EN 1.5662 Steel vs. SAE-AISI 81B45 Steel
Both EN 1.5662 steel and SAE-AISI 81B45 steel are iron alloys. They have a moderately high 91% 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 1.5662 steel and the bottom bar is SAE-AISI 81B45 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 160 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 12 to 24 |
| Fatigue Strength, MPa | 380 to 450 | |
| 250 to 350 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 460 to 470 | |
| 340 to 400 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 540 to 670 |
| Tensile Strength: Yield (Proof), MPa | 550 to 660 | |
| 350 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.7 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.8 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 2.3 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 1.5 |
| Embodied Energy, MJ/kg | 31 | |
| 20 |
| Embodied Water, L/kg | 63 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 77 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1150 | |
| 320 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 19 to 24 |
| Strength to Weight: Bending, points | 23 | |
| 19 to 22 |
| Thermal Shock Resistance, points | 22 | |
| 17 to 21 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00050 to 0.0030 |
| Carbon (C), % | 0 to 0.1 | |
| 0.43 to 0.48 |
| Chromium (Cr), % | 0 | |
| 0.35 to 0.55 |
| Iron (Fe), % | 88.6 to 91.2 | |
| 97 to 98 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0.080 to 0.15 |
| Nickel (Ni), % | 8.5 to 10 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.35 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.040 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |