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EN-MC32110 Magnesium vs. Titanium 6-6-2

EN-MC32110 magnesium belongs to the magnesium alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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-MC32110 magnesium and the bottom bar is titanium 6-6-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
120
Elongation at Break, % 2.2
6.7 to 9.0
Fatigue Strength, MPa 80
590 to 670
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
44
Shear Strength, MPa 120
670 to 800
Tensile Strength: Ultimate (UTS), MPa 220
1140 to 1370
Tensile Strength: Yield (Proof), MPa 140
1040 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
310
Melting Completion (Liquidus), °C 600
1610
Melting Onset (Solidus), °C 500
1560
Specific Heat Capacity, J/kg-K 950
540
Thermal Conductivity, W/m-K 120
5.5
Thermal Expansion, µm/m-K 26
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
40
Density, g/cm3 2.1
4.8
Embodied Carbon, kg CO2/kg material 22
29
Embodied Energy, MJ/kg 150
470
Embodied Water, L/kg 920
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
89 to 99
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
34
Strength to Weight: Axial, points 29
66 to 79
Strength to Weight: Bending, points 38
50 to 57
Thermal Diffusivity, mm2/s 58
2.1
Thermal Shock Resistance, points 12
75 to 90

Alloy Composition


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Aluminum (Al), % 0 to 0.2
5.0 to 6.0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 2.4 to 3.0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.050
0.35 to 1.0
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Molybdenum (Mo), % 0
5.0 to 6.0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
82.8 to 87.8
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0 to 0.4