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S45000 Stainless Steel vs. AWS ENiCrFe-2

S45000 stainless steel belongs to the iron alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. They have a modest 29% 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 (15, in this case) are not shown.

For each property being compared, the top bar is S45000 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, % 6.8 to 14
28
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
790

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
65
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.8
11
Embodied Energy, MJ/kg 39
160
Embodied Water, L/kg 130
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 35 to 50
26
Strength to Weight: Bending, points 28 to 36
22
Thermal Shock Resistance, points 33 to 47
24

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 14 to 16
13 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 1.3 to 1.8
0 to 0.5
Iron (Fe), % 72.1 to 79.3
0 to 12
Manganese (Mn), % 0 to 1.0
1.0 to 3.5
Molybdenum (Mo), % 0.5 to 1.0
0.5 to 2.5
Nickel (Ni), % 5.0 to 7.0
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5