ASTM B522 Class II vs. C55284 Copper
ASTM B522 class II belongs to the otherwise unclassified metals classification, while C55284 copper belongs to the copper alloys. There are 15 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 ASTM B522 class II and the bottom bar is C55284 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 100 |
| Poisson's Ratio | 0.41 | |
| 0.34 |
| Shear Modulus, GPa | 34 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 490 | |
| 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 180 |
| Melting Completion (Liquidus), °C | 1030 | |
| 800 |
| Melting Onset (Solidus), °C | 1030 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 380 |
| Thermal Expansion, µm/m-K | 15 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 6.5 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 18 |
| Strength to Weight: Axial, points | 4.4 to 7.8 | |
| 5.6 |
| Strength to Weight: Bending, points | 5.5 to 8.0 | |
| 8.0 |
| Thermal Shock Resistance, points | 13 to 24 | |
| 7.4 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 79.2 to 80.7 |
| Gold (Au), % | 68.5 to 69.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 4.8 to 5.2 |
| Platinum (Pt), % | 5.5 to 6.5 | |
| 0 |
| Silver (Ag), % | 24.5 to 25.5 | |
| 14.5 to 15.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Residuals, % | 0 to 0.26 | |
| 0 to 0.15 |