AWS E349 vs. Grade 365 Molybdenum

AWS E349 belongs to the iron alloys classification, while grade 365 molybdenum belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E349 and the bottom bar is grade 365 molybdenum.

AWS E349 (W34910) Weld Metal Grade 365 Molybdenum

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		310

Elongation at Break, %		29
Elongation at Break, %		6.3

Poisson's Ratio		0.28
Poisson's Ratio		0.31

Shear Modulus, GPa		78
Shear Modulus, GPa		120

Tensile Strength: Ultimate (UTS), MPa		770
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		250

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		7.0

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		4.9
Embodied Carbon, kg CO₂/kg material		28

Embodied Energy, MJ/kg		72
Embodied Energy, MJ/kg		330

Embodied Water, L/kg		150
Embodied Water, L/kg		360

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		17

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		16

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

Alloy Composition

Carbon (C), %		0 to 0.13
Carbon (C), %		0 to 0.010

Chromium (Cr), %		18 to 21
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.75
Copper (Cu), %		0

Iron (Fe), %		60.5 to 71.1
Iron (Fe), %		0 to 0.010

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0

Molybdenum (Mo), %		0.35 to 0.65
Molybdenum (Mo), %		99.9 to 100

Nickel (Ni), %		8.0 to 10
Nickel (Ni), %		0 to 0.0020

Niobium (Nb), %		0.75 to 1.2
Niobium (Nb), %		0

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

Oxygen (O), %		0
Oxygen (O), %		0 to 0.0015

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.010

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

Titanium (Ti), %		0 to 0.15
Titanium (Ti), %		0

Tungsten (W), %		1.3 to 1.8
Tungsten (W), %		0

Vanadium (V), %		0.1 to 0.3
Vanadium (V), %		0