SAE-AISI 1042 Steel vs. ASTM A356 Grade 1
Both SAE-AISI 1042 steel and ASTM A356 grade 1 are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1042 steel and the bottom bar is ASTM A356 grade 1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 18 | |
| 23 |
| Fatigue Strength, MPa | 230 to 370 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 39 to 50 | |
| 39 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 700 | |
| 550 |
| Tensile Strength: Yield (Proof), MPa | 340 to 580 | |
| 280 |
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 | 52 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 94 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 320 to 900 | |
| 210 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 20 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 19 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 20 to 22 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0.4 to 0.47 | |
| 0 to 0.35 |
| Iron (Fe), % | 98.5 to 99 | |
| 98.3 to 100 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 0.7 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.030 |