AISI 440A Stainless Steel vs. ASTM A217 Cast Steel
Both AISI 440A stainless steel and ASTM A217 cast steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is ASTM A217 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 5.0 to 20 | |
| 21 to 27 |
| Fatigue Strength, MPa | 270 to 790 | |
| 200 to 320 |
| Poisson's Ratio | 0.28 | |
| 0.28 to 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 to 75 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 540 to 710 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 270 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 to 270 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 410 to 600 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1450 to 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 to 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 26 to 50 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.3 to 9.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.4 to 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 2.4 to 7.0 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.5 to 2.1 |
| Embodied Energy, MJ/kg | 31 | |
| 20 to 28 |
| Embodied Water, L/kg | 120 | |
| 47 to 87 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 2.5 to 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 110 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 to 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 to 25 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 19 to 25 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 19 to 23 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 6.9 to 14 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 16 to 20 |