Grade 361 Molybdenum vs. AWS BNi-5a

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while AWS BNi-5a belongs to the nickel alloys. There are 16 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is AWS BNi-5a.

Grade 361 Molybdenum AWS BNi-5a (N99651) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		310
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		120
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		480

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		420

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		500

Thermal Expansion, µm/m-K		7.0
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		28
Embodied Carbon, kg CO₂/kg material		9.0

Embodied Energy, MJ/kg		330
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		360
Embodied Water, L/kg		260

Common Calculations

Stiffness to Weight: Axial, points		17
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		15

Alloy Composition

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

Boron (B), %		0
Boron (B), %		1.0 to 1.5

Carbon (C), %		0 to 0.010
Carbon (C), %		0 to 0.1

Chromium (Cr), %		0
Chromium (Cr), %		18.5 to 19.5

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

Iron (Fe), %		0 to 0.010
Iron (Fe), %		0 to 0.5

Molybdenum (Mo), %		99.9 to 100
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.0050
Nickel (Ni), %		70.1 to 73.5

Nitrogen (N), %		0 to 0.0020
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.0070
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

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

Silicon (Si), %		0 to 0.010
Silicon (Si), %		7.0 to 7.5

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

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

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

Residuals, %		0
Residuals, %		0 to 0.5