EN 1.1127 Steel vs. ASTM A572 Steel
Both EN 1.1127 steel and ASTM A572 steel are iron alloys.
For each property being compared, the top bar is EN 1.1127 steel and the bottom bar is ASTM A572 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 230 | |
| 140 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 25 | |
| 18 to 25 |
| Fatigue Strength, MPa | 280 to 370 | |
| 240 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 420 to 480 | |
| 300 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 790 | |
| 470 to 620 |
| Tensile Strength: Yield (Proof), MPa | 410 to 580 | |
| 330 to 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 49 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.2 to 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 19 | |
| 22 |
| Embodied Water, L/kg | 49 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 140 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 880 | |
| 290 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 28 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 14 to 18 |