ASTM A414 Steel vs. ASTM A572 Steel
Both ASTM A414 steel and ASTM A572 steel are iron alloys.
For each property being compared, the top bar is ASTM A414 steel and the bottom bar is ASTM A572 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 180 | |
| 140 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 15 to 26 | |
| 18 to 25 |
| Fatigue Strength, MPa | 140 to 260 | |
| 240 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 230 to 370 | |
| 300 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 360 to 590 | |
| 470 to 620 |
| Tensile Strength: Yield (Proof), MPa | 190 to 350 | |
| 330 to 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 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 | 49 to 50 | |
| 51 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 to 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.4 | |
| 8.2 to 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.2 | |
| 2.0 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 1.6 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 22 |
| Embodied Water, L/kg | 48 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 69 to 130 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 330 | |
| 290 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 21 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 14 to 20 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 17 | |
| 14 to 18 |