| Characteristics | ||
|---|---|---|
| The specified data are standard values. Subject to change. |
||
| REF | 61025 | |
| Colour code | 4 | |
| Density [g/cm³] | 15.6 | |
| Vickers hardness (HV 5) |
soft | 155 |
| after casting/firing | 250 | |
| hardened | 255 | |
| Elongation limit (Rp 0,2) [MPa] |
soft | 330 |
| after casting/firing | 580 | |
| hardened | 600 | |
| Ductile yield (A5) [%] |
soft | 18 |
| after casting/firing | 6 | |
| hardened | 4 | |
| Modulus of elasticity approx. [GPa] |
120 | |
| Average grain size [µm] | 30 | |
| Melting interval [°C] | 980-1070 | |
| Casting temperature approx. [°C] | 1200 | |
| Preheating temperature [°C] | 700-750 | |
| CTE 25–500 °C (25–600°C) [10-6 K-1] |
16,2 (16,4) | |
| Oxide firing | °C | 800 |
| Min. | 10 | |
| with vacuum | - | |
| Solders | Before firing | PontoRex® -Lot 880°C |
| After firing | PontoRex® -Lot I 710°C |
|
| Composition % by mass | |
|---|---|
| (x = < 1 %) | |
| Au | 72,8 |
| Pt | 2 |
| Pd | 5,7 |
| Ag | 16,1 |
| Cu | 0 |
| Sn | 0 |
| Zn | 3 |
| In | 0 |
| Other elements (< 1 %) |
Mn Rh |
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.