ASTM A148 Cast Steel vs. AISI 440A Stainless Steel
Both ASTM A148 cast steel and AISI 440A stainless steel are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is AISI 440A stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 5.7 to 25 | |
| 5.0 to 20 |
| Fatigue Strength, MPa | 280 to 670 | |
| 270 to 790 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
| 730 to 1790 |
| Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
| 420 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 to 430 | |
| 760 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1480 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 37 to 47 | |
| 23 |
| Thermal Expansion, µm/m-K | 13 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 7.5 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.6 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 3.3 | |
| 9.0 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 2.2 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 31 |
| Embodied Water, L/kg | 48 to 53 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 87 to 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 46 | |
| 26 to 65 |
| Strength to Weight: Bending, points | 21 to 34 | |
| 23 to 43 |
| Thermal Diffusivity, mm2/s | 9.9 to 13 | |
| 6.2 |
| Thermal Shock Resistance, points | 18 to 38 | |
| 26 to 65 |