C10200 Copper vs. R05200 Tantalum

C10200 copper belongs to the copper alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C10200 copper and the bottom bar is R05200 tantalum.

UNS C10200 (CW008A) Oxygen-Free Copper UNS R05200 Cast Unalloyed Tantalum

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		2.6 to 50
Elongation at Break, %		1.1 to 28

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		43
Shear Modulus, GPa		69

Tensile Strength: Ultimate (UTS), MPa		230 to 410
Tensile Strength: Ultimate (UTS), MPa		210 to 540

Tensile Strength: Yield (Proof), MPa		77 to 400
Tensile Strength: Yield (Proof), MPa		140 to 390

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		140

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		140

Thermal Conductivity, W/m-K		390
Thermal Conductivity, W/m-K		59

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		6.5

Otherwise Unclassified Properties

Density, g/cm³		9.0
Density, g/cm³		17

Embodied Water, L/kg		310
Embodied Water, L/kg		650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		9.4 to 91
Resilience: Ultimate (Unit Rupture Work), MJ/m³		5.5 to 53

Resilience: Unit (Modulus of Resilience), kJ/m³		25 to 690
Resilience: Unit (Modulus of Resilience), kJ/m³		50 to 420

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		6.2

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		11

Strength to Weight: Axial, points		7.2 to 13
Strength to Weight: Axial, points		3.6 to 9.0

Strength to Weight: Bending, points		9.4 to 14
Strength to Weight: Bending, points		4.8 to 8.8

Thermal Diffusivity, mm²/s		110
Thermal Diffusivity, mm²/s		25

Thermal Shock Resistance, points		8.2 to 15
Thermal Shock Resistance, points		13 to 32

Alloy Composition

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

Copper (Cu), %		99.95 to 100
Copper (Cu), %		0

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

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

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

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

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

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

Oxygen (O), %		0 to 0.0010
Oxygen (O), %		0 to 0.015

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

Tantalum (Ta), %		0
Tantalum (Ta), %		99.8 to 100

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

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