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Iron Nickel Alloy 42 Tube Sealing Structure Material For Electric Vacuum Industry

Categories Nickel Based Alloys
Brand Name: JINXING
Model Number: Alloy 42 Tube
Certification: ISO 9001
Place of Origin: China
MOQ: 20kg
Price: 15~100USD
Payment Terms: L/C, D/P, D/A, T/T, Western Union
Supply Ability: 10000kgs/M
Delivery Time: 15~30days
Packaging Details: Plywood case
Material: Alloy 42
Hardness HB: ≤130
Yield Strength: 300 Mpa min
Tensile Strength: 500 Mpan min
Elongation: 30% min
Surface: Pickled, Polished
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Iron Nickel Alloy 42 Tube Sealing Structure Material For Electric Vacuum Industry

Alloy 42 Tube Ni42 Fe42Ni (UNS K94100 /ASTM F30) expansion alloy

Alloy42 tube is an iron nickel constant expansion alloy. It is a series of constant expansion alloys that can match soft glass and ceramics with different expansion coefficients in a given temperature range by adjusting nickel content. Its expansion coefficient and Curie point increase with the increase of nickel content. The alloy is a widely used sealing structure material in the electric vacuum industry.


  • Description

Alloy 42 belong to a controlled expansion alloy Similar called: 4J42, Nio 42, NI42 Fe42Ni (UNS K94100 /ASTM F30) (aka Pernifer 402, NILO 424, Glass Seal 421).


Characteristics: The expansion coefficient is matched with the material to be sealed, and the plasticity is good. Easy to process, no phase change occurs in the working temperature range, good electrical conductivity, thermal conductivity, and high mechanical strength and good processability. The fixed expansion alloys used for sealing include Fe-Ni, Fe-Ni-Co, Fe-Ni-Cr, Ni-Co, as well as oxygen-free copper, tungsten, molybdenum and alloys thereof, composite materials and the like.


Alloy TypeTrade NameUNS No.StandardForms
RodStripWireSheet
Ni29Co17KovarK94610ASTM F15yesyesyesyes
FeNi36Invar 36K93603ASTM 1684yesyesyesyes
FeNi32Co5Super-invar 32-5K93500ASTM F1684yesyesyesyes
FeNi33Co17Ni33Co17YB/T5234-94yesyesyesyes
FeNi27Co25CeramvarF1466ASTM F1466yesyesyesyes
Fe28CrAlloy 27K92801ASTM F256yesyesyes 
Fe42Ni6CrAlloy 426K94760ASTM F31yesyesyes 
Fe42NiAlloy 42K94100ASTM F30yesyesyesyes 
Fe45NiAlloy45YB/5235-2005yesyesyes 
Fe46NiAlloy46K94600ASTM F30yesyesyesyes
Fe50NiAlloy52K95050ASTM F30yesyesyesyes

Cheap Iron Nickel Alloy 42 Tube Sealing Structure Material For Electric Vacuum Industry for sale
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