SAE-AISI 1140 Steel vs. ASTM A148 Cast Steel
Both SAE-AISI 1140 steel and ASTM A148 cast steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is ASTM A148 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 190 to 390 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 to 18 | |
| 5.7 to 25 |
| Fatigue Strength, MPa | 230 to 370 | |
| 280 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 39 to 46 | |
| 13 to 45 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 700 | |
| 630 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 340 to 570 | |
| 390 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 to 430 |
| 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 | 51 | |
| 37 to 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.3 to 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 8.3 to 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 2.3 to 3.3 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 18 | |
| 20 to 22 |
| Embodied Water, L/kg | 46 | |
| 48 to 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 93 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 870 | |
| 400 to 3570 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 22 to 46 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 21 to 34 |
| Thermal Diffusivity, mm2/s | 14 | |
| 9.9 to 13 |
| Thermal Shock Resistance, points | 18 to 21 | |
| 18 to 38 |