Nilo 52 (For Springs) | Over 31 Years Metal Wave Springs & Retaining Rings Manufacturer | Tech Spring Manufacturing Corp.

Nickel Base Wire for wire springs, flat springs and wire products / 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 52 (For Springs)

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. 565°C (1050°F).
Nilo 52 is also known as Invar 52, Pernifer 50, and Glass Sealing 52.


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

Key Features
  • Designed for use with a variety of soft glasses.
  • Almost constant coefficient of thermal expansion up to approx. 565°C (1050°F).
Typical Applications

Various glass to metal sealing applications with soft glass and ceramics.

Approx. Operating Temperature

up to +450°C
up to+840°F

Chemical Composition
ElementNiCrFeMnCSiSPAl
Min %50.50 nominalbal
Max %0.25bal0.600.050.300.030.0250.10
Wire Type
  • Round
  • Flat Wire
  • Shaped Wire
  • Rope/Strand
Specifications
  • ASTM F30
Designations
  • W.NR 2.4478
  • UNS N14052
  • AWS 093
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