EN 1.7335 Steel vs. EN 1.7366 Steel
Both EN 1.7335 steel and EN 1.7366 steel are iron alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7335 steel and the bottom bar is EN 1.7366 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 160 | |
| 140 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 to 22 | |
| 17 to 19 |
| Fatigue Strength, MPa | 200 to 220 | |
| 160 to 320 |
| Impact Strength: V-Notched Charpy, J | 31 to 35 | |
| 38 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 74 |
| Shear Strength, MPa | 310 to 330 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 520 | |
| 460 to 710 |
| Tensile Strength: Yield (Proof), MPa | 280 to 310 | |
| 230 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 510 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 44 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.8 | |
| 4.3 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 1.7 |
| Embodied Energy, MJ/kg | 21 | |
| 23 |
| Embodied Water, L/kg | 52 | |
| 69 |
Common Calculations
| PREN (Pitting Resistance) | 2.7 | |
| 6.8 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 to 97 | |
| 74 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 260 | |
| 140 to 600 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 18 | |
| 17 to 23 |
| Thermal Diffusivity, mm2/s | 12 | |
| 11 |
| Thermal Shock Resistance, points | 15 | |
| 13 to 20 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.18 | |
| 0 to 0.18 |
| Chromium (Cr), % | 0.7 to 1.2 | |
| 4.0 to 6.0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 96.4 to 98.4 | |
| 91.9 to 95.3 |
| Manganese (Mn), % | 0.4 to 1.0 | |
| 0.3 to 0.8 |
| Molybdenum (Mo), % | 0.4 to 0.6 | |
| 0.45 to 0.65 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |