Annealed ASTM B685 Alloy vs. Grade M3210 Cast Iron
Annealed ASTM B685 alloy belongs to the otherwise unclassified metals classification, while grade M3210 cast iron belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is annealed ASTM B685 alloy and the bottom bar is grade M3210 cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 180 |
| Elongation at Break, % | 23 | |
| 10 |
| Poisson's Ratio | 0.37 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 70 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 260 |
| Melting Completion (Liquidus), °C | 1230 | |
| 1410 |
| Melting Onset (Solidus), °C | 1200 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 300 | |
| 480 |
| Thermal Expansion, µm/m-K | 14 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.1 | |
| 8.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 11 | |
| 7.6 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 15 | |
| 25 |
| Strength to Weight: Axial, points | 17 | |
| 13 |
| Strength to Weight: Bending, points | 16 | |
| 14 |
| Thermal Shock Resistance, points | 28 | |
| 9.9 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 2.2 to 2.9 |
| Copper (Cu), % | 39.5 to 40.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 93.6 to 96.7 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.15 to 1.3 |
| Palladium (Pd), % | 59 to 60.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.020 to 0.15 |
| Silicon (Si), % | 0 | |
| 0.9 to 1.9 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0.020 to 0.2 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |