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Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet

    Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers
     
    Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers
    • Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers
    • Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers
    • Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers
    • Buy cheap Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet from wholesalers

    Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet

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    Brand Name : BLM
    Model Number : invar 36
    Certification : ISO
    Price : Negtation
    Payment Terms : T/T
    Supply Ability : 5 tons per month
    Delivery Time : 25days
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    Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet

    Invar36 Nilo 36 36h Sheet 34X250X500mm For OLED


    1 . Description:

    The name Invar comes from the word invariable, referring to its relative lack of expansion or contraction with temperature changes.

    It was invented in 1896 by Swiss physicist Charles Édouard Guillaume. He received the Nobel Prize in Physics in 1920 for this discovery, which enabled improvements in scientific instruments.
    OhmAlloy-4J36 (Invar) is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the Level staff (leveling rod) used is made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.



    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



    Typical Physical properties


    Density (g/cm3)

    8.1

    Electrical resistivity at 20ºC(mm2/m)

    0.78

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

    3.7~3.9

    Thermal conductivity, λ/ W/(m*ºC)

    11

    Curie point Tc/ ºC

    230

    Elastic Modulus, E/ Gpa

    144

    3 . Application

    in radio and electronic devices,
    manufacture parts in aircraft controls
    optical and laser system
    in bimetallic thermostats and in rod and tube assemblies for temperature regulators


    4 . Typical Mechanical properties


    Tensile Strength

    Elongation

    Mpa

    %

    641

    14

    689

    9

    731

    8


    5 . Temperature factor of resistivity

    Temperature range, ºC20~5020~10020~20020~30020~400
    aR/ 103 *ºC1.81.71.41.21.0
    The heat treatment process
    Annealing for stress reliefHeated to 530~550ºC and hold 1~2 h. Cold down
    annealingIn order to eliminate hardening, which be bring out in cold-rolled, cold drawing process. Annealing needs heated to 830~880ºC in vacuum,hold 30 min.
    The stabilization process
    In protective media and heated to 830 ºC, hold 20min. ~ 1h, quench
    Due to the stress generated by quenching, heated to 315ºC,hold 1~4h.

    Precautions

    Can not be hardened by heat treatment
    Surface treatment can be sandblasting, polishing or pickling.
    Alloy can be used 25% hydrochloric acid pickling solution at 70 ºC to clear oxidized surface


    Quality Invar 36 Nilo 36 36h Sheet 34X250X500mm For OLED Invar Sheet for sale
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