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EN 1.5918 Steel vs. AWS E120C-K4

Both EN 1.5918 steel and AWS E120C-K4 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5918 steel and the bottom bar is AWS E120C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 530 to 1390
950

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 56
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 49
34
Strength to Weight: Bending, points 18 to 35
27
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 15 to 41
28

Alloy Composition

Carbon (C), % 0.14 to 0.2
0 to 0.15
Chromium (Cr), % 1.4 to 1.7
0.15 to 0.65
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 94.9 to 96.6
92.1 to 98.4
Manganese (Mn), % 0.5 to 0.9
0.75 to 2.3
Molybdenum (Mo), % 0
0.25 to 0.65
Nickel (Ni), % 1.4 to 1.7
0.5 to 2.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5