SAE-AISI D2 Steel vs. EN 1.1221 Steel
Both SAE-AISI D2 steel and EN 1.1221 steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI D2 steel and the bottom bar is EN 1.1221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.0 to 16 | |
| 10 to 21 |
| Fatigue Strength, MPa | 310 to 860 | |
| 240 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 72 |
| Shear Strength, MPa | 460 to 1160 | |
| 450 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 2000 | |
| 730 to 870 |
| Tensile Strength: Yield (Proof), MPa | 470 to 1510 | |
| 390 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 31 | |
| 48 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.1 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 2.1 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 1.5 |
| Embodied Energy, MJ/kg | 50 | |
| 19 |
| Embodied Water, L/kg | 100 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 to 100 | |
| 67 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 5940 | |
| 410 to 800 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 72 | |
| 26 to 31 |
| Strength to Weight: Bending, points | 24 to 46 | |
| 23 to 26 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 13 |
| Thermal Shock Resistance, points | 25 to 67 | |
| 23 to 28 |
Alloy Composition
| Carbon (C), % | 1.4 to 1.6 | |
| 0.57 to 0.65 |
| Chromium (Cr), % | 11 to 13 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 81.3 to 86.9 | |
| 97.1 to 98.8 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.7 to 1.2 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |
| Vanadium (V), % | 0 to 1.1 | |
| 0 |