BegoStar - Au 54.0%

Extra-hard alloy with reduced gold content for metal-ceramic restorations
Copper-free – ideal for sensitive patients
Biocompatible and corrosion-resistant – biocompatibility confirmed by an independant institute
Product details
Composition in % by mass | |
---|---|
Au 54.0 · Pd 26.5 · Ag 15.5 · Sn 2.4 · In 1.4 · Re · Ru | |
Alloy characteristics | Standard values |
Type (ISO 22674) | 4 |
BEGO colour code | 8 |
Density | 13.8 g/cm3 |
Preheating temperature | 850 °C |
Solidus, liquidus temperature | 1 230, 1 280 °C |
Casting temperature | 1 420 °C |
Young’s modulus | 113 GPa |
Proof strength (Rp0,2) | 510 MPa |
Ultimate strength (Rm) | 680/700 MPa |
Elongation after fracture (A 5) | 15 % |
Vickers hardness | 225 HV5 |
Coefficient of thermal expansion (CTE) 25–500 °C, 10-6 K-1 | 14,0 |
Conditionnement | REF |
BegoStar®, 25gr* | 61080 |
Accessories | REF |
Laser welding wire : Begocer® G wire, Ø 0,35 mm | 61164 |
BegoStar® solder before firing | 61081 |
BEGO-GOLD solder after firing | 61017 |
Minoxyd Flux | 52530 |
*Sold in 25-gram pack. Price per gram fluctuates according to daily market prices.
The BEGO Colour Code

The areas of colours within the characteristic fields approximately correspond to the intensity of the alloy colours.
Copper-free – ideal for sensitive patients
Biocompatible and corrosion-resistant – biocompatibility confirmed by an independant institute