EN 1.1221 Steel vs. ASTM A414 Steel
Both EN 1.1221 steel and ASTM A414 steel are iron alloys.
For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is ASTM A414 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 250 | |
| 110 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 10 to 21 | |
| 15 to 26 |
| Fatigue Strength, MPa | 240 to 340 | |
| 140 to 260 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 450 to 520 | |
| 230 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 870 | |
| 360 to 590 |
| Tensile Strength: Yield (Proof), MPa | 390 to 550 | |
| 190 to 350 |
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 | 48 | |
| 49 to 50 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.2 to 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.3 to 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.2 |
| Density, g/cm3 | 7.8 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 to 1.6 |
| Embodied Energy, MJ/kg | 19 | |
| 20 to 22 |
| Embodied Water, L/kg | 47 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 67 to 130 | |
| 69 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 to 800 | |
| 100 to 330 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 31 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 23 to 26 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 23 to 28 | |
| 11 to 17 |