EN 1.0033 +A Steel vs. EN 1.1244 +A Steel
Both EN 1.0033 +A steel and EN 1.1244 +A steel are iron alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.0033 +A steel and the bottom bar is EN 1.1244 +A steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 86 | |
| 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 31 | |
| 24 |
| Fatigue Strength, MPa | 120 | |
| 280 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 200 | |
| 470 |
| Tensile Strength: Ultimate (UTS), MPa | 300 | |
| 730 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 53 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.9 |
| 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 | 45 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 63 | |
| 400 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 10 | |
| 26 |
| Strength to Weight: Bending, points | 13 | |
| 23 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 9.4 | |
| 23 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.11 | |
| 0.65 to 0.75 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 98.8 to 100 | |
| 98.1 to 99.2 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0.8 to 1.1 |
| Oxygen (O), % | 0 | |
| 0 to 0.0020 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.045 | |
| 0 to 0.030 |