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4J46 Qws Tswj Expansion Alloy Bar Fe Ni Alloy rau iav thiab Ceramic Sealing

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Product Description

4J46 alloy pas nrig yog Fe-Ni tswj kev nthuav dav hlau nrog txog 46% npib tsib xee, tsim los rau iav-rau-hlau thiab ceramic-rau-hlau sealing daim ntaub ntawv. Nws thermal expansion coefficient sib tw nrog cov iav tawv thiab ceramics, kom ntseeg tau tias zoo heev hermetic sealing thiab kev ntseeg tau.

Cov alloy no muaj cov yam ntxwv ntawm kev nthuav dav ruaj khov, kev ua haujlwm zoo, thiab kev ua haujlwm siab sealing, ua rau nws siv dav hauv cov ntim khoom semiconductor, lub tshuab nqus tsev, relays, sensors, aerospace devices, thiab precision electronic Cheebtsam.


  • Ceev:8.2 g / cm³
  • Thermal Expansion (20-400 ° C):5.0 × 10⁻⁶/°C
  • Tensile zog:450 MPa
  • Hardness:HB 130–160
  • Ntawv pov thawj:ISO 9001, SGS, RoHS
  • Nto:Bright / Polished / Dub
  • Product Detail

    FAQ

    Khoom cim npe

    Cov yam ntxwv tseem ceeb

    • Fe-Ni tswj expansion alloy (Ni ~ 46%)

    • Zoo sealing nrog ceramics thiab iav tawv

    • Txhim khu kev qha thermal expansion stability

    • Zoo machinability thiab polishability

    • Muab nyob rau hauv rods, xov hlau, nplooj ntawv, customized daim ntawv


    Tej kev siv

    • iav-rau-hlau sealing

    • Ceramic-rau-hlau sealing

    • Semiconductor ntim cov hauv paus

    • Relays, sensors, lub tshuab nqus tsev vacuum

    • Aerospace thiab tiv thaiv cov khoom siv hluav taws xob

    • Hermetic sealing hauv precision ntsuas


    Chemical Composition (%)

    Element Cov ntsiab lus
    Fe Tshuav
    Ni ~ 46%
    Mn, Si, C, thiab lwm yam. Me me

    Lub cev thiab kev ua haujlwm zoo

    Khoom Tus nqi
    Qhov ntom 8.2 g / cm³
    Thermal Expansion (20-400 ° C) 5.0 × 10⁻⁶/°C
    Tensile zog ≥450 MPa
    Hardness ~HB 130–160
    Ua haujlwm Temp -196 ° C rau 450 ° C
    Txuj GB / T, ASTM, IEC

    Muaj Specifications

    Yam khoom Ntau yam
    Txoj kab uas hla 3 hli-200mm
    Ntev ≤ 6000 hli
    Ua siab ntev Raws li ASTM / GB tus qauv
    Nto Bright / Polished / Dub
    Ntim Ntoo rooj plaub, steel sawb bundling
    Daim ntawv pov thawj ISO 9001, SGS, RoHS
    Keeb kwm Tuam Tshoj (OEM / ODM kev pabcuam muaj)

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