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AWS ERNiCr-3 vs. S32906 Stainless Steel

AWS ERNiCr-3 belongs to the nickel alloys classification, while S32906 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 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCr-3 and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
28
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 630
850

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
20
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 11
3.7
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 280
190

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 18
23

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 18 to 22
28 to 30
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 0.8
Iron (Fe), % 0 to 3.0
56.6 to 63.6
Manganese (Mn), % 2.5 to 3.5
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 67 to 77.5
5.8 to 7.5
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.75
0
Residuals, % 0 to 0.5
0