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R05400 Tantalum vs. C96900 Copper-nickel

R05400 tantalum belongs to the otherwise unclassified metals classification, while C96900 copper-nickel belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R05400 tantalum and the bottom bar is C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 1.1 to 28
4.5
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 69
45
Tensile Strength: Ultimate (UTS), MPa 210 to 540
850
Tensile Strength: Yield (Proof), MPa 140 to 390
830

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Specific Heat Capacity, J/kg-K 140
380
Thermal Expansion, µm/m-K 6.5
17

Otherwise Unclassified Properties

Density, g/cm3 17
8.8
Embodied Water, L/kg 650
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
38
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
2820
Stiffness to Weight: Axial, points 6.2
7.7
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.6 to 9.0
27
Strength to Weight: Bending, points 4.8 to 8.8
23
Thermal Shock Resistance, points 13 to 32
30

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
73.6 to 78
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
14.5 to 15.5
Niobium (Nb), % 0 to 0.1
0 to 0.1
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Silicon (Si), % 0 to 0.0050
0 to 0.3
Tantalum (Ta), % 99.7 to 100
0
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5