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Grade 16 Titanium vs. WE54A Magnesium

Grade 16 titanium belongs to the titanium alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 grade 16 titanium and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 23
4.3 to 5.6
Fatigue Strength, MPa 240
98 to 130
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
17
Shear Strength, MPa 250
150 to 170
Tensile Strength: Ultimate (UTS), MPa 400
270 to 300
Tensile Strength: Yield (Proof), MPa 340
180

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
570
Specific Heat Capacity, J/kg-K 540
960
Thermal Conductivity, W/m-K 22
52
Thermal Expansion, µm/m-K 9.2
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
47

Otherwise Unclassified Properties

Density, g/cm3 4.5
1.9
Embodied Carbon, kg CO2/kg material 36
29
Embodied Energy, MJ/kg 600
260
Embodied Water, L/kg 230
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 550
360 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
62
Strength to Weight: Axial, points 25
39 to 43
Strength to Weight: Bending, points 27
49 to 51
Thermal Diffusivity, mm2/s 8.9
28
Thermal Shock Resistance, points 29
18 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.030
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.010
Titanium (Ti), % 98.8 to 99.96
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3