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AWS ERNiCrFe-5 vs. S32550 Stainless Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while S32550 stainless steel belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 ERNiCrFe-5 and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
21
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 630
860

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 65
20
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 250
180

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
31
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 3.6
4.4
Thermal Shock Resistance, points 19
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 14 to 17
24 to 27
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 6.0 to 10
57.2 to 67
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 70 to 78.5
4.5 to 6.5
Niobium (Nb), % 1.5 to 3.0
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Residuals, % 0 to 0.5
0