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R05400 Tantalum vs. C96300 Copper-nickel

R05400 tantalum belongs to the otherwise unclassified metals classification, while C96300 copper-nickel 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 C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Elongation at Break, % 1.1 to 28
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 69
49
Tensile Strength: Ultimate (UTS), MPa 210 to 540
580
Tensile Strength: Yield (Proof), MPa 140 to 390
430

Thermal Properties

Latent Heat of Fusion, J/g 140
230
Specific Heat Capacity, J/kg-K 140
400
Thermal Conductivity, W/m-K 59
37
Thermal Expansion, µm/m-K 6.5
16

Otherwise Unclassified Properties

Density, g/cm3 17
8.9
Embodied Water, L/kg 650
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
59
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
720
Stiffness to Weight: Axial, points 6.2
8.2
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 3.6 to 9.0
18
Strength to Weight: Bending, points 4.8 to 8.8
17
Thermal Diffusivity, mm2/s 25
10
Thermal Shock Resistance, points 13 to 32
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.15
Copper (Cu), % 0
72.3 to 80.8
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0
0.25 to 1.5
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
18 to 22
Niobium (Nb), % 0 to 0.1
0.5 to 1.5
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Residuals, % 0
0 to 0.5