Grade 363 Molybdenum vs. Grade 705C Zirconium

Both grade 363 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 363 molybdenum and the bottom bar is grade 705C zirconium.

Grade 363 Molybdenum Grade 705C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		98

Elongation at Break, %		6.2 to 11
Elongation at Break, %		13

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		120
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		580 to 720
Tensile Strength: Ultimate (UTS), MPa		540

Tensile Strength: Yield (Proof), MPa		350 to 620
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		270

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		6.7

Embodied Water, L/kg		360
Embodied Water, L/kg		450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		43 to 57
Resilience: Ultimate (Unit Rupture Work), MJ/m³		66

Resilience: Unit (Modulus of Resilience), kJ/m³		200 to 630
Resilience: Unit (Modulus of Resilience), kJ/m³		790

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		16 to 20
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		15 to 17
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		19 to 24
Thermal Shock Resistance, points		69

Alloy Composition

Carbon (C), %		0.010 to 0.030
Carbon (C), %		0 to 0.1

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 4.5

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0050

Iron (Fe), %		0 to 0.010
Iron (Fe), %		0 to 0.3

Molybdenum (Mo), %		99.3 to 99.5
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.0020
Nickel (Ni), %		0

Niobium (Nb), %		0
Niobium (Nb), %		2.0 to 3.0

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0 to 0.030

Oxygen (O), %		0 to 0.0030
Oxygen (O), %		0 to 0.3

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0

Titanium (Ti), %		0.4 to 0.55
Titanium (Ti), %		0

Zirconium (Zr), %		0.060 to 0.12
Zirconium (Zr), %		91.9 to 98