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EN 1.8151 Steel vs. AWS ERNi-1

EN 1.8151 steel belongs to the iron alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
69
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
470

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 50
73
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
19
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
19

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
60
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 1.8
11
Embodied Energy, MJ/kg 25
150
Embodied Water, L/kg 49
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24 to 70
15
Strength to Weight: Bending, points 22 to 45
15
Thermal Diffusivity, mm2/s 14
19
Thermal Shock Resistance, points 20 to 58
17

Alloy Composition


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Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.4 to 0.5
0 to 0.15
Chromium (Cr), % 0.4 to 0.8
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.9 to 97.2
0 to 1.0
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Nickel (Ni), % 0
93 to 98
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.3 to 1.7
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Vanadium (V), % 0.1 to 0.2
0
Residuals, % 0
0 to 0.5