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AWS ERNiFeCr-2 vs. R05200 Tantalum

AWS ERNiFeCr-2 belongs to the nickel alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 17 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 AWS ERNiFeCr-2 and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
1.1 to 28
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 75
69
Tensile Strength: Ultimate (UTS), MPa 1300
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 310
140
Specific Heat Capacity, J/kg-K 450
140
Thermal Conductivity, W/m-K 12
59
Thermal Expansion, µm/m-K 13
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.3
17
Embodied Water, L/kg 250
650

Common Calculations

Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 43
3.6 to 9.0
Strength to Weight: Bending, points 32
4.8 to 8.8
Thermal Diffusivity, mm2/s 3.2
25
Thermal Shock Resistance, points 38
13 to 32

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0030
0
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 11.6 to 24.6
0 to 0.010
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 2.8 to 3.3
0 to 0.020
Nickel (Ni), % 50 to 55
0 to 0.010
Niobium (Nb), % 4.8 to 5.5
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.35
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0.65 to 1.2
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.5
0