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R05200 Tantalum vs. AWS BNi-6

R05200 tantalum belongs to the otherwise unclassified metals classification, while AWS BNi-6 belongs to the nickel alloys. There are 14 material properties with values for both materials. Properties with values for just one material (12, 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 AWS BNi-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 69
62
Tensile Strength: Ultimate (UTS), MPa 210 to 540
450

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Specific Heat Capacity, J/kg-K 140
480
Thermal Expansion, µm/m-K 6.5
9.8

Otherwise Unclassified Properties

Density, g/cm3 17
8.2
Embodied Water, L/kg 650
210

Common Calculations

Stiffness to Weight: Axial, points 6.2
11
Stiffness to Weight: Bending, points 11
22
Strength to Weight: Axial, points 3.6 to 9.0
15
Strength to Weight: Bending, points 4.8 to 8.8
16
Thermal Shock Resistance, points 13 to 32
20

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
87.2 to 90
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
10 to 12
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 99.8 to 100
0
Titanium (Ti), % 0 to 0.010
0 to 0.050
Tungsten (W), % 0 to 0.050
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5