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AWS E33-31 vs. AWS ERNiCrFe-5

AWS E33-31 belongs to the iron alloys classification, while AWS ERNiCrFe-5 belongs to the nickel alloys. They have 55% 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 ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
34
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 810
630

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1330
1340
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
65
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 6.0
11
Embodied Energy, MJ/kg 86
150
Embodied Water, L/kg 260
250

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 31 to 35
14 to 17
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
6.0 to 10
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
70 to 78.5
Niobium (Nb), % 0
1.5 to 3.0
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 0.35
Sulfur (S), % 0 to 0.010
0 to 0.015
Residuals, % 0
0 to 0.5