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AWS BNi-4 vs. R05200 Tantalum

AWS BNi-4 belongs to the nickel alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is R05200 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 67
69
Tensile Strength: Ultimate (UTS), MPa 430
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 340
140
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 11
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.5
17
Embodied Water, L/kg 220
650

Common Calculations

Stiffness to Weight: Axial, points 12
6.2
Stiffness to Weight: Bending, points 22
11
Strength to Weight: Axial, points 14
3.6 to 9.0
Strength to Weight: Bending, points 15
4.8 to 8.8
Thermal Shock Resistance, points 16
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.010
Cobalt (Co), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.5
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 91.4 to 95.5
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 0.0050
Sulfur (S), % 0 to 0.020
0
Tantalum (Ta), % 0
99.8 to 100
Titanium (Ti), % 0 to 0.050
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0