EN 1.7321 Steel vs. EN 1.7106 Steel
Both EN 1.7321 steel and EN 1.7106 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7321 steel and the bottom bar is EN 1.7106 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 170 | |
| 200 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 1460 | |
| 660 to 2020 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 45 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 2.1 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 20 | |
| 20 |
| Embodied Water, L/kg | 50 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 52 | |
| 24 to 73 |
| Strength to Weight: Bending, points | 18 to 36 | |
| 22 to 46 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 14 to 43 | |
| 20 to 61 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.23 | |
| 0.52 to 0.6 |
| Chromium (Cr), % | 0.3 to 0.6 | |
| 0.2 to 0.45 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 97.1 to 98.4 | |
| 95.9 to 97 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 0.4 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 1.6 to 2.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |