WIROBOND 280 NON PRECIOUS ALLOY 1KG
BE50134- 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
1KG
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