EN 1.7703 Steel vs. EN 1.7233 Steel
Both EN 1.7703 steel and EN 1.7233 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.7703 steel and the bottom bar is EN 1.7233 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 210 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 18 to 23 |
| Fatigue Strength, MPa | 320 to 340 | |
| 270 to 530 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 73 |
| Shear Strength, MPa | 420 to 430 | |
| 450 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 380 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 430 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 39 | |
| 39 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 3.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 35 | |
| 21 |
| Embodied Water, L/kg | 61 | |
| 53 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 3.3 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 110 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 380 to 1630 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 25 to 34 |
| Strength to Weight: Bending, points | 22 | |
| 22 to 28 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 21 to 28 |
Alloy Composition
| Carbon (C), % | 0.11 to 0.15 | |
| 0.39 to 0.45 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 1.2 to 1.5 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 94.6 to 96.4 | |
| 96.2 to 97.5 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0.5 to 0.7 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.035 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |