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AWS E33-31 vs. AWS ENiCrMo-3

AWS E33-31 belongs to the iron alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. They have 59% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 29
34
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 810
870

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
80
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 6.0
14
Embodied Energy, MJ/kg 86
190
Embodied Water, L/kg 260
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 19
25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 31 to 35
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0.4 to 0.8
0 to 0.5
Iron (Fe), % 24.7 to 34.8
0 to 7.0
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
8.0 to 10
Nickel (Ni), % 30 to 32
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.9
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020
Residuals, % 0
0 to 0.5