• DESCRIPTION
    • Commodity name: Stem

    Mining drill pipe

    4330V MOD chemical composition:

    C

    Mn

    P

    S

    Si

    Ni

    Cr

      Mo

    V

    0.28~0.37

    0.45~0.65

    ≤0.015

    ≤0.015

    0.1~0.3

    2.0~3.0

    0.80~1.10

    0.4~0.65

    0.05~0.15

    Mechanical properties:

    Tensile strength

    ≥1033Mpa(T)   ≥1033Mpa(L)

    Yield strength

    ≥964Mpa(T)   ≥964Mpa(L)

    Elongation rate

    ≥10.7%(T)   ≥15%(L)

    Impact energy

    ≥90J(T)        ≥50J(L)

    Face shrinking

    ≥32%(T)      ≥45%(L)

    Hardness 320-360HB

     

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