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Profile helical rolled billets

 
  • Dimensions' limits: d1min=140mm, d2max=255mm, Lmax=2600mm
  • The plant also manufactures rough die-rolled axles for locomotives and railway cars, metro cars, bogies of different purpose in line with the techical specifications based both on domestic (GOST 30272-96) and American (AAR M-101-99) standards.
  • It is also possible to manufacture rough die-rolled axles in other sizes and steel grades.

    Steel
    grade

    Ultimate
    strength

    Yield
    point

    Elongation

    Reduction

    Impact strength KCU

    Impact work KCU

    average at 4 specimens

    min for separate specimen

    longit specimen

    cross specimen

    N/mm²

    %

    J/cm²

    J

    not less

    OS

    580-615
    620-645
    650

    -
    -
    -

    20,0
    19,0
    18,0

    -
    -
    -

    50,0
    40,0
    35,0

    35,0
    30,0
    30,0

    -
    -
    -

    -
    -
    -

    F

    605
    (88000 psi)

    345
    (50000 psi)

    22.0

    37.0

    -

    -

    -

    -

    A1

    550-650

    320

    22,0

    -

    -

    -

    25,0

    10,0

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