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EN 1.8818 Steel vs. AWS ERNiMo-3

EN 1.8818 steel belongs to the iron alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.8818 steel and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
83
Tensile Strength: Ultimate (UTS), MPa 440
770

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1600
Melting Onset (Solidus), °C 1420
1540
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
70
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.6
15
Embodied Energy, MJ/kg 21
190
Embodied Water, L/kg 49
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 13
24

Alloy Composition


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Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 0 to 0.35
4.0 to 6.0
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.6
0 to 0.5
Iron (Fe), % 95.9 to 99.985
4.0 to 7.0
Manganese (Mn), % 0 to 1.6
0 to 1.0
Molybdenum (Mo), % 0 to 0.13
23 to 26
Nickel (Ni), % 0 to 0.35
53.7 to 69
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0 to 0.1
0 to 0.6
Residuals, % 0
0 to 0.5