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EN-MC32110 Magnesium vs. Grade 5 Titanium

EN-MC32110 magnesium belongs to the magnesium alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 30 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 grade 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
110
Elongation at Break, % 2.2
8.6 to 11
Fatigue Strength, MPa 80
530 to 630
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
40
Shear Strength, MPa 120
600 to 710
Tensile Strength: Ultimate (UTS), MPa 220
1000 to 1190
Tensile Strength: Yield (Proof), MPa 140
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 99
330
Melting Completion (Liquidus), °C 600
1610
Melting Onset (Solidus), °C 500
1650
Specific Heat Capacity, J/kg-K 950
560
Thermal Conductivity, W/m-K 120
6.8
Thermal Expansion, µm/m-K 26
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 2.1
4.4
Embodied Carbon, kg CO2/kg material 22
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 920
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
3980 to 5880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
35
Strength to Weight: Axial, points 29
62 to 75
Strength to Weight: Bending, points 38
50 to 56
Thermal Diffusivity, mm2/s 58
2.7
Thermal Shock Resistance, points 12
76 to 91

Alloy Composition


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Aluminum (Al), % 0 to 0.2
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 2.4 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.050
0 to 0.4
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0 to 0.4