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Grade 363 Molybdenum vs. Titanium 6-7

Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while titanium 6-7 belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 363 molybdenum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
120
Elongation at Break, % 6.2 to 11
11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 120
45
Tensile Strength: Ultimate (UTS), MPa 580 to 720
1020
Tensile Strength: Yield (Proof), MPa 350 to 620
900

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Specific Heat Capacity, J/kg-K 250
520
Thermal Expansion, µm/m-K 7.0
9.3

Otherwise Unclassified Properties

Density, g/cm3 10
5.1
Embodied Carbon, kg CO2/kg material 28
34
Embodied Energy, MJ/kg 330
540
Embodied Water, L/kg 360
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 57
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 630
3460
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 22
32
Strength to Weight: Axial, points 16 to 20
56
Strength to Weight: Bending, points 15 to 17
44
Thermal Shock Resistance, points 19 to 24
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.010 to 0.030
0 to 0.080
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.010
0 to 0.25
Molybdenum (Mo), % 99.3 to 99.5
6.5 to 7.5
Nickel (Ni), % 0 to 0.0020
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0 to 0.0020
0 to 0.050
Oxygen (O), % 0 to 0.0030
0 to 0.2
Silicon (Si), % 0 to 0.010
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0.4 to 0.55
84.9 to 88
Zirconium (Zr), % 0.060 to 0.12
0