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EN 1.8159 Steel vs. AWS ERNiCrMo-2

EN 1.8159 steel belongs to the iron alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8159 steel and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 660 to 1980
750

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 46
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
55
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.9
9.2
Embodied Energy, MJ/kg 26
120
Embodied Water, L/kg 52
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 70
25
Strength to Weight: Bending, points 21 to 45
22
Thermal Diffusivity, mm2/s 13
2.9
Thermal Shock Resistance, points 19 to 58
20

Alloy Composition

Carbon (C), % 0.47 to 0.55
0.050 to 0.15
Chromium (Cr), % 0.9 to 1.2
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.4 to 97.8
17 to 20
Manganese (Mn), % 0.7 to 1.1
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0
Vanadium (V), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.5