EN 1.7779 Steel vs. EN 1.5410 Steel
Both EN 1.7779 steel and EN 1.5410 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.7779 steel and the bottom bar is EN 1.5410 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 240 | |
| 170 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 | |
| 20 to 25 |
| Fatigue Strength, MPa | 430 | |
| 290 to 330 |
| Impact Strength: V-Notched Charpy, J | 38 | |
| 67 to 68 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 810 | |
| 560 to 620 |
| Tensile Strength: Yield (Proof), MPa | 660 | |
| 400 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 470 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.0 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.7 |
| Embodied Energy, MJ/kg | 41 | |
| 22 |
| Embodied Water, L/kg | 64 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1150 | |
| 430 to 610 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 29 | |
| 20 to 22 |
| Strength to Weight: Bending, points | 25 | |
| 19 to 21 |
| Thermal Diffusivity, mm2/s | 11 | |
| 14 |
| Thermal Shock Resistance, points | 23 | |
| 16 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.17 to 0.23 | |
| 0 to 0.12 |
| Chromium (Cr), % | 3.0 to 3.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 93.8 to 95.4 | |
| 96.9 to 98.6 |
| Manganese (Mn), % | 0.3 to 0.5 | |
| 1.2 to 1.8 |
| Molybdenum (Mo), % | 0.5 to 0.6 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.020 |
| Vanadium (V), % | 0.45 to 0.55 | |
| 0.050 to 0.1 |