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AWS ERNiCrMo-3 vs. S21603 Stainless Steel

AWS ERNiCrMo-3 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 (15, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-3 and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 870
690

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 80
17
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
3.6
Embodied Energy, MJ/kg 190
50
Embodied Water, L/kg 290
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 20 to 23
17.5 to 22
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
57.6 to 67.8
Manganese (Mn), % 0 to 0.5
7.5 to 9.0
Molybdenum (Mo), % 8.0 to 10
2.0 to 3.0
Nickel (Ni), % 58 to 68.9
5.0 to 7.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Residuals, % 0 to 0.5
0