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AWS ERNiCrFe-6 vs. S17400 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while S17400 stainless steel belongs to the iron alloys. They have a modest 24% 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 (12, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
11 to 21
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 630
910 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1320
1400
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
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
14
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 260
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
32 to 49
Strength to Weight: Bending, points 19
27 to 35
Thermal Diffusivity, mm2/s 3.3
4.5
Thermal Shock Resistance, points 19
30 to 46

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 14 to 17
15 to 17
Copper (Cu), % 0 to 0.5
3.0 to 5.0
Iron (Fe), % 0 to 8.0
70.4 to 78.9
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Nickel (Ni), % 67 to 81.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
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
Residuals, % 0 to 0.5
0