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Alloy wire Expansion Alloy 4j42 42h Glass Sealing 42 Nilo42 N42 Feni42 K94100 Alloy 42 wires

Short Description:

Alloy42 -4J42 (Expansion alloy)
(Common Name: 42H Glass Sealing 42, Nilo42, N42, FeNi42)

4J42 alloy is mainly composed of iron, nickel elements. It is characterized with a fixed coefficient of expansion. Increase the thermal expansion coefficient and the Curie point with increase of nickel content.
4J42 alloy is widely used the structure of the sealing material in the electric vacuum industry.


  • Model NO.: FeNi42
  • Usage: It Is Applied to Soft Glass-to-Metal and Ceramic-T
  • Specification: RoHS, SGS
  • Origin: China
  • Advantages: 1.Pass:ISO9001 Certification 2.Fine After-Sale Se
  • Status: Bright
  • Product Detail

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    1.Description:

    Grade And Chemical Composition
    Grade Mass fraction (%)
    C P S Mn Si Al C0 Ni Fe
    4J42 0.05 0.020 0.020 0.80 0.30 0.10 1.0 41.5~42.5 Balance

     

    Heat Treating Regime And Coefficient Of Linear Expansion
    Grade Heat treatment on samples
    4J42 Heat the sample to (900±20)°C in hydrogen atmosphere, keep the temperature for one hour, cool to below 200°C at the speed ≤5°C/min then
    discharge

     

    Coefficient Of Expansion
    Grade Average Coefficient Of Expansion a/(10-6/K)
    20~100°C 20~200°C 20~300°C 20~400°C 20~450°C 20~500°C 20~600°C
    4J42 5.6 4.9 4.8 5.9 6.9 7.8 9.2

    2.Size
    Foil:thickness:less than 0.05mm
    width: less than 200mm

    3.Usage
    It is applied to soft glass-to-metal and ceramic-to-metal seals in electronic component.

    4.MOQ
    50-100 kgs per each size; If we have in stock, 1kgs is available for us.

    5. Payment
    T/T, 30% deposit and the balance paid against the B/L copy.
    100% L/C at sight;
    Wesetern Union;
    Paypal;

    6.Shippment
    By Sea;
    By Air (DHL,TNT,UPS,FEDEX etc)

    7.Application
    Petrochemical Industry;    Pulp and paper Industry;        Aerospace Industry;
    Industrial Furnace;            Special Welding;                     Heating Treatment Industry;
    Nuclear Power Industry;    Marine Industry;                       Shipbuilding Industry;

    8.Packing
    Standard export packing, carton with plywood case for safety
    Wire: below dia 1.0mm, packed in spool; Above 1.0mm, packed in coil
    The goods can be packed as the clients demand.

    9.Delivery time
    We can do the order 45-50days upon receive the 30% deposit or L/C document.

    10.Advantages
    1.Pass:ISO9001 certification
    2.fine after-sale services
    3.small order accepted

    11.Delivery conditions and finishes


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