EN 1.7227 Steel vs. EN 1.7335 Steel
Both EN 1.7227 steel and EN 1.7335 steel are iron alloys. Their average alloy composition is basically identical. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.7227 steel and the bottom bar is EN 1.7335 steel.
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 | 540 to 1850 | |
| 500 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 430 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 46 | |
| 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 2.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 20 | |
| 21 |
| Embodied Water, L/kg | 51 | |
| 52 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 65 | |
| 18 |
| Strength to Weight: Bending, points | 19 to 43 | |
| 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 12 |
| Thermal Shock Resistance, points | 16 to 54 | |
| 15 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.45 | |
| 0.080 to 0.18 |
| Chromium (Cr), % | 0.9 to 1.2 | |
| 0.7 to 1.2 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.3 |
| Iron (Fe), % | 96.5 to 98 | |
| 96.4 to 98.4 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0.4 to 0.6 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.35 |
| Sulfur (S), % | 0.020 to 0.040 | |
| 0 to 0.010 |