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Grade 5 Titanium vs. Grade 361 Molybdenum

Grade 5 titanium belongs to the titanium alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 5 titanium and the bottom bar is grade 361 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
310
Elongation at Break, % 8.6 to 11
6.3
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
120
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
620
Tensile Strength: Yield (Proof), MPa 910 to 1110
530

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Specific Heat Capacity, J/kg-K 560
250
Thermal Expansion, µm/m-K 8.9
7.0

Otherwise Unclassified Properties

Density, g/cm3 4.4
10
Embodied Carbon, kg CO2/kg material 38
28
Embodied Energy, MJ/kg 610
330
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
37
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
450
Stiffness to Weight: Axial, points 13
17
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 62 to 75
17
Strength to Weight: Bending, points 50 to 56
16
Thermal Shock Resistance, points 76 to 91
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.010
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.010
Molybdenum (Mo), % 0
99.9 to 100
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0 to 0.050
0 to 0.0020
Oxygen (O), % 0 to 0.2
0 to 0.0070
Silicon (Si), % 0
0 to 0.010
Titanium (Ti), % 87.4 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Residuals, % 0 to 0.4
0