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EN 1.1244 Steel vs. AWS ER120S-1

Both EN 1.1244 steel and AWS ER120S-1 are iron alloys. They have a very high 96% 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 1.1244 steel and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 730 to 770
930

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
25
Embodied Water, L/kg 47
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 28
33
Strength to Weight: Bending, points 23 to 24
27
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 23 to 25
27

Alloy Composition


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Aluminum (Al), % 0 to 0.050
0 to 0.1
Carbon (C), % 0.65 to 0.75
0 to 0.1
Chromium (Cr), % 0
0 to 0.6
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 98.1 to 99.2
92.4 to 96.1
Manganese (Mn), % 0.8 to 1.1
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 0
2.0 to 2.8
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.4
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5