Shanghai Hite Special Alloy Co., Ltd.
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Alloy 50

Alloy 50

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  1. Brief introduction:

    Alloy 50's nickel-iron controlled-expansion alloy  with Ni50% nominal value. 

    It's widely used as sealing structural material in the electric vacuum industry.


  2. Main specifications:

    ChineseUKUSAFranceGermanyRussiaJapan
    4J50(Alloy 50')Nilo51FeNi50N50Vacodil 50050HNS-1


  3. Chemical composition under YB/T5235-2005 standard:

     Grade chemical composition,%
    CPSMnAlSiCoNiFe
    MAX
    4J500.050.020.020.80.10.3 -49.5~50.5Remainder

    Remarks:If require adjustments for some chemical compositions, pls consult with us.


  4. Tensile strength under YB/T5235-2005 standard:

    delivery conditionTensile strength of strip ,N/mm2
    Soft<590
    Hard >700


  5. Typical average linear expansion coefficient value α,10-6/℃

    Grade20℃~100℃20℃~200℃20℃~300℃20℃~400℃20℃~450℃20℃~500℃20℃~600℃
    4J509.89.89.59.4 -9.710.6


  6. Main product types:

    wire,rod, bar,strip, plate/sheet,tube.