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Nicrallium N7

NICRALLIUM® N7 ingots are made of a nickel- and beryllium-free, type 5 cobalt-based non-precious dental alloy for metal-ceramic restorations.. Lire plus

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NICRALLIUM® N7 ingots are made of a nickel- and beryllium-free, type 5 cobalt-based non-precious dental alloy for metal-ceramic restorations.

The presence of molybdenum allows the alloy to be stable at high temperatures, facilitating the bonding with the ceramic. It can also be used for the manufacture of dental and orthopaedic implants.

NICRALLIUM is a registered trademark of BCS Dental Alloys

Chemical composition

C
  • 0.3%
Si
  • 0.7%
Mo
  • 5.5%
Cr
  • 28%
Co
  • 64.4%
Mn
  • 0.6%
Other
  • 0.5

Mechanical properties

DENSITY
8.40
HARDNESS
290 HV
MODULUS OF ELASTICITY
205 GPa
YIELD STRENGTH UNDER TENSION 0.2%
550 MPa
ULTIMATE TENSILE STRESS
750 MPa
ELONGATION AT BREAK
9 %
MELTING RANGE SOLIDUS
1200 C°
MELTING RANGE LIQUIDUS
1380 C°
COEFFICIENT OF THERMAL EXPANSION FROM 20 TO 500°C
14.2 x 10-6
The above values are provided for indication purposes.

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