EN 1.3961 Alloy vs. EN 1.6571 Steel
Both EN 1.3961 alloy and EN 1.6571 steel are iron alloys. They have 65% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is EN 1.6571 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 450 | |
| 520 to 1460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Expansion, µm/m-K | 1.3 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 3.4 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 1.7 |
| Embodied Energy, MJ/kg | 66 | |
| 22 |
| Embodied Water, L/kg | 110 | |
| 53 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 15 | |
| 19 to 51 |
| Strength to Weight: Bending, points | 16 | |
| 18 to 36 |
| Thermal Shock Resistance, points | 130 | |
| 15 to 43 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.16 to 0.23 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0.6 to 0.9 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 60.7 to 65 | |
| 95.3 to 97.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.5 to 0.9 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0.25 to 0.35 |
| Nickel (Ni), % | 35 to 37 | |
| 1.4 to 1.7 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.020 | |
| 0.020 to 0.040 |