Grade 705C Zirconium vs. Grade 363 Molybdenum

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

Grade 705C Cast Zirconium Grade 363 Molybdenum

Metric UnitsUS Customary Units

Mechanical Properties

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

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

Poisson's Ratio		0.34
Poisson's Ratio		0.31

Shear Modulus, GPa		36
Shear Modulus, GPa		120

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

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

Thermal Properties

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

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

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

Otherwise Unclassified Properties

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

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

Common Calculations

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

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

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

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

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

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

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

Alloy Composition

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

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

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

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

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

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

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

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

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

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

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

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

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