ASTM A27 Cast Steel vs. EN 1.4421 Stainless Steel
Both ASTM A27 cast steel and EN 1.4421 stainless 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 A27 cast steel and the bottom bar is EN 1.4421 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 25 to 27 | |
| 11 to 17 |
| Fatigue Strength, MPa | 170 to 230 | |
| 380 to 520 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 880 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 620 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 870 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 16 |
| Thermal Expansion, µm/m-K | 12 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 to 7.1 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 12 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 18 | |
| 36 |
| Embodied Water, L/kg | 45 to 46 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 96 to 120 | |
| 120 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 260 | |
| 960 to 2270 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 16 to 20 | |
| 31 to 39 |
| Strength to Weight: Bending, points | 17 to 19 | |
| 26 to 30 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.4 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 31 to 39 |