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AWS ERNiCrFe-6 vs. S44660 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while S44660 stainless steel belongs to the iron alloys. They have a modest 23% 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-6 and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
20
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 630
660

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 55
21
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.8
4.3
Embodied Energy, MJ/kg 140
61
Embodied Water, L/kg 260
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.3
4.5
Thermal Shock Resistance, points 19
21

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 14 to 17
25 to 28
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 8.0
60.4 to 71
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 67 to 81.5
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.5 to 3.5
0.2 to 1.0
Residuals, % 0 to 0.5
0