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S31254 Stainless Steel vs. AWS ENiCrFe-2

S31254 stainless steel belongs to the iron alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. They have 42% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S31254 stainless steel and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
28
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 720
790

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
65
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.5
11
Embodied Energy, MJ/kg 74
160
Embodied Water, L/kg 190
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 15
24

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
13 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0.5 to 1.0
0 to 0.5
Iron (Fe), % 51.4 to 56.3
0 to 12
Manganese (Mn), % 0 to 1.0
1.0 to 3.5
Molybdenum (Mo), % 6.0 to 6.5
0.5 to 2.5
Nickel (Ni), % 17.5 to 18.5
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020
Residuals, % 0
0 to 0.5