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R05200 Tantalum vs. Nickel 725

R05200 tantalum belongs to the otherwise unclassified metals classification, while nickel 725 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R05200 tantalum and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 1.1 to 28
34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
78
Tensile Strength: Ultimate (UTS), MPa 210 to 540
860
Tensile Strength: Yield (Proof), MPa 140 to 390
350

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Specific Heat Capacity, J/kg-K 140
440
Thermal Expansion, µm/m-K 6.5
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.5
Embodied Water, L/kg 650
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
240
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
300
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.6 to 9.0
28
Strength to Weight: Bending, points 4.8 to 8.8
24
Thermal Shock Resistance, points 13 to 32
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
19 to 22.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
2.3 to 15.3
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0 to 0.020
7.0 to 9.5
Nickel (Ni), % 0 to 0.010
55 to 59
Niobium (Nb), % 0 to 0.1
2.8 to 4.0
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 0.2
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 99.8 to 100
0
Titanium (Ti), % 0 to 0.010
1.0 to 1.7
Tungsten (W), % 0 to 0.050
0