Annealed ASTM B522 Class II vs. Annealed ASTM B617
Both annealed ASTM B522 class II and annealed ASTM B617 are otherwise unclassified metals. Both are furnished in the annealed condition. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is annealed ASTM B522 class II and the bottom bar is annealed ASTM B617.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 75 |
| Elongation at Break, % | 28 | |
| 22 |
| Poisson's Ratio | 0.41 | |
| 0.37 |
| Shear Modulus, GPa | 34 | |
| 28 |
| Shear Strength, MPa | 180 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 120 |
| Melting Completion (Liquidus), °C | 1030 | |
| 870 |
| Melting Onset (Solidus), °C | 1030 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 250 |
| Thermal Expansion, µm/m-K | 15 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 83 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.7 | |
| 72 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 4.1 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 14 |
| Strength to Weight: Axial, points | 4.4 | |
| 7.7 |
| Strength to Weight: Bending, points | 5.5 | |
| 9.3 |
| Thermal Shock Resistance, points | 13 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 | |
| 9.0 to 10.4 |
| Gold (Au), % | 68.5 to 69.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Platinum (Pt), % | 5.5 to 6.5 | |
| 0 |
| Silver (Ag), % | 24.5 to 25.5 | |
| 89.6 to 91 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.060 |
| Residuals, % | 0 to 0.26 | |
| 0 to 0.060 |