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AWS ERNiCrMo-2 vs. S39277 Stainless Steel

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while S39277 stainless steel belongs to the iron alloys. They have 53% of their average alloy composition in common. There are 23 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 ERNiCrMo-2 and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 750
930

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
23
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.2
4.2
Embodied Energy, MJ/kg 120
59
Embodied Water, L/kg 270
180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
33
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 2.9
4.2
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.025
Chromium (Cr), % 20.5 to 23
24 to 26
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
1.2 to 2.0
Iron (Fe), % 17 to 20
56.8 to 64.3
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 8.0 to 10
3.0 to 4.0
Nickel (Ni), % 40.3 to 53.8
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0020
Tungsten (W), % 0.2 to 1.0
0.8 to 1.2
Residuals, % 0 to 0.5
0