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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

Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100
Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100 Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100 Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

Large Image :  Invar 42 Controlled Expansion Alloys Nilo42 ASTM F30 UNS K94100

Product Details:
Place of Origin: China
Brand Name: AIWEN
Certification: ISO9001:2015
Model Number: 4J42
Payment & Shipping Terms:
Minimum Order Quantity: 30kg
Price: Negotiable
Packaging Details: Plywood case
Delivery Time: 40~45 days
Payment Terms: T/T
Supply Ability: 500kg per week
Detailed Product Description
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
High Light:

Invar 42 Controlled Expansion Alloys

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ASTM F30 Controlled Expansion Alloys

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8.11g/cm3 Controlled Expansion Alloys

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

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 Invar 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

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