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AWS E33-31 vs. Monel 400

AWS E33-31 belongs to the iron alloys classification, while Monel 400 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 29
20 to 40
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
62
Tensile Strength: Ultimate (UTS), MPa 810
540 to 780

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1350
Melting Onset (Solidus), °C 1330
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 36
50
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 6.0
7.9
Embodied Energy, MJ/kg 86
110
Embodied Water, L/kg 260
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 28
17 to 25
Strength to Weight: Bending, points 24
17 to 21
Thermal Shock Resistance, points 19
17 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
28 to 34
Iron (Fe), % 24.7 to 34.8
0 to 2.5
Manganese (Mn), % 2.5 to 4.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
63 to 72
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.024