ASTM A203 Steel vs. EN 1.0225 Steel
Both ASTM A203 steel and EN 1.0225 steel are iron alloys.
For each property being compared, the top bar is ASTM A203 steel and the bottom bar is EN 1.0225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 130 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 22 to 26 | |
| 6.7 to 24 |
| Fatigue Strength, MPa | 210 to 280 | |
| 170 to 220 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 330 to 370 | |
| 280 to 290 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 440 to 500 |
| Tensile Strength: Yield (Proof), MPa | 290 to 390 | |
| 230 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 to 8.7 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 to 4.0 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 21 to 23 | |
| 18 |
| Embodied Water, L/kg | 50 to 52 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 31 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 140 to 390 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 14 to 16 |