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EN 1.7366 Steel vs. AWS ERNiFeCr-2

EN 1.7366 steel belongs to the iron alloys classification, while AWS ERNiFeCr-2 belongs to the nickel 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 (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is AWS ERNiFeCr-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 460 to 710
1300

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.7
13
Embodied Energy, MJ/kg 23
190
Embodied Water, L/kg 69
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 16 to 25
43
Strength to Weight: Bending, points 17 to 23
32
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 13 to 20
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0 to 0.18
0 to 0.080
Chromium (Cr), % 4.0 to 6.0
17 to 21
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
11.6 to 24.6
Manganese (Mn), % 0.3 to 0.8
0 to 0.35
Molybdenum (Mo), % 0.45 to 0.65
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2
Residuals, % 0
0 to 0.5