ASTM A203 Steel vs. ASTM A514 Steel
Both ASTM A203 steel and ASTM A514 steel are iron alloys.
For each property being compared, the top bar is ASTM A203 steel and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 240 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 22 to 26 | |
| 18 to 21 |
| Fatigue Strength, MPa | 210 to 280 | |
| 470 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 330 to 370 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 290 to 390 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 to 440 |
| 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 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 7.2 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 to 8.7 | |
| 8.3 to 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 to 4.0 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.7 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 21 to 23 | |
| 21 to 25 |
| Embodied Water, L/kg | 50 to 52 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 14 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 23 to 24 |