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AWS ERNiCrFe-6 vs. S31277 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while S31277 stainless steel belongs to the iron alloys. They have 48% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 630
860

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
36
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 9.8
6.7
Embodied Energy, MJ/kg 140
90
Embodied Water, L/kg 260
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 19
25
Thermal Shock Resistance, points 19
19

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 14 to 17
20.5 to 23
Copper (Cu), % 0 to 0.5
0.5 to 1.5
Iron (Fe), % 0 to 8.0
35.5 to 46.2
Manganese (Mn), % 2.0 to 2.7
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 67 to 81.5
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.5 to 3.5
0
Residuals, % 0 to 0.5
0