Austempered Cast Iron vs. Grade 200 Maraging Steel
Both austempered cast iron and grade 200 maraging steel are iron alloys. They have 71% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is grade 200 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 190 |
| Elongation at Break, % | 1.1 to 13 | |
| 9.1 to 18 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 62 to 69 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 970 to 1500 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 690 to 1490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 260 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1460 |
| Melting Onset (Solidus), °C | 1340 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 460 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 31 |
| Density, g/cm3 | 7.5 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 4.5 |
| Embodied Energy, MJ/kg | 25 | |
| 59 |
| Embodied Water, L/kg | 48 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 3970 | |
| 1240 to 5740 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 33 to 51 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 27 to 35 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 29 to 45 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0.050 to 0.15 |
| Arsenic (As), % | 0 to 0.020 | |
| 0 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 3.4 to 3.8 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 8.0 to 9.0 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 |
| Iron (Fe), % | 89.6 to 94 | |
| 67.8 to 71.8 |
| Magnesium (Mg), % | 0 to 0.040 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.4 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 3.0 to 3.5 |
| Nickel (Ni), % | 0 to 2.0 | |
| 17 to 19 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.010 |
| Tin (Sn), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.25 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |