| Characteristics | ||
|---|---|---|
| The specified data are standard values. Subject to change. |
||
| REF | 61080 | |
| Colour code | 8 | |
| Density [g/cm³] | 13.8 | |
| Vickers hardness (HV 5) |
soft | 205 |
| after casting/firing | 225 | |
| hardened | 230 | |
| Elongation limit (Rp 0,2) [MPa] |
soft | 460 |
| after casting/firing | 510 | |
| hardened | 530 | |
| Ductile yield (A5) [%] |
soft | 21 |
| after casting/firing | 15 | |
| hardened | 13 | |
| Modulus of elasticity approx. [GPa] |
113 | |
| Average grain size [µm] | 30 | |
| Melting interval [°C] | 1230-1280 | |
| Casting temperature approx. [°C] | 1420 | |
| Preheating temperature [°C] | 850 | |
| CTE 25–500 °C (25–600°C) [10-6 K-1] |
14,0 (14,2) | |
| Oxide firing | °C | 960 |
| Min. | 10 | |
| with vacuum | - | |
| Solders | Before firing | BegoStar® -Lot 1125°C |
| After firing | BEGO-Gold-Lot I 810°C |
|
| Composition % by mass | |
|---|---|
| (x = < 1 %) | |
| Au | 54 |
| Pt | 0 |
| Pd | 26,5 |
| Ag | 15,5 |
| Cu | 0 |
| Sn | 2,4 |
| Zn | 0 |
| In | 1,4 |
| Other elements (< 1 %) |
Ru Re |
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.