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AWS ERNiCrCoMo-1 vs. S31254 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while S31254 stainless steel belongs to the iron alloys. They have 47% of their average alloy composition in common. 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 ERNiCrCoMo-1 and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
40
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 710
720

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 75
28
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 10
5.5
Embodied Energy, MJ/kg 140
74
Embodied Water, L/kg 350
190

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.5
3.8
Thermal Shock Resistance, points 19
15

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 20 to 24
19.5 to 20.5
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0.5 to 1.0
Iron (Fe), % 0 to 3.0
51.4 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
6.0 to 6.5
Nickel (Ni), % 42.7 to 61.2
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.6
0
Residuals, % 0 to 0.5
0