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4J42 Iron - Nickel Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

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4J42 Iron - Nickel Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

Brand Name : XUNSHI

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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4J42 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.

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

NILO 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

Element Ni Mn Si C Cr P S Al Fe
Weight(%) 41.5~42.5 0.80 max 0.30 max 0.05 max 0.25 max 0.025 max 0.025 max 0.10 max Remainder

Applications:

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

Typical Thermal Expansion of NILO 42

Temperature range

Total

Expansion

 Mean Linear Coefficient
°C °F 10-3 10-6 /°C 10-6 /°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

Product Tags:

thermal expansion nickel

      

corrosion resistant alloys

      
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