ASTM A217 Cast Steel vs. SAE-AISI H21 Steel
Both ASTM A217 cast steel and SAE-AISI H21 steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is SAE-AISI H21 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Poisson's Ratio | 0.28 to 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 to 75 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 710 | |
| 720 to 1790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1450 to 1460 | |
| 1630 |
| Melting Onset (Solidus), °C | 1410 to 1420 | |
| 1580 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Conductivity, W/m-K | 26 to 50 | |
| 27 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 7.0 | |
| 23 |
| Density, g/cm3 | 7.8 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 2.1 | |
| 4.5 |
| Embodied Energy, MJ/kg | 20 to 28 | |
| 68 |
| Embodied Water, L/kg | 47 to 87 | |
| 72 |
Common Calculations
| PREN (Pitting Resistance) | 2.5 to 13 | |
| 19 |
| Stiffness to Weight: Axial, points | 13 to 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 23 |
| Strength to Weight: Axial, points | 19 to 25 | |
| 23 to 58 |
| Strength to Weight: Bending, points | 19 to 23 | |
| 21 to 38 |
| Thermal Diffusivity, mm2/s | 6.9 to 14 | |
| 7.1 |
| Thermal Shock Resistance, points | 16 to 20 | |
| 24 to 59 |