Nilo 48 (For Springs)

Tech Spring Manufacturing Corp. is a high quality Metal Spring Manufacturer in Taiwan, offering Wave Springs, Retaining Rings and Constant Force Spring with good quality and reasonable price.

Nilo 48 (For Springs)

A Nickel-Iron, controlled expansion alloy containing 48% Nickel. Its coefficient of thermal expansion was designed to match that of soft lead and soda-lime glasses. This alloy also has a high inflection point.
Nilo 48 is also known as Invar 48 and Magnifer 50.


Nickel Base Wire for wire springs, flat springs and wire products

Key Features
  • Coefficient of thermal expansion designed to match that of soft lead and soda-lime glasses.
  • High inflection point.
Typical Applications

Industrial thermostats that operate at temperatures up to 450°C (840°F).
Glass to metal seals

Approx. Operating Temperature

up to +450°C
up to+840°F

Chemical Composition
ElementNiCrFeMnCSiSPAl
Min %48.00
nominal
bal
Max %48.00
nominal
0.25bal0.800.050.300.030.0250.10
Wire Type
  • Round
  • Flat Wire
  • Shaped Wire
  • Rope/Strand
Specifications
  • ASTM F30
Designations
  • W.NR 1.3922
  • W.NR 1.3926
  • W.NR 1.3927
  • UNS K94800
  • AWS 092
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