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Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

    Buy cheap Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape from wholesalers
     
    Buy cheap Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape from wholesalers
    • Buy cheap Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape from wholesalers
    • Buy cheap Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape from wholesalers
    • Buy cheap Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape from wholesalers

    Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

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    Brand Name : BLM
    Model Number : BLM-S
    Certification : ISO
    Price : Negtation
    Payment Terms : T/T
    Supply Ability : 5 tons per month
    Delivery Time : 25days
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    Precision Nickel Iron Steel Invar 36 Alloy Bar Rod Shape

    Precision Alloy Nickel Iron Steel Invar 36 Nickel Bar Rod


    1 . Description

    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


    2 . Normal composition%

    Ni

    35~37.0

    Fe

    Bal.

    Co

    -

    Si

    ≤0.3

    Mo

    -

    Cu

    -

    Cr

    -

    Mn

    0.2~0.6

    C

    ≤0.05

    P

    ≤0.02

    S

    ≤0.02



    3 . Typical Physical properties

    Density (g/cm3)

    8.1

    Electrical resistivity at 20℃(Ωmm2/m)

    0.78

    Temperature factor of resistivity(20℃~200℃)X10-6/℃

    3.7~3.9

    Thermal conductivity, λ/ W/(m*℃)

    11

    Curie point Tc/ ℃

    230

    Elastic Modulus, E/ Gpa

    144


    4 . Heat treatment process

    Stress relief annealing

    Heat to 530~550℃, keep for 1~2 h. Cool in the furnace

    annealing

    Heating to 830~880℃ ,keep holding for 30 min. Furnace cooling

    Stabilization

    (1) Heat to 830 ℃ in a protective atmosphere, hold for 20min. ~ 1h, quench (2)Temper

    Precautions

    (1) The alloy cannot be hardened by heat treatment

    (2)Surface treatment can be sandblasted, polished and pickled


    5 . Pictures

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