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EN-MC65120 Magnesium vs. Titanium 6-2-4-2

EN-MC65120 magnesium belongs to the magnesium alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
8.6
Fatigue Strength, MPa 80
490
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
40
Shear Strength, MPa 92
560
Tensile Strength: Ultimate (UTS), MPa 160
950
Tensile Strength: Yield (Proof), MPa 110
880

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 180
300
Melting Completion (Liquidus), °C 590
1590
Melting Onset (Solidus), °C 520
1540
Specific Heat Capacity, J/kg-K 970
540
Thermal Conductivity, W/m-K 100
6.9
Thermal Expansion, µm/m-K 26
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
42
Density, g/cm3 1.9
4.6
Embodied Carbon, kg CO2/kg material 25
32
Embodied Energy, MJ/kg 190
520
Embodied Water, L/kg 930
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
79
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
34
Strength to Weight: Axial, points 23
57
Strength to Weight: Bending, points 34
46
Thermal Diffusivity, mm2/s 56
2.8
Thermal Shock Resistance, points 9.8
67

Alloy Composition


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Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.010
0 to 0.25
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 0 to 0.010
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0
83.7 to 87.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
3.6 to 4.4
Residuals, % 0 to 0.010
0 to 0.4