Austempered Cast Iron vs. ASTM B563 Pd-Ag-Cu
Austempered cast iron belongs to the iron alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is ASTM B563 Pd-Ag-Cu.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 100 |
| Elongation at Break, % | 1.1 to 13 | |
| 7.0 to 17 |
| Poisson's Ratio | 0.29 | |
| 0.37 |
| Shear Modulus, GPa | 62 to 69 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 760 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 150 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1180 |
| Melting Onset (Solidus), °C | 1340 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 260 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 14 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 17 to 22 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 39 to 61 |
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 |
| Copper (Cu), % | 0 to 0.8 | |
| 15.5 to 16.5 |
| Iron (Fe), % | 89.6 to 94 | |
| 0 |
| 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 | |
| 0.8 to 1.2 |
| Palladium (Pd), % | 0 | |
| 43 to 45 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 0.8 to 1.2 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 |
| Silver (Ag), % | 0 | |
| 37 to 39 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 to 0.020 | |
| 0 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |