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Grade 366 Molybdenum vs. Grade 705C Zirconium

Both grade 366 molybdenum and grade 705C zirconium are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
98
Elongation at Break, % 2.2
13
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 120
36
Tensile Strength: Ultimate (UTS), MPa 580
540
Tensile Strength: Yield (Proof), MPa 470
390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Specific Heat Capacity, J/kg-K 210
270
Thermal Expansion, µm/m-K 7.6
5.7

Otherwise Unclassified Properties

Density, g/cm3 12
6.7
Embodied Water, L/kg 300
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
66
Resilience: Unit (Modulus of Resilience), kJ/m3 370
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 13
22
Strength to Weight: Bending, points 13
22
Thermal Shock Resistance, points 18
69

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.010
0 to 0.3
Molybdenum (Mo), % 66.9 to 73
0
Nickel (Ni), % 0 to 0.0020
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.0020
0 to 0.030
Oxygen (O), % 0 to 0.0025
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0
Tungsten (W), % 27 to 33
0
Zirconium (Zr), % 0
91.9 to 98