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
Availability 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 I 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.

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