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AWS ENiCrFe-2 vs. EN 1.4938 Stainless Steel

AWS ENiCrFe-2 belongs to the nickel alloys classification, while EN 1.4938 stainless steel belongs to the iron alloys. They have a modest 23% 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 AWS ENiCrFe-2 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
16 to 17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 790
870 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 260
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
31 to 37
Strength to Weight: Bending, points 22
26 to 29
Thermal Shock Resistance, points 24
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.1
0.080 to 0.15
Chromium (Cr), % 13 to 17
11 to 12.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 12
80.5 to 84.8
Manganese (Mn), % 1.0 to 3.5
0.4 to 0.9
Molybdenum (Mo), % 0.5 to 2.5
1.5 to 2.0
Nickel (Ni), % 62 to 85
2.0 to 3.0
Niobium (Nb), % 0.5 to 4.0
0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Vanadium (V), % 0
0.25 to 0.4
Residuals, % 0 to 0.5
0