EN 1.3961 Alloy vs. EN 1.6580 Steel
Both EN 1.3961 alloy and EN 1.6580 steel are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.6580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 31 | |
| 11 to 19 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 300 | |
| 450 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 450 | |
| 720 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 460 to 990 |
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 | |
| 4.3 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 66 | |
| 23 |
| Embodied Water, L/kg | 110 | |
| 59 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 560 to 2590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 15 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 16 | |
| 23 to 31 |
| Thermal Shock Resistance, points | 130 | |
| 21 to 34 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.26 to 0.34 |
| Chromium (Cr), % | 0 to 0.25 | |
| 1.8 to 2.2 |
| Iron (Fe), % | 60.7 to 65 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 35 to 37 | |
| 1.8 to 2.2 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.035 |