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Grade C-3 Titanium vs. ISO-WD32250 Magnesium

Grade C-3 titanium belongs to the titanium alloys classification, while ISO-WD32250 magnesium belongs to the magnesium 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 grade C-3 titanium and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 13
4.5 to 8.6
Fatigue Strength, MPa 260
170 to 210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
17
Tensile Strength: Ultimate (UTS), MPa 500
310 to 330
Tensile Strength: Yield (Proof), MPa 430
240 to 290

Thermal Properties

Latent Heat of Fusion, J/g 420
340
Maximum Temperature: Mechanical, °C 320
120
Melting Completion (Liquidus), °C 1660
600
Melting Onset (Solidus), °C 1610
550
Specific Heat Capacity, J/kg-K 540
980
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.5
1.8
Embodied Carbon, kg CO2/kg material 31
24
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
14 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 880
630 to 930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
67
Strength to Weight: Axial, points 31
49 to 51
Strength to Weight: Bending, points 31
58 to 60
Thermal Diffusivity, mm2/s 8.5
72
Thermal Shock Resistance, points 39
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0
94.9 to 97.1
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Titanium (Ti), % 98.8 to 100
0
Zinc (Zn), % 0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0 to 0.4
0 to 0.3