Nilo 52 was designed for use with a variety of soft glasses.  It is known for its almost constant coefficient of thermal expansion up to approx. 565oC (1050oF).

Applications include:

  • Various glass to metal sealing applications with soft
    glass and ceramics.
     
Approximate Chemical Composition
Ni 52%
Fe BAL
DENSITY 8.3 g/cm3 0.300 lb/in3
MELTING POINT 1450oC 2640oF
INFLECTION POINT 500°C 930°F
THERMAL CONDUCTIVITY 17 W/m•°C 118 btu•in/ft2•h°F
COEFFICIENT OF EXPANSION 10.3 µm/m °C
( 20 - 100°C)
5.7 x 10-6 in/in °F
( 70 - 212°F)
 

HEAT TREATMENT (AFTER FORMING)

The Nilo alloys are usually used in the annealed condition (residual cold work distorts the coefficients of thermal expansion.

Anneal at 850 - 1000°C (1560 - 1830°F)

 
CONDITION  

APPROX TENSILE STRENGTH

 

APPROX SERVICE TEMPERATURE

Annealed 450-550 N/mm2 65-80 ksi up to 450oC up to 840oF
Hard Drawn 700-900 N/mm2 102-131 ksi up to 450oC up to 840oF
 
STANDARDS
ASTM F30
 


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