AuAg4,5Cu20,5 Material Datasheet
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| Material Number | Material Name | Standard Status | VDA 231-106 classification | |
|---|---|---|---|---|
| AuAg4,5Cu20,5 | AuAg4,5Cu20,5 | Valid | 4.2 | 1) |
| 1) Remark: The color gold jewelry alloy AuAg4.5Cu20.5, in the literature also 750Au-125Ag-125Cu, corresponds to a fineness of 750/1000 Au, also with 18 carats (24 carats is 1000/1000 Au = fine gold). The alloy (name: Au 750 S) has a red color and is used for rings and brooches, wedding rings, chains and braids, for precision castings as well as for driving and thermoforming work. |
Chemical Composition
| Ag [%] | Au [%] | Cu [%] | |
|---|---|---|---|
| blur | blur | blur | 1) |
| 1) Source: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Temperature [°C] | Hardness HV 10 | |
|---|---|---|
| blur | blur | 1) |
| 1) Source: blur |
Physical Properties
| Temperature [°C] | Melting Temperature [°C] | Density [g/cm³] | |
|---|---|---|---|
| blur | 1) | ||
| blur | blur | 1) | |
| 1) Source: blur |
Cross Reference
| Material Name |
|---|
| 18 Karat |
| 18 carat |
| 18K |
| 18C |
| 750 Gold |
| 750 |
| Rotgold |
| red gold |
| Au 750 S |
| 750Au-125Ag-125Cu |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| AuAg4,5Cu20,5 | Evonik-Degussa GmbH, Essen |