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AWS ERNiCrMo-2 vs. EN 1.3555 Steel

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while EN 1.3555 steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 750
770

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.2
5.6
Embodied Energy, MJ/kg 120
81
Embodied Water, L/kg 270
90

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.1 to 0.15
Chromium (Cr), % 20.5 to 23
3.9 to 4.3
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 17 to 20
85.4 to 87.7
Manganese (Mn), % 0 to 1.0
0.15 to 0.35
Molybdenum (Mo), % 8.0 to 10
4.0 to 4.5
Nickel (Ni), % 40.3 to 53.8
3.2 to 3.6
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.1 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0.2 to 1.0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Residuals, % 0 to 0.5
0