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PRODUCTS    NICKEL & NICKEL ALLOYS    Invar 36 wire

Invar 36 wire

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  • FeNi 36 wire

    Invar 36 wire

    Invar 36

    GB/T

    UNS

    AISI/ASTM

    W.Nr

    4J36

    K93600

    Invar36

    1.3912

    Invar 36 Chemical composition:

    Alloy

    %

    Ni

    Cr

    Fe

    C

    Mn

    Si

    P

    S

    Invar 36

    Min.

    35

     

    Balance

     

    0.2

     

     

     

    Max.

    37

    0.5

    0.05

    0.6

    0.3

    0.02

    0.02


    Invar 36 Physical properties:

    Density

    8.1 g/cm3

    Melting point

    1430 °C


    Invar 36 Mechanical properties in the room temperature:

    Alloy state

    Tensile strength Rm N/mm2

    Yield strength

    RP0.2 N/mm2

    Elongation

    A5 %

    Brinell hardness

    HB

    Invar 36

    490

    240

    42

    ≤200

    average coefficient of linear expansion(10-6°C)

    20~100°C

    20~300°C

    20~400°C

    20~450°C

    20~500°C

    20~530°C

    20~600°C

    ——

    ≤1.5

    ——

    ——

    ——

    ——

    ——

    Characteristic:
    36 alloy is a special ultra-low coefficient of heat expansion of low-iron-nickel alloy. One of carbon and manganese element of control is very important. Cold deformation can reduce the coefficient of thermal expansion, in particular within the framework of the heat treatment temperature coefficient of thermal expansion will enable stabilization. Has the following characteristics:
    1.Has very low coefficient of heat expansion between the temperature of -250°C and 200°C.
    2.Good toughness and plastic

    Metallurgical structure
    Invar 36 is the face centered cubic lattice structure

    Corrosion resistance
    Invar 36 has corrosion resistance in the dry air of room temperature.In other harsh environments, such as the humid air, there may be corrosion (rust).

    Applied field:
    Invar 36 suit for need to apply ultra-low coefficient of heat expansion environment.Typical applications are as follows:
    1.Liquefied gas production, storage and transport 
    2.The measurement and control instruments work temperature lower than 200°C, such as temperature regulating device 
    3.Metals and other materials use the screw connector bush 
    4.Bimetal and bimetallic temperature controller
    5.Film framework
    6.Shadow mask 
    7.CRP components of the aviation industry temper Die 
    8.lower than -200°C the satellite and missile electronic control unit framework 
    9.The auxiliary tube of the electromagnetic lens in the laser control device

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