AWS BNi-6 vs. R30016 Cobalt

AWS BNi-6 belongs to the nickel alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-6 and the bottom bar is R30016 cobalt.

AWS BNi-6 (N99700) Filler Metal UNS R30016 Co-Cr-W Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		160
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.31
Poisson's Ratio		0.28

Shear Modulus, GPa		62
Shear Modulus, GPa		85

Tensile Strength: Ultimate (UTS), MPa		450
Tensile Strength: Ultimate (UTS), MPa		1010

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		880
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		880
Melting Onset (Solidus), °C		1270

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		9.8
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		9.4
Embodied Carbon, kg CO₂/kg material		7.7

Embodied Energy, MJ/kg		130
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		210
Embodied Water, L/kg		500

Common Calculations

Stiffness to Weight: Axial, points		11
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		33

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		26

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		24

Alloy Composition

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

Carbon (C), %		0 to 0.060
Carbon (C), %		0.9 to 1.4

Chromium (Cr), %		0
Chromium (Cr), %		28 to 32

Cobalt (Co), %		0 to 0.1
Cobalt (Co), %		49.6 to 66.9

Iron (Fe), %		0
Iron (Fe), %		0 to 3.0

Manganese (Mn), %		0
Manganese (Mn), %		0.5 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 1.5

Nickel (Ni), %		87.2 to 90
Nickel (Ni), %		0 to 3.0

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

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

Silicon (Si), %		0
Silicon (Si), %		0.2 to 2.0

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

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

Tungsten (W), %		0
Tungsten (W), %		3.5 to 5.5

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

Residuals, %		0 to 0.5
Residuals, %		0