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Grade 33 Titanium vs. Grade 365 Molybdenum

Grade 33 titanium belongs to the titanium alloys classification, while grade 365 molybdenum belongs to the otherwise unclassified metals. 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 33 titanium and the bottom bar is grade 365 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
310
Elongation at Break, % 23
6.3
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
120
Tensile Strength: Ultimate (UTS), MPa 390
620
Tensile Strength: Yield (Proof), MPa 350
530

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 4.5
10
Embodied Carbon, kg CO2/kg material 33
28
Embodied Energy, MJ/kg 530
330
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
37
Resilience: Unit (Modulus of Resilience), kJ/m3 590
450
Stiffness to Weight: Axial, points 13
17
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 26
16
Thermal Shock Resistance, points 30
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.010
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0.35 to 0.55
0 to 0.0020
Nitrogen (N), % 0 to 0.030
0 to 0.0020
Oxygen (O), % 0 to 0.25
0 to 0.0015
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.010
Titanium (Ti), % 98.1 to 99.52
0
Residuals, % 0 to 0.4
0