EN 1.1221 Steel vs. ASTM A514 Steel
Both EN 1.1221 steel and ASTM A514 steel are iron alloys.
For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 250 | |
| 240 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 10 to 21 | |
| 18 to 21 |
| Fatigue Strength, MPa | 240 to 340 | |
| 470 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 450 to 520 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 870 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 390 to 550 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 to 440 |
| 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 | 48 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.2 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.3 to 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 19 | |
| 21 to 25 |
| Embodied Water, L/kg | 47 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 67 to 130 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 to 800 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 31 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 23 to 26 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 13 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 23 to 28 | |
| 23 to 24 |