ASTM A203 Grade E vs. ASTM A36 Carbon Steel
Both ASTM A203 grade E and ASTM A36 carbon steel are iron alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is ASTM A203 grade E and the bottom bar is ASTM A36 carbon steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 24 | |
| 22 |
| Fatigue Strength, MPa | 220 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 350 | |
| 300 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 290 |
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 | |
| 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.0 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 23 | |
| 18 |
| Embodied Water, L/kg | 52 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 17 |
| Strength to Weight: Bending, points | 19 | |
| 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 16 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.23 | |
| 0 to 0.26 |
| Iron (Fe), % | 94.6 to 96.7 | |
| 99.25 to 100 |
| Manganese (Mn), % | 0 to 0.88 | |
| 0 |
| Nickel (Ni), % | 3.2 to 3.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.13 to 0.45 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.050 |