EN 1.7703 Steel vs. EN 1.3963 Alloy
Both EN 1.7703 steel and EN 1.3963 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.3963 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 29 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 74 | |
| 72 |
| Shear Strength, MPa | 420 to 430 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 440 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1430 |
| Melting Onset (Solidus), °C | 1430 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Expansion, µm/m-K | 13 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 25 |
| Density, g/cm3 | 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 4.8 |
| Embodied Energy, MJ/kg | 35 | |
| 66 |
| Embodied Water, L/kg | 61 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 24 | |
| 15 |
| Strength to Weight: Bending, points | 22 | |
| 16 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 110 |
Alloy Composition
| Carbon (C), % | 0.11 to 0.15 | |
| 0 to 0.050 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 94.6 to 96.4 | |
| 60.5 to 64.9 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.25 | |
| 35 to 37 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0.1 to 0.2 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |