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Wiron® light

The non-precious alloy for metal-to-ceramic work, with light oxide – beryllium-free

  • Simple casting, easy finishing, reliable working
  • The outstanding melting properties of the alloy ensure reliable filling of the mould
  • The oxide of Wiron® light is considerably lighter in colour in comparison to conventional NiCr alloys and can be removed very quickly and easily
  • The reduced preheating temperature of 800°C means that a very smooth surface of the cast object is achieved
  • Normal cooling with many of the ceramics – for time-saving, economical veneering
  • The favourable CTE value permits reliable ceramic veneering
  • Biocompatible and highly corrosion-resistant thanks to a firmly adhering passive layer
Composition in % by mass
Ni 64.6 · Cr 22.0 · Mo 10.0 · Si 2.1 · B · Mn · Nb
Alloy characteristics Standard values
Type (ISO 22674) 4
Density 8.2 g/cm3
Preheating temperature 800 °C
Solidus, liquidus temperature 1210, 1280 °C
Casting temperature approx. 1350 °C
Young’s modulus 185 GPa
Proof strength (Rp0.2) 460 MPa
Elongation after fracture (A5) 9%
Vickers hardness 280 HV10
Coefficient of thermal expansion (CTE) 25–500 °C, 10-6 K-1 13.7

ISO 22674 · ISO 9693-1

Availability Contents REF
Wiron® light 1000 g 50270
Wiron® light 250 g 50272

ISO 22674 · ISO 9693-1

Accessories Contents REF
Wiroweld CoCr laser wire, carbon-free, Ø 0.35 mm 5.5 m – 4 g 50006
Wiron® solder 4g 52625
Diapol Diamond polishing compound 5g 52305

ISO 22674 · ISO 9693-1

Contact / Service

24 Albion Road
Suite 103
Lincoln, RI 02865

BEGO Order:
Phone: 401-334-9261

BEGO Product Info:
Phone: 401-334-9261

BEGO Service:
Phone: 401-475-3196

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