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R05200 Tantalum vs. Grade CU5MCuC Nickel

R05200 tantalum belongs to the otherwise unclassified metals classification, while grade CU5MCuC nickel belongs to the nickel 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is R05200 tantalum and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 1.1 to 28
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 69
77
Tensile Strength: Ultimate (UTS), MPa 210 to 540
580
Tensile Strength: Yield (Proof), MPa 140 to 390
270

Thermal Properties

Latent Heat of Fusion, J/g 140
310
Specific Heat Capacity, J/kg-K 140
460
Thermal Expansion, µm/m-K 6.5
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.2
Embodied Water, L/kg 650
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
110
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
190
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 3.6 to 9.0
20
Strength to Weight: Bending, points 4.8 to 8.8
19
Thermal Shock Resistance, points 13 to 32
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
22.2 to 37.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
38 to 44
Niobium (Nb), % 0 to 0.1
0.6 to 1.2
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 99.8 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0