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S21603 Stainless Steel vs. AWS ERNiCrMo-10

S21603 stainless steel belongs to the iron alloys classification, while AWS ERNiCrMo-10 belongs to the nickel alloys. They have a modest 33% 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 S21603 stainless steel and the bottom bar is AWS ERNiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 45
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
84
Tensile Strength: Ultimate (UTS), MPa 690
790

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1420
1550
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
70
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.6
12
Embodied Energy, MJ/kg 50
160
Embodied Water, L/kg 160
300

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 17.5 to 22
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 57.6 to 67.8
2.0 to 6.0
Manganese (Mn), % 7.5 to 9.0
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
12.5 to 14.5
Nickel (Ni), % 5.0 to 7.0
49 to 63
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5