ACI-ASTM CK20 Steel vs. EN 1.5023 Steel
Both ACI-ASTM CK20 steel and EN 1.5023 steel are iron alloys. They have 54% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is EN 1.5023 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 170 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 570 to 1860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 400 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1440 |
| Melting Onset (Solidus), °C | 1430 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 14 | |
| 48 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 1.9 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 62 | |
| 19 |
| Embodied Water, L/kg | 190 | |
| 45 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 | |
| 21 to 67 |
| Strength to Weight: Bending, points | 19 | |
| 20 to 43 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 13 |
| Thermal Shock Resistance, points | 13 | |
| 17 to 56 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0.35 to 0.42 |
| Chromium (Cr), % | 23 to 27 | |
| 0 |
| Iron (Fe), % | 46.7 to 58 | |
| 96.9 to 97.7 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.5 to 0.8 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 19 to 22 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 2.0 | |
| 1.5 to 1.8 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.025 |