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EN 2.4878 Nickel vs. R05200 Tantalum

EN 2.4878 nickel belongs to the nickel alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (8, 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 EN 2.4878 nickel and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 17
1.1 to 28
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
69
Tensile Strength: Ultimate (UTS), MPa 1210 to 1250
210 to 540
Tensile Strength: Yield (Proof), MPa 740 to 780
140 to 390

Thermal Properties

Latent Heat of Fusion, J/g 330
140
Specific Heat Capacity, J/kg-K 460
140
Thermal Conductivity, W/m-K 11
59
Thermal Expansion, µm/m-K 12
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.3
17
Embodied Water, L/kg 370
650

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 180
5.5 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 1540
50 to 420
Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 41 to 42
3.6 to 9.0
Strength to Weight: Bending, points 31
4.8 to 8.8
Thermal Diffusivity, mm2/s 2.8
25
Thermal Shock Resistance, points 37 to 39
13 to 32

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.010 to 0.015
0
Carbon (C), % 0.030 to 0.070
0 to 0.010
Chromium (Cr), % 23 to 25
0
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.0
0 to 0.010
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.020
Nickel (Ni), % 43.6 to 52.2
0 to 0.010
Niobium (Nb), % 0.7 to 1.2
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.0070
0
Tantalum (Ta), % 0 to 0.050
99.8 to 100
Titanium (Ti), % 2.8 to 3.2
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0.030 to 0.070
0

Comparable Variants