ASTM A285 Carbon Steel vs. ASTM A204 Steel
Both ASTM A285 carbon steel and ASTM A204 steel are iron alloys.
For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is ASTM A204 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 130 | |
| 160 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 30 to 34 | |
| 18 to 22 |
| Fatigue Strength, MPa | 150 to 180 | |
| 200 to 220 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 250 to 290 | |
| 330 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 450 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 190 to 230 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 410 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1470 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 53 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.4 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.5 |
| Embodied Energy, MJ/kg | 18 | |
| 20 |
| Embodied Water, L/kg | 46 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 90 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 94 to 150 | |
| 220 to 290 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 15 to 17 |