Austempered Cast Iron vs. EN 1.4923 Stainless Steel
Both austempered cast iron and EN 1.4923 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 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 austempered cast iron and the bottom bar is EN 1.4923 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.1 to 13 | |
| 12 to 21 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 62 to 69 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 870 to 980 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 470 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1450 |
| Melting Onset (Solidus), °C | 1340 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 480 |
| Thermal Conductivity, W/m-K | 42 | |
| 24 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 8.0 |
| Density, g/cm3 | 7.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 25 | |
| 41 |
| Embodied Water, L/kg | 48 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 3970 | |
| 570 to 1580 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 31 to 35 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 11 | |
| 6.5 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 30 to 34 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Arsenic (As), % | 0 to 0.020 | |
| 0 |
| Carbon (C), % | 3.4 to 3.8 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 0 to 0.1 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 |
| Iron (Fe), % | 89.6 to 94 | |
| 83.5 to 87.1 |
| Magnesium (Mg), % | 0 to 0.040 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.4 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0.3 to 0.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 0.020 | |
| 0 |
| Vanadium (V), % | 0 to 0.1 | |
| 0.25 to 0.35 |