Annealed ASTM B522 Class I vs. Annealed ASTM B596
Both annealed ASTM B522 class I and annealed ASTM B596 are otherwise unclassified metals. Both are furnished in the annealed condition. They have 69% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is annealed ASTM B522 class I and the bottom bar is annealed ASTM B596.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 100 |
| Elongation at Break, % | 29 | |
| 17 |
| Knoop Hardness | 88 | |
| 150 |
| Poisson's Ratio | 0.41 | |
| 0.41 |
| Shear Modulus, GPa | 34 | |
| 36 |
| Shear Strength, MPa | 180 | |
| 280 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 77 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1060 |
| Melting Onset (Solidus), °C | 1030 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 150 |
| Thermal Expansion, µm/m-K | 15 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 6.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 18 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 3.1 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 8.5 |
| Strength to Weight: Axial, points | 4.4 | |
| 6.8 |
| Strength to Weight: Bending, points | 5.5 | |
| 7.1 |
| Thermal Shock Resistance, points | 13 | |
| 22 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 9.0 to 11 |
| Gold (Au), % | 68 to 70 | |
| 89 to 91 |
| Platinum (Pt), % | 5.0 to 7.0 | |
| 0 |
| Silver (Ag), % | 23.5 to 26.5 | |
| 0 |
| Residuals, % | 0 to 0.35 | |
| 0 to 0.4 |