residuals, % 0 to 0.3
0 to 0.15