14K Yellow Gold (Au-Cu-Ag-Zn) vs Pure Silver (Ag 99.9%)
Property comparison of 14K Yellow Gold (Au-Cu-Ag-Zn) and Pure Silver (Ag 99.9%), both precious metal.
| Property | 14K Yellow Gold (Au-Cu-Ag-Zn) | Pure Silver (Ag 99.9%) | Difference |
|---|---|---|---|
| Tensile strength | 350 MPa | 125 MPa | -64% |
| Elongation | 25 % | 40 % | +60% |
| Elastic modulus | 68,000 MPa | 71,000 MPa | +4% |
| Density | 13,000 kg/m³ | 10,490 kg/m³ | -19% |
| Thermal conductivity | 200 W/m·K | 428 W/m·K | +114% |
| Specific heat | 150 J/kg·K | 235 J/kg·K | +57% |
| Coefficient of thermal expansion | 0.000016 1/K | 0.00002 1/K | +26% |
| Melting point | 880 °C | 962 °C | +9% |
Difference is Pure Silver (Ag 99.9%) relative to 14K Yellow Gold (Au-Cu-Ag-Zn). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- 14K yellow
- standard
- Smithells Metals Reference Book 8th Ed.
- heat treatment
- annealed
- grade
- fine silver
- standard
- ESPI Metals technical data / NBS Circular 412
- heat treatment
- annealed
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