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EN-MC32110 Magnesium vs. Grade 18 Titanium

EN-MC32110 magnesium belongs to the magnesium alloys classification, while grade 18 titanium 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 grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
110
Elongation at Break, % 2.2
11 to 17
Fatigue Strength, MPa 80
330 to 480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
40
Shear Strength, MPa 120
420 to 590
Tensile Strength: Ultimate (UTS), MPa 220
690 to 980
Tensile Strength: Yield (Proof), MPa 140
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 99
330
Melting Completion (Liquidus), °C 600
1640
Melting Onset (Solidus), °C 500
1590
Specific Heat Capacity, J/kg-K 950
550
Thermal Conductivity, W/m-K 120
8.3
Thermal Expansion, µm/m-K 26
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.1
4.5
Embodied Carbon, kg CO2/kg material 22
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 920
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1380 to 3110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
35
Strength to Weight: Axial, points 29
43 to 61
Strength to Weight: Bending, points 38
39 to 49
Thermal Diffusivity, mm2/s 58
3.4
Thermal Shock Resistance, points 12
47 to 67

Alloy Composition


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Aluminum (Al), % 0 to 0.2
2.5 to 3.5
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 0.25
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 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0 to 0.4