ASTM A217 Cast Steel vs. ASTM A227 Spring Steel
Both ASTM A217 cast steel and ASTM A227 spring steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is ASTM A227 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 210 | |
| 500 to 640 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 21 to 27 | |
| 12 |
| Fatigue Strength, MPa | 200 to 320 | |
| 900 to 1160 |
| Poisson's Ratio | 0.28 to 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 to 75 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 710 | |
| 1720 to 2220 |
| Tensile Strength: Yield (Proof), MPa | 270 to 460 | |
| 1430 to 1850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 to 600 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 to 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 to 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 26 to 50 | |
| 52 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 9.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 to 11 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 7.0 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 2.1 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 to 28 | |
| 19 |
| Embodied Water, L/kg | 47 to 87 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 200 to 260 |
| Stiffness to Weight: Axial, points | 13 to 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 25 | |
| 61 to 79 |
| Strength to Weight: Bending, points | 19 to 23 | |
| 41 to 48 |
| Thermal Diffusivity, mm2/s | 6.9 to 14 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 20 | |
| 55 to 71 |