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R05400 Tantalum vs. C97400 Nickel Silver

R05400 tantalum belongs to the otherwise unclassified metals classification, while C97400 nickel silver 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 C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 1.1 to 28
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 69
44
Tensile Strength: Ultimate (UTS), MPa 210 to 540
260
Tensile Strength: Yield (Proof), MPa 140 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 140
190
Specific Heat Capacity, J/kg-K 140
380
Thermal Conductivity, W/m-K 59
27
Thermal Expansion, µm/m-K 6.5
18

Otherwise Unclassified Properties

Density, g/cm3 17
8.6
Embodied Water, L/kg 650
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
43
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
59
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
8.5
Strength to Weight: Bending, points 4.8 to 8.8
11
Thermal Diffusivity, mm2/s 25
8.3
Thermal Shock Resistance, points 13 to 32
8.8

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
58 to 61
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 1.5
Lead (Pb), % 0
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
15.5 to 17
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
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0