AWS E120C-K4 vs. EN 1.7231 Steel
Both AWS E120C-K4 and EN 1.7231 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is EN 1.7231 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 17 | |
11 to 12 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 950 | |
790 to 930 |
Tensile Strength: Yield (Proof), MPa | 840 | |
570 to 800 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1410 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 41 | |
46 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.5 | |
2.5 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.7 | |
1.5 |
Embodied Energy, MJ/kg | 23 | |
20 |
Embodied Water, L/kg | 54 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
87 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 1880 | |
870 to 1700 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 34 | |
28 to 33 |
Strength to Weight: Bending, points | 27 | |
24 to 27 |
Thermal Diffusivity, mm2/s | 11 | |
12 |
Thermal Shock Resistance, points | 28 | |
23 to 27 |
Alloy Composition
Carbon (C), % | 0 to 0.15 | |
0.38 to 0.45 |
Chromium (Cr), % | 0.15 to 0.65 | |
0.8 to 1.2 |
Copper (Cu), % | 0 to 0.35 | |
0 |
Iron (Fe), % | 92.1 to 98.4 | |
96.4 to 98.1 |
Manganese (Mn), % | 0.75 to 2.3 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 0.25 to 0.65 | |
0.15 to 0.3 |
Nickel (Ni), % | 0.5 to 2.5 | |
0 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.8 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.030 |
Vanadium (V), % | 0 to 0.030 | |
0 |
Residuals, % | 0 to 0.5 | |
0 |