EN 1.7272 Steel vs. C70250 Copper
EN 1.7272 steel belongs to the iron alloys classification, while C70250 copper belongs to the copper alloys.
For each property being compared, the top bar is EN 1.7272 steel and the bottom bar is C70250 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 1650 | |
| 520 to 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 210 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1100 |
| Melting Onset (Solidus), °C | 1420 | |
| 1080 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 45 | |
| 170 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 36 to 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 37 to 51 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.2 | |
| 31 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.9 |
| Embodied Energy, MJ/kg | 19 | |
| 45 |
| Embodied Water, L/kg | 49 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 17 to 59 | |
| 16 to 23 |
| Strength to Weight: Bending, points | 18 to 40 | |
| 16 to 21 |
| Thermal Diffusivity, mm2/s | 12 | |
| 49 |
| Thermal Shock Resistance, points | 14 to 48 | |
| 18 to 26 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.28 to 0.33 | |
| 0 |
| Chromium (Cr), % | 0.4 to 0.55 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 92.7 to 97.5 |
| Iron (Fe), % | 97.2 to 98.3 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 | |
| 0.050 to 0.3 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0.1 to 0.15 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 2.2 to 4.2 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0.25 to 1.2 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |