Austempered Cast Iron vs. R60802 Alloy
Austempered cast iron belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is R60802 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 98 |
| Elongation at Break, % | 1.1 to 13 | |
| 22 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 62 to 69 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 560 to 1460 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 270 |
| Thermal Conductivity, W/m-K | 42 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 6.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 | |
| 6.5 |
| Embodied Water, L/kg | 48 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 95 | |
| 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 3970 | |
| 380 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 18 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 19 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 53 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Arsenic (As), % | 0 to 0.020 | |
| 0 |
| Carbon (C), % | 3.4 to 3.8 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0.050 to 0.15 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 |
| Iron (Fe), % | 89.6 to 94 | |
| 0.070 to 0.2 |
| Magnesium (Mg), % | 0 to 0.040 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0.030 to 0.080 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 to 0.020 | |
| 1.2 to 1.7 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 97.8 to 98.7 |
| Residuals, % | 0 | |
| 0 to 0.11 |