ASTM A588 Steel vs. SAE-AISI 4023 Steel
Both ASTM A588 steel and SAE-AISI 4023 steel are iron alloys.
For each property being compared, the top bar is ASTM A588 steel and the bottom bar is SAE-AISI 4023 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 130 | 
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 | 
| Elongation at Break, % | 22 | |
| 23 | 
| Fatigue Strength, MPa | 270 | |
| 170 | 
| Poisson's Ratio | 0.29 | |
| 0.29 | 
| Shear Modulus, GPa | 73 | |
| 73 | 
| Shear Strength, MPa | 350 | |
| 280 | 
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 440 | 
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 230 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 260 | |
| 250 | 
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 | 
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 | 
| Melting Onset (Solidus), °C | 1410 to 1420 | |
| 1420 | 
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 | 
| Thermal Conductivity, W/m-K | 43 to 44 | |
| 51 | 
| Thermal Expansion, µm/m-K | 13 | |
| 12 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.1 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 8.1 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 2.5 | |
| 2.1 | 
| Density, g/cm3 | 7.8 | |
| 7.8 | 
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.6 | |
| 1.5 | 
| Embodied Energy, MJ/kg | 20 to 22 | |
| 19 | 
| Embodied Water, L/kg | 50 to 51 | |
| 47 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 86 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 140 | 
| Stiffness to Weight: Axial, points | 13 | |
| 13 | 
| Stiffness to Weight: Bending, points | 24 | |
| 24 | 
| Strength to Weight: Axial, points | 20 | |
| 16 | 
| Strength to Weight: Bending, points | 19 | |
| 16 | 
| Thermal Diffusivity, mm2/s | 12 | |
| 14 | 
| Thermal Shock Resistance, points | 16 | |
| 14 |