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AWS ENiCrFe-2 vs. S21603 Stainless Steel

AWS ENiCrFe-2 belongs to the nickel alloys classification, while S21603 stainless steel belongs to the iron alloys. They have a modest 31% 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrFe-2 and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
45
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 790
690

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 65
17
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
3.6
Embodied Energy, MJ/kg 160
50
Embodied Water, L/kg 260
160

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 13 to 17
17.5 to 22
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 12
57.6 to 67.8
Manganese (Mn), % 1.0 to 3.5
7.5 to 9.0
Molybdenum (Mo), % 0.5 to 2.5
2.0 to 3.0
Nickel (Ni), % 62 to 85
5.0 to 7.0
Niobium (Nb), % 0.5 to 4.0
0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Residuals, % 0 to 0.5
0