C81400 Copper vs. AWS BAu-1
C81400 copper belongs to the copper alloys classification, while AWS BAu-1 belongs to the otherwise unclassified metals. They have 63% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is C81400 copper and the bottom bar is AWS BAu-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.37 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 150 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1020 |
| Melting Onset (Solidus), °C | 1070 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 290 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 13 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 18 | |
| 12 |
| Strength to Weight: Axial, points | 11 | |
| 4.5 |
| Strength to Weight: Bending, points | 13 | |
| 6.1 |
| Thermal Shock Resistance, points | 13 | |
| 8.5 |
Alloy Composition
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| Beryllium (Be), % | 0.020 to 0.1 | |
| 0 |
| Chromium (Cr), % | 0.6 to 1.0 | |
| 0 |
| Copper (Cu), % | 98.4 to 99.38 | |
| 61.9 to 63 |
| Gold (Au), % | 0 | |
| 37 to 38 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |