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R05200 Tantalum vs. Nickel 908

R05200 tantalum belongs to the otherwise unclassified metals classification, while nickel 908 belongs to the nickel 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. 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 nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 1.1 to 28
11
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 69
70
Tensile Strength: Ultimate (UTS), MPa 210 to 540
1340
Tensile Strength: Yield (Proof), MPa 140 to 390
930

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Specific Heat Capacity, J/kg-K 140
460
Thermal Conductivity, W/m-K 59
11
Thermal Expansion, µm/m-K 6.5
8.6

Otherwise Unclassified Properties

Density, g/cm3 17
8.3
Embodied Water, L/kg 650
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
140
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
2340
Stiffness to Weight: Axial, points 6.2
12
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.6 to 9.0
45
Strength to Weight: Bending, points 4.8 to 8.8
33
Thermal Diffusivity, mm2/s 25
2.9
Thermal Shock Resistance, points 13 to 32
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
35.6 to 44.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
47 to 51
Niobium (Nb), % 0 to 0.1
2.7 to 3.3
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Tantalum (Ta), % 99.8 to 100
0
Titanium (Ti), % 0 to 0.010
1.2 to 1.8
Tungsten (W), % 0 to 0.050
0