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R05400 Tantalum vs. C22000 Bronze

R05400 tantalum belongs to the otherwise unclassified metals classification, while C22000 bronze belongs to the copper alloys. 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 R05400 tantalum and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 1.1 to 28
1.9 to 45
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 69
42
Tensile Strength: Ultimate (UTS), MPa 210 to 540
260 to 520
Tensile Strength: Yield (Proof), MPa 140 to 390
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 140
200
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 59
190
Thermal Expansion, µm/m-K 6.5
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.7
Embodied Water, L/kg 650
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
21 to 1110
Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 3.6 to 9.0
8.1 to 17
Strength to Weight: Bending, points 4.8 to 8.8
10 to 17
Thermal Diffusivity, mm2/s 25
56
Thermal Shock Resistance, points 13 to 32
8.8 to 18

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
89 to 91
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
8.7 to 11
Residuals, % 0
0 to 0.2