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6151 Aluminum vs. EN-MC65210 Magnesium

6151 aluminum belongs to the aluminum alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 28 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 6151 aluminum and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 1.1 to 5.7
2.8
Fatigue Strength, MPa 80 to 100
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 190 to 200
150
Tensile Strength: Ultimate (UTS), MPa 330 to 340
270
Tensile Strength: Yield (Proof), MPa 270 to 280
200

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 590
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 170
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
25
Electrical Conductivity: Equal Weight (Specific), % IACS 150
110

Otherwise Unclassified Properties

Density, g/cm3 2.7
2.0
Embodied Carbon, kg CO2/kg material 8.2
27
Embodied Energy, MJ/kg 150
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 18
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 580
450
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
59
Strength to Weight: Axial, points 34
38
Strength to Weight: Bending, points 39
47
Thermal Diffusivity, mm2/s 70
58
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 95.6 to 98.8
0
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.35
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.010
Magnesium (Mg), % 0.45 to 0.8
92.6 to 95.6
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.6 to 1.2
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.25
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010