EN 1.1203 Steel vs. ASTM A202 Steel
Both EN 1.1203 steel and ASTM A202 steel are iron alloys.
For each property being compared, the top bar is EN 1.1203 steel and the bottom bar is ASTM A202 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 230 | |
| 180 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 15 | |
| 17 to 18 |
| Fatigue Strength, MPa | 210 to 310 | |
| 240 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 420 to 480 | |
| 360 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 780 | |
| 590 to 670 |
| Tensile Strength: Yield (Proof), MPa | 340 to 480 | |
| 350 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 48 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.1 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 47 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 69 to 100 | |
| 93 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 610 | |
| 330 to 350 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 25 to 28 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 17 to 20 |