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AWS ERNiCrFe-5 vs. S31655 Stainless Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while S31655 stainless steel belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-5 and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 630
710

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 65
17
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 250
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 3.6
4.0
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 14 to 17
19.5 to 21.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 1.0
Iron (Fe), % 6.0 to 10
63.2 to 71.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 70 to 78.5
8.0 to 9.5
Niobium (Nb), % 1.5 to 3.0
0
Nitrogen (N), % 0
0.14 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Residuals, % 0 to 0.5
0