Wirobond® SG

Cobalt-chrome metal-toceramic alloy

  • Nickel- and beryllium-free
  • Reliable use even in problematic cases and restorations with large bridge spans
  • Simple and reliable casting time recognition thanks to optimal silicon content
  • Normal cooling facilitates economical and effective working
  • Reliable metal-ceramic bond with no need for an additional, expensive bonder
  • Biocompatible and corrosion-resistant
Composition in % by mass
Co 63.8 · Cr 24.8 · W 5.3 · Mo 5.1 · Si 1.0
Alloy characteristics Standard values
Type (ISO 22674) 4
Density 8.6 g/cm3
Preheating temperature 900–1000 °C
Solidus, liquidus temperature 1385, 1420 °C
Casting temperature approx. 1480 °C
Young’s modulus 200 GPa
Proof strength (Rp0.2) 485 MPa
Elongation after fracture (A5) 11 %
Vickers hardness 305 HV10
Coefficient of thermal expansion (CTE) 25 – 500 °C, 10-6 K-1 14.3

ISO 22674 · ISO 9693-1

Availability Contents REF
Wirobond® SG 1000 g 50128
Wirobond® SG 250 g 50127

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® solder 4g 52622

ISO 22674 · ISO 9693-1

Contact / Service

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

Phone: 800 342 2346
Cell: 774 571-0395
Fax: 401 334-9265
E-Mail: info@begousa.com

Images and illustrations are examples. Colors, symbols, designs, and information on the depicted labels and/or packaging may differ from reality.