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Tshwj xeeb Metallurgy Hastelloy C-4

Tshwj xeeb Metallurgy Hastelloy C-4

Hastelloy C-4 Nta thiab Daim Ntawv Thov Txheej Txheem: Cov hlau yog austenitic low-carbon nickel-molybdenum-chromium alloy. Qhov sib txawv tseem ceeb ntawm Nicrofer 6616 hMo thiab lwm yam alloys ntawm cov tshuaj zoo sib xws tsim ua ntej yog cov pa roj carbon tsawg, silicon, hlau thiab tungsten. Cov tshuaj muaj pes tsawg leeg no muab kev ruaj ntseg zoo ntawm 650-1040 degree C thiab txhim kho kev tiv thaiv rau intergranular corrosion, tsis txhob ntug kab corrosion susceptibility thiab weld HAZ corrosion nyob rau hauv tsim nyog tsim tej yam kev mob. Alloy siv nyob rau hauv flue gas desulfurization systems, pickling thiab acid regeneration cog, acetic acid thiab ua liaj ua teb chemicals, titanium dioxide ntau lawm (txoj kev chloride), electrolytic plating.

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  • Hauj lwm lawm

    Hastelloy C-4 Tshuaj muaj pes tsawg leeg:

    Alloy
    Qib

    feem pua

    Ni

    Cr

    Fe

    Mo

    Nb

    Co

    C

    Mn

    Si

    S

    Cu

    Al

    Ti

    Hastelloy C-4

    Min

    Margin

    14.5


    14.0










    Qhov siab tshaj plaws

    17.5

    3.0

    17.0


    2.0

    0.009

    1.0

    0.05

    0.01



    0.7

    Hastelloy C-4 Lub cev muaj zog:

    Qhov ntom
    g/cm3

    Melting point
    degree

    Thermal conductivity
    λ/(W/m• degree)

    Tshwj xeeb kub muaj peev xwm
    J/kg • degree

    Elastic Modulus
    GPa

    Shear modulus
    GPa

    Kev tiv thaiv
    μΩ•m

    Poisson tus piv

    Linear expansion coefficient
    a/10-6 degree -1

    8.6

    1335
    1380

    10.1 (100 degree)

    408

    211


    1.24


    10.9 (100 degree)

    Hastelloy C-4 Mechanical Properties: (tsawg kawg txhua yam khoom ntawm 20 degree):

    Txoj kev kho cua sov

    Tensile zog σb/MPa

    Yield Strength σp 0.2/MPa

    Elongation tus nqi σ5 / feem pua

    Brinell hardness HBS

    Kev kho mob

    690

    275

    40


    Hastelloy C-4 cov qauv tsim:

    Txuj

    Bar

    Forgings

    Phaj (nrog) cov khoom

    Hlau

    Yeeb

    American Society for Testing and Materials

    ASTM B574

    ASTM B 336 Cov khoom siv

    ASTM B 575 Cov Lus Qhia Tshwj Xeeb


    ASTM B 622 2
    ASTM B619 Cov khoom lag luam
    ASTM B626 1

    American Aerospace Materials Technical Specification






    American Society of Mechanical Engineers

    ASME SB 574

    ASME SB 336

    ASME SB 575


    ASTM SWB 622
    ASTM SWB 619
    ASTM SWB 626


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