AWS E33-31 vs. Monel R-405

AWS E33-31 belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is Monel R-405.

AWS E33-31 (W33310) Weld Metal Monel R-405 (N04405)

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		29
Elongation at Break, %		9.1 to 39

Poisson's Ratio		0.27
Poisson's Ratio		0.32

Shear Modulus, GPa		81
Shear Modulus, GPa		62

Tensile Strength: Ultimate (UTS), MPa		810
Tensile Strength: Ultimate (UTS), MPa		540 to 630

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1380
Melting Completion (Liquidus), °C		1350

Melting Onset (Solidus), °C		1330
Melting Onset (Solidus), °C		1300

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		430

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

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		50

Density, g/cm³		7.9
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		86
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		260
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		28
Strength to Weight: Axial, points		17 to 20

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		17 to 18

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		17 to 20

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0 to 0.3

Chromium (Cr), %		31 to 35
Chromium (Cr), %		0

Copper (Cu), %		0.4 to 0.8
Copper (Cu), %		28 to 34

Iron (Fe), %		24.7 to 34.8
Iron (Fe), %		0 to 2.5

Manganese (Mn), %		2.5 to 4.0
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		1.0 to 2.0
Molybdenum (Mo), %		0

Nickel (Ni), %		30 to 32
Nickel (Ni), %		63 to 72

Nitrogen (N), %		0.3 to 0.5
Nitrogen (N), %		0

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

Silicon (Si), %		0 to 0.9
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0.025 to 0.060