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AWS ENiCrFe-2 vs. EN 1.7231 Steel

AWS ENiCrFe-2 belongs to the nickel alloys classification, while EN 1.7231 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrFe-2 and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
11 to 12
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 790
790 to 930

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 160
20
Embodied Water, L/kg 260
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
28 to 33
Strength to Weight: Bending, points 22
24 to 27
Thermal Shock Resistance, points 24
23 to 27

Alloy Composition


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Carbon (C), % 0 to 0.1
0.38 to 0.45
Chromium (Cr), % 13 to 17
0.8 to 1.2
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 12
96.4 to 98.1
Manganese (Mn), % 1.0 to 3.5
0.6 to 1.0
Molybdenum (Mo), % 0.5 to 2.5
0.15 to 0.3
Nickel (Ni), % 62 to 85
0
Niobium (Nb), % 0.5 to 4.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Residuals, % 0 to 0.5
0