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R05400 Tantalum vs. C61400 Bronze

R05400 tantalum belongs to the otherwise unclassified metals classification, while C61400 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is C61400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 1.1 to 28
34 to 40
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
43
Tensile Strength: Ultimate (UTS), MPa 210 to 540
540 to 570
Tensile Strength: Yield (Proof), MPa 140 to 390
220 to 270

Thermal Properties

Latent Heat of Fusion, J/g 140
220
Specific Heat Capacity, J/kg-K 140
420
Thermal Conductivity, W/m-K 59
67
Thermal Expansion, µm/m-K 6.5
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.5
Embodied Water, L/kg 650
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
160 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
210 to 310
Stiffness to Weight: Axial, points 6.2
7.5
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.6 to 9.0
18 to 19
Strength to Weight: Bending, points 4.8 to 8.8
17 to 18
Thermal Diffusivity, mm2/s 25
19
Thermal Shock Resistance, points 13 to 32
18 to 20

Alloy Composition

Aluminum (Al), % 0
6.0 to 8.0
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
86 to 92.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 1.0
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
Phosphorus (P), % 0
0 to 0.015
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
0 to 1.0
Residuals, % 0
0 to 0.5