EN 1.7366 Steel vs. EN 1.7767 Steel
Both EN 1.7366 steel and EN 1.7767 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 1.7366 steel and the bottom bar is EN 1.7767 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 210 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 19 | |
| 20 |
| Fatigue Strength, MPa | 160 to 320 | |
| 320 to 340 |
| Impact Strength: V-Notched Charpy, J | 38 | |
| 46 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 74 |
| Shear Strength, MPa | 290 to 440 | |
| 420 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 710 | |
| 670 to 690 |
| Tensile Strength: Yield (Proof), MPa | 230 to 480 | |
| 460 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 510 | |
| 480 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.1 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.3 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 4.5 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.4 |
| Embodied Energy, MJ/kg | 23 | |
| 33 |
| Embodied Water, L/kg | 69 | |
| 64 |
Common Calculations
| PREN (Pitting Resistance) | 6.8 | |
| 6.4 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 110 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 600 | |
| 570 to 650 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 25 | |
| 24 |
| Strength to Weight: Bending, points | 17 to 23 | |
| 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 19 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.18 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 4.0 to 6.0 | |
| 2.8 to 3.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 91.9 to 95.3 | |
| 93.8 to 95.8 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Niobium (Nb), % | 0 | |
| 0 to 0.070 |
| Nitrogen (N), % | 0 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.2 to 0.3 |