Stress Relieved 360 Molybdenum vs. Stress Relieved R05400 Tantalum

Both stress relieved 360 molybdenum and stress relieved R05400 tantalum are otherwise unclassified metals. Both are furnished in the stress relieved condition. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is stress relieved 360 molybdenum and the bottom bar is stress relieved R05400 tantalum.

Stress Relieved Grade 360 Molybdenum Stress Relieved UNS R05400 Sintered Unalloyed Tantalum

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		6.3
Elongation at Break, %		5.7

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		120
Shear Modulus, GPa		69

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		430

Tensile Strength: Yield (Proof), MPa		530
Tensile Strength: Yield (Proof), MPa		270

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		2280
Melting Completion (Liquidus), °C		3020

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		140

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		6.5

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		17

Embodied Water, L/kg		360
Embodied Water, L/kg		650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		37
Resilience: Ultimate (Unit Rupture Work), MJ/m³		22

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		200

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		6.2

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		11

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		7.2

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		7.6

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		26

Alloy Composition

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

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0015

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

Molybdenum (Mo), %		99.9 to 100
Molybdenum (Mo), %		0 to 0.020

Nickel (Ni), %		0 to 0.0020
Nickel (Ni), %		0 to 0.010

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.1

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0 to 0.0015
Oxygen (O), %		0 to 0.030

Silicon (Si), %		0 to 0.010
Silicon (Si), %		0 to 0.0050

Tantalum (Ta), %		0
Tantalum (Ta), %		99.7 to 100

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.010

Tungsten (W), %		0
Tungsten (W), %		0 to 0.050