EN 1.7703 Steel vs. SAE-AISI D3 Steel
Both EN 1.7703 steel and SAE-AISI D3 steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.7703 steel and the bottom bar is SAE-AISI D3 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 9.8 to 15 |
| Fatigue Strength, MPa | 320 to 340 | |
| 310 to 940 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 74 |
| Shear Strength, MPa | 420 to 430 | |
| 470 to 1220 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 770 to 2050 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 480 to 1550 |
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 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 | |
| 31 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 3.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 8.0 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 3.2 |
| Embodied Energy, MJ/kg | 35 | |
| 48 |
| Embodied Water, L/kg | 61 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 97 to 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 28 to 74 |
| Strength to Weight: Bending, points | 22 | |
| 24 to 47 |
| Thermal Diffusivity, mm2/s | 11 | |
| 8.3 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 23 to 63 |
Alloy Composition
| Carbon (C), % | 0.11 to 0.15 | |
| 2.0 to 2.4 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 11 to 13.5 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.25 |
| Iron (Fe), % | 94.6 to 96.4 | |
| 80.3 to 87 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 0.6 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 to 0.3 |
| 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 0.6 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 1.0 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 to 1.0 |