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Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

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Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

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Brand Name : AIWEN

Model Number : 4J42

Certification : ISO9001:2015

Place of Origin : China

MOQ : 30kg

Price : Negotiable

Payment Terms : T/T

Supply Ability : 500kg per week

Delivery Time : 40~45 days

Packaging Details : Plywood case

Equal grades : ASTM F30, UNS K94100, Nilo42

Spec : ASTM F30

Density : 8.11g/cm3

Standard : ASTM F30 UNS K94100

Product Name : Controlled Expansion Alloys

Model : 4J42

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Invar 42 Iron-nickel Constant Expansion Alloy Nilo42 ASTM F30 UNS K94100


Iron-nickel constant expansion alloys are a series of constant expansion alloys which can match soft glass and ceramics with different expansion coefficients in a given temperature range by adjusting nickel content. The coefficient of expansion and Curie point increase with the increase of nickel content. The alloy is widely used as a sealing structural material in the electric vacuum industry.


Invar 42 Controlled Expansion Sealing Alloy W.Nr 1.3917 ASTM F30 UNS K94100


Invar 42, also known as UNS K94100/W. Nr. 1.3917, is a binary FeNi alloy containing 42% nickel.


It has a low and nominally constant, coefficient of expansion in the range of 20-300°C (85-570°F).


Chemical composition

ElementNiMnSiCCrPSAlFe
Weight(%)41.5~42.50.80 max0.30 max0.05 max0.25 max0.025 max0.025 max0.10 maxRemainder

Applications:

  • Tooling for aerospace composites
  • Thermostat rods
  • Semiconductor lead frames
  • Thermostatic bi-metal strip
  • Glass sealing applications

Typical Thermal Expansion of Invar 42

Temperature range

Total

Expansion

Mean Linear Coefficient
°C°F10-310-6 /°C10-6 /°F
20-100
20-150
20-200
20-250
20-300
20-350
20-400
20-450
20-500
68-212
68-302
68-392
68-482
68-572
68-662
68-752
68-842
68-932
0.42
0.69
0.95
1.22
1.48
1.80
2.36
3.05
3.84
5.3
5.3
5.3
5.3
5.3
5.4
6.2
7.1
8.0
2.9
2.9
2.9
2.9
2.9
3.0
3.4
3.9
4.4

Quality Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100 for sale

Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100 Images

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