ASTM A204 Steel vs. ASTM A588 Steel
Both ASTM A204 steel and ASTM A588 steel are iron alloys.
For each property being compared, the top bar is ASTM A204 steel and the bottom bar is ASTM A588 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 to 22 | |
| 22 |
| Fatigue Strength, MPa | 200 to 220 | |
| 270 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 330 to 360 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 550 |
| Tensile Strength: Yield (Proof), MPa | 290 to 330 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 410 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1410 to 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 | |
| 43 to 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 2.3 to 2.5 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 to 1.6 |
| Embodied Energy, MJ/kg | 20 | |
| 20 to 22 |
| Embodied Water, L/kg | 47 | |
| 50 to 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 95 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 290 | |
| 400 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 20 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 19 |
| Thermal Diffusivity, mm2/s | 14 | |
| 12 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 16 |