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R05400 Tantalum vs. C65500 Bronze

R05400 tantalum belongs to the otherwise unclassified metals classification, while C65500 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 C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 1.1 to 28
4.0 to 70
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
43
Tensile Strength: Ultimate (UTS), MPa 210 to 540
360 to 760
Tensile Strength: Yield (Proof), MPa 140 to 390
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Specific Heat Capacity, J/kg-K 140
400
Thermal Conductivity, W/m-K 59
36
Thermal Expansion, µm/m-K 6.5
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.6
Embodied Water, L/kg 650
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
62 to 790
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
12 to 24
Strength to Weight: Bending, points 4.8 to 8.8
13 to 21
Thermal Diffusivity, mm2/s 25
10
Thermal Shock Resistance, points 13 to 32
12 to 26

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
91.5 to 96.7
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.5 to 1.3
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.6
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
2.8 to 3.8
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 1.5
Residuals, % 0
0 to 0.5