EN 1.7779 Steel vs. EN 1.7362 Steel
Both EN 1.7779 steel and EN 1.7362 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 1.7779 steel and the bottom bar is EN 1.7362 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 240 | |
| 150 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 | |
| 21 to 22 |
| Fatigue Strength, MPa | 430 | |
| 140 to 250 |
| Impact Strength: V-Notched Charpy, J | 38 | |
| 38 to 46 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 74 |
| Shear Strength, MPa | 500 | |
| 320 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 810 | |
| 510 to 600 |
| Tensile Strength: Yield (Proof), MPa | 660 | |
| 200 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 470 | |
| 510 |
| 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 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 9.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.0 | |
| 4.5 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 41 | |
| 23 |
| Embodied Water, L/kg | 64 | |
| 69 |
Common Calculations
| PREN (Pitting Resistance) | 5.0 | |
| 6.9 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 90 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1150 | |
| 100 to 340 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 29 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 25 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 23 | |
| 14 to 17 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.17 to 0.23 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 3.0 to 3.3 | |
| 4.0 to 6.0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 93.8 to 95.4 | |
| 91.5 to 95.2 |
| Manganese (Mn), % | 0.3 to 0.5 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.5 to 0.6 | |
| 0.45 to 0.65 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.0050 |
| Vanadium (V), % | 0.45 to 0.55 | |
| 0 |