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Wirobond® 280

The non-precious premium alloy for more than 10 years

  • Wirobond® 280 is setting standards in the non-precious metaltoceramic alloy segment because of a Vickers hardness of 280 HV10, it can be finished to a particularly high standard
  • Extremely corrosion resistant thanks to the optimal interaction of the indispensable elements chrome and molybdenum
  • Very good melting and casting properties
  • No prolonged cooling necessary*, even with large spans
  • Secure bonding with ceramics
  • High strength irrespective of the span size, and therefore a wide range of indications
  • Reliable processing in accordance with the proven BEGO system
  • Biocompatible and corrosion-resistant
Composition in % by mass
Co 60.2 · Cr 25.0 · W 6.2 · Mo 4.8 · Ga 2.9 · Mn · Si
Alloy characteristics Standard values
Type (ISO 22674) 4
Density 8.6 g/cm³
Preheating temperature 900–1000 °C
Solidus, liquidus temperature 1355, 1430 °C
Casting temperature approx. 1500 °C
Young’s modulus 220 GPa
Proof strength (Rp0.2) 480 MPa
Elongation after fracture (A5) 9%
Vickers hardness 280 HV10
Coefficient of thermal expansion (CTE) 25 – 500 °C, 10-6 K-1 14.3

ISO 22674 · ISO 9693-1

Availability Contents REF
Wirobond® 280 1000 g 50134
Wirobond® 280 250 g 50135

ISO 22674 · ISO 9693-1

Accessories Contents REF
Wiroweld CoCr laser wire, carbon-free, Ø 0.35 mm 2 m – 1.5 g 50003
Wiroweld CoCr laser wire, carbon-free, Ø 0.5 mm 1.5 m – 2 g 50005
Wirobond® -soldering rods 4g 52622

ISO 22674 · ISO 9693-1

Contact / Service

BEGO USA Inc.
24 Albion Road
Suite 103
Lincoln, RI 02865


BEGO Order:
Phone: 401-334-9261
Email: begoorders@begousa.com


BEGO Product Info:
Phone: 401-334-9261
Email: begoinfo@begousa.com


BEGO Service:
Phone: 401-475-3196
Email: begoservice@begousa.com

* Exceptions: Creation (Willi Geller), Reflex® (Wieland Dental + Technik GmbH & Co. KG)

Pictures and illustrations are exemplary. Colors, symbols, design, and information on the labels and/or packaging shown may differ from reality.