EN 1.7703 Steel vs. EN 1.7335 Steel
Both EN 1.7703 steel and EN 1.7335 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 1.7703 steel and the bottom bar is EN 1.7335 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 150 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 21 to 22 |
| Fatigue Strength, MPa | 320 to 340 | |
| 200 to 220 |
| Impact Strength: V-Notched Charpy, J | 46 | |
| 31 to 35 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 73 |
| Shear Strength, MPa | 420 to 430 | |
| 310 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 500 to 520 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 280 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 430 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1470 |
| Melting Onset (Solidus), °C | 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 2.8 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 35 | |
| 21 |
| Embodied Water, L/kg | 61 | |
| 52 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 2.7 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 91 to 97 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 210 to 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 18 |
| Strength to Weight: Bending, points | 22 | |
| 18 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 15 |
Alloy Composition
| Carbon (C), % | 0.11 to 0.15 | |
| 0.080 to 0.18 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 0.7 to 1.2 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.3 |
| Iron (Fe), % | 94.6 to 96.4 | |
| 96.4 to 98.4 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0.4 to 0.6 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |