Nilo 42 (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 42 (For Springs)

A Nickel-Iron, low expansion alloy containing 42% Nickel. It has a low and nominally constant coefficient of thermal expansion from room temperature to about 300°C (570°F).
Nilo 42 is also known as Invar 42, Pernifer 40, Dilaton 42, and Glass Sealing 42.


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

Key Features
  • Low and nominally constant coefficient of thermal expansion from room temperature to about 300°C (570°F).
Typical Applications

Semiconductor lead frames
Thermostat rods
Various glass to metal seals

Approx. Operating Temperature

up to +300°C
up to +570°F

Chemical Composition
ElementNiCrFeMnCSiSPAl
Min %41.00
nominal
bal
Max %41.00
nominal
0.25bal0.800.050.300.030.030.10
Wire Type
  • Round
  • Flat Wire
  • Shaped Wire
  • Rope/Strand
Specifications
  • ASTM F30
Designations
  • W.NR 1.3917
  • UNS K94100
  • AWS 091
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