CoCrWMo milling disc from our proven and successful product line Starbond CoS. This high-end product is specially designed for industrial milling units and is particularly suitable for the manufacture of crowns, bridges, frameworks, telescopes, bars, attachments and implant-supported superstructures. Free of nickel, Beryllium, lead and cadmium. Type 4 pursuant to DIN EN ISO 22674.
Advantages for users:
Excellent CTE of 14.2 ensures flexibilty in ceramic selection
No cooling phase required, depending on the ceramics
Easy polishing
Excellent metal-ceramic bonding
Laser weldable
Dry and wet milling
Composition in percent by mass:
Co - 59%
Cr - 25%
W - 9.5%
Mo - 3.5%
Si - 1%
C,Fe,Mn,N - <1%
Technical properties:
Proof stress (Rp 0.2) - 441MPa
Ultimate tensile strength - 639MPa
Elongation - 14%
Elastic modulus - 235GPa
Vickers hardness - 281HV10
Density - 8.8g/cm³
CTE (20-500°C) - 13.9 x 10⁻⁶K⁻¹
CTE (20-600°C) - 14.2 x 10⁻⁶K⁻¹
Laser weldable - Yes
Type (DIN EN ISO 22674) - 4