AWS BNi-6 vs. R30605 Cobalt

AWS BNi-6 belongs to the nickel alloys classification, while R30605 cobalt belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-6 and the bottom bar is R30605 cobalt.

AWS BNi-6 (N99700) Filler Metal UNS R30605 (L605, Alloy 25, 2.4964) Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		160
Elastic (Young's, Tensile) Modulus, GPa		210

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		62
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		450
Tensile Strength: Ultimate (UTS), MPa		1130 to 1900

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		880
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		880
Melting Onset (Solidus), °C		1330

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		9.8
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		9.6

Embodied Carbon, kg CO₂/kg material		9.4
Embodied Carbon, kg CO₂/kg material		9.8

Embodied Energy, MJ/kg		130
Embodied Energy, MJ/kg		140

Embodied Water, L/kg		210
Embodied Water, L/kg		450

Common Calculations

Stiffness to Weight: Axial, points		11
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		33 to 55

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		25 to 36

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		31 to 52

Alloy Composition

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

Carbon (C), %		0 to 0.060
Carbon (C), %		0.050 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		19 to 21

Cobalt (Co), %		0 to 0.1
Cobalt (Co), %		46.4 to 57

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

Manganese (Mn), %		0
Manganese (Mn), %		1.0 to 2.0

Nickel (Ni), %		87.2 to 90
Nickel (Ni), %		9.0 to 11

Phosphorus (P), %		10 to 12
Phosphorus (P), %		0 to 0.040

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.4

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

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

Tungsten (W), %		0
Tungsten (W), %		14 to 16

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

Residuals, %		0 to 0.5
Residuals, %		0