Hot Rolled SAE-AISI 1021 vs. EN 1.5113 +U Steel
Both hot rolled SAE-AISI 1021 and EN 1.5113 +U steel are iron alloys. Both are furnished in the hot worked condition. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is hot rolled SAE-AISI 1021 and the bottom bar is EN 1.5113 +U steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 27 | |
| 18 |
| Fatigue Strength, MPa | 190 | |
| 220 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 54 | |
| 68 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 310 | |
| 360 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 19 |
| Embodied Water, L/kg | 46 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 270 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 | |
| 21 |
| Strength to Weight: Bending, points | 17 | |
| 20 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 15 | |
| 17 |
Alloy Composition
| Carbon (C), % | 0.18 to 0.23 | |
| 0 to 0.1 |
| Iron (Fe), % | 98.8 to 99.22 | |
| 97 to 97.5 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 1.6 to 1.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0.9 to 1.1 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.025 |