Nickel 201 vs. AWS E33-31

Nickel 201 belongs to the nickel alloys classification, while AWS E33-31 belongs to the iron alloys. They have a modest 32% 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 nickel 201 and the bottom bar is AWS E33-31.

Nickel Alloy 201 (2.4068, N02201, NA12)AWS E33-31 (W33310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		180
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		4.5 to 45
Elongation at Break, %		29

Poisson's Ratio		0.31
Poisson's Ratio		0.27

Shear Modulus, GPa		70
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		390 to 660
Tensile Strength: Ultimate (UTS), MPa		810

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1450
Melting Completion (Liquidus), °C		1380

Melting Onset (Solidus), °C		1440
Melting Onset (Solidus), °C		1330

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		65
Base Metal Price, % relative		36

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

Embodied Carbon, kg CO₂/kg material		11
Embodied Carbon, kg CO₂/kg material		6.0

Embodied Energy, MJ/kg		150
Embodied Energy, MJ/kg		86

Embodied Water, L/kg		230
Embodied Water, L/kg		260

Common Calculations

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

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

Strength to Weight: Axial, points		12 to 20
Strength to Weight: Axial, points		28

Strength to Weight: Bending, points		13 to 19
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		11 to 19
Thermal Shock Resistance, points		19

Alloy Composition

Carbon (C), %		0 to 0.020
Carbon (C), %		0 to 0.030

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

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0.4 to 0.8

Iron (Fe), %		0 to 0.4
Iron (Fe), %		24.7 to 34.8

Manganese (Mn), %		0 to 0.35
Manganese (Mn), %		2.5 to 4.0

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

Nickel (Ni), %		99 to 100
Nickel (Ni), %		30 to 32

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

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

Silicon (Si), %		0 to 0.35
Silicon (Si), %		0 to 0.9

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