AWS BNi-6 vs. Type 4 Niobium

AWS BNi-6 belongs to the nickel alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 14 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 AWS BNi-6 and the bottom bar is Type 4 niobium.

AWS BNi-6 (N99700) Filler Metal Type 4 (Alloyed Commercial Grade, R04261) Niobium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		160
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.31
Poisson's Ratio		0.4

Shear Modulus, GPa		62
Shear Modulus, GPa		38

Tensile Strength: Ultimate (UTS), MPa		450
Tensile Strength: Ultimate (UTS), MPa		220

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		310

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		270

Thermal Expansion, µm/m-K		9.8
Thermal Expansion, µm/m-K		7.3

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		8.6

Embodied Water, L/kg		210
Embodied Water, L/kg		160

Common Calculations

Stiffness to Weight: Axial, points		11
Stiffness to Weight: Axial, points		6.8

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		7.2

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		9.5

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		21

Alloy Composition

Aluminum (Al), %		0 to 0.050
Aluminum (Al), %		0

Carbon (C), %		0 to 0.060
Carbon (C), %		0 to 0.010

Cobalt (Co), %		0 to 0.1
Cobalt (Co), %		0

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 0.020

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0015

Iron (Fe), %		0
Iron (Fe), %		0 to 0.010

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.050

Nickel (Ni), %		87.2 to 90
Nickel (Ni), %		0 to 0.0050

Niobium (Nb), %		0
Niobium (Nb), %		98.1 to 99.2

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.010

Oxygen (O), %		0
Oxygen (O), %		0 to 0.025

Phosphorus (P), %		10 to 12
Phosphorus (P), %		0

Selenium (Se), %		0 to 0.0050
Selenium (Se), %		0

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0

Tantalum (Ta), %		0
Tantalum (Ta), %		0 to 0.5

Titanium (Ti), %		0 to 0.050
Titanium (Ti), %		0 to 0.020

Tungsten (W), %		0
Tungsten (W), %		0 to 0.050

Zirconium (Zr), %		0 to 0.050
Zirconium (Zr), %		0.8 to 1.2

Residuals, %		0 to 0.5
Residuals, %		0