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Nilo 48* W.NR: 1.3922 1.3926 1.3927 , UNS: K94800 , *Trade name of Special Metals Group of Companies

A Nickel-Iron, controlled expansion alloy containing 48% Nickel. It's coefficient of thermal expansion was designed to match that of soft lead and soda-lime glasses. This alloy also has a high inflection point. Applications include industrial thermostats that operate at temperatures up to 450°C and various glass to metal seals.
 
Approx Chemical Composition (%)
Ni
Fe
48
BAL
 

 

 
Density
(g/cm3)
8.2 Melting
Point (°C)
1450
Coefficient of Expansion

8.5 µ m/m °C At 20 - 100°C
8.3-9.3 µ m/m °C At 20 - 400°C

Inflection Point 460° C  
Thermal Conductivity 16.7  
Heat Treatments The Nilo alloys are usually used in the annealed condition (residual cold work distorts the coefficients of thermal expansion).
  Annealed 850 - 1000°C
Approx. Tensile Annealed 450 - 550 N/mm2 450-550 N/mm2
  Spring Temper 700-900 N/mm2
     
Click here for standard available sizes and forms...
 
 
     
If any of the specifications do not fall within your requirements please enquire:
Tel: +44 (0)1384 566775 or e-mail us at:
 


 

Narrowboat Way, Hurst Business Park, Brierley Hill, West Midlands, DY5 1UF UK
Tel: +44(0) 1384 566775     Fax: +44(0) 1384 410074
email:

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