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Grade 364 Molybdenum vs. Grade C-2 Titanium

Grade 364 molybdenum belongs to the otherwise unclassified metals classification, while grade C-2 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 364 molybdenum and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
110
Elongation at Break, % 6.2 to 11
17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 120
40
Tensile Strength: Ultimate (UTS), MPa 580 to 720
390
Tensile Strength: Yield (Proof), MPa 350 to 620
310

Thermal Properties

Latent Heat of Fusion, J/g 370
420
Specific Heat Capacity, J/kg-K 250
540
Thermal Expansion, µm/m-K 7.0
8.7

Otherwise Unclassified Properties

Density, g/cm3 10
4.5
Embodied Carbon, kg CO2/kg material 28
31
Embodied Energy, MJ/kg 330
510
Embodied Water, L/kg 360
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 57
61
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
460
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 16 to 20
24
Strength to Weight: Bending, points 15 to 17
26
Thermal Shock Resistance, points 19 to 24
30

Alloy Composition

Carbon (C), % 0.010 to 0.040
0 to 0.1
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.010
0 to 0.2
Molybdenum (Mo), % 99.2 to 99.5
0
Nickel (Ni), % 0 to 0.0050
0 to 0.050
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.030
0 to 0.4
Silicon (Si), % 0 to 0.0050
0
Titanium (Ti), % 0.4 to 0.55
98.8 to 100
Zirconium (Zr), % 0.060 to 0.12
0
Residuals, % 0
0 to 0.4