Permalloy 4J33

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Short Introduction:

Permalloy 4J33 is suitable for vacuum electronic devices (such as tube, oscillation tube, klystron, magnetron, tube, etc.


  • Fob price: US $ 25 - 80 / Kilogram
  • Min.order quantity: 300kg
  • Port: Shanghai
  • Payment terms: L/C,T/T,30% down payment after order, balance against copy of B/L
  • Product Detail

    Product Tags

    Ni Fe Alloy 4J33 Material grades and equivalents

    Trademark

    Japan

    Russia

    UNS

    W.Nr

    4J33 

    KV-4(Ni33Co17)

    33HК(Ni33Co17)

     

    Chemical composition:

    Alloy

    C

    P

    S

    Mn

    Si

    Ni

    Cr

    Co

    Cu

    Fe

    N

    No

    AI

    Max

    4J33 

    0.05

    0.02

    0.02

    0.05

    0.3

    32.1-33.6

    -

    14-15.2

    -

    REST

    -

    -

    -

     

    Status code

    State

    Tensile strength/Mpa

    R

    Soft state

    <585

    1

    Hard state

    >660

     

    4J33 Porcelain Alloy Strip Tensile Strength:

    Status code

    State

    Tensile strength/Mpa

    R

    Soft state

    <570

    1

    Hard state

    >700

     

    Hardness of deep-drawn strip:

    Delivery Status

    Thickness/mm

    Hardness HV

    Deep Drawing

    >2.5

    ≦170

    ≦2.5

    ≦165

     

    The linear expansion coefficient of the porcelain sealing alloy:

    Grade Sample heat treatment system

    The average linear expansion coefficient ã/(10-6/k)

    Heat in a protective atmosphere or vacuum to 900±20°C, keep warm for 1h, cool at a rate of no more than 5°C/min to below 200°C 20~300℃ 20~400℃ 20~500℃ 20~600℃

    4J33

      6.0~6.8 6.6~7.4 7.8~9.5

    4J34

      6.3~7.1    

     

    Typical linear expansion coefficient of the alloy:

    Grade

    The average coefficient of linear expansion of the metal in different temperature ranges ã/(10-6/k)

    20~200

    20~300

    20~400

    20~500

    20~600

    4J33

    7.1

    6.5

    6.3

    7.1

    8.5

    4J34

    7.5

    6.9

    6.6

    6.9

    8.3

     

     

    Characteristic as below

    Similar to 95% alumina ceramic linear thermal expansion coefficient

     

    Processing conditions and application:

    It is suitable for vacuum electronic devices (such as tube, oscillation tube, klystron, magnetron, tube, etc.


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