| Characteristics | ||
|---|---|---|
| The specified data are standard values. Subject to change. |
||
| REF | 61104 | |
| Colour code | 5 | |
| Density [g/cm³] | 18.8 | |
| Vickers hardness (HV 5) |
soft | 160 |
| after casting/firing | 225 | |
| hardened | 235 | |
| Elongation limit (Rp 0,2) [MPa] |
soft | 380 |
| after casting/firing | 550 | |
| hardened | 560 | |
| Ductile yield (A5) [%] |
soft | 11 |
| after casting/firing | 8 | |
| hardened | 6 | |
| Modulus of elasticity approx. [GPa] |
100 | |
| Average grain size [µm] | 20 | |
| Melting interval [°C] | 1040-1150 | |
| Casting temperature approx. [°C] | 1270 | |
| Preheating temperature [°C] | 850 | |
| CTE 25–500 °C (25–600°C) [10-6 K-1] |
14,2 (14,4) | |
| Oxide firing | °C | 950 |
| Min. | 10 | |
| with vacuum | - | |
| Solders | Before firing | PontoStar® G-Lot 1030°C |
| After firing | BEGO-Gold-Lot I 810°C |
|
| Composition % by mass | |
|---|---|
| (x = < 1 %) | |
| Au | 87 |
| Pt | 10,6 |
| Pd | 0 |
| Ag | 0 |
| Cu | 0 |
| Sn | 0 |
| Zn | 1,5 |
| In | x |
| Other elements (< 1 %) |
Rh Mn Ta |
BEGO-GOLD alloys and solders are medical divices in accordance with Regulation 93/42 EEC.
According to Annex IX, the products are classified in Class IIa.