St52-3 steel plate

St52-3 steel plate

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Steel plate St52-3 is most normal used among all kinds of low alloy steel grades.It is equal to Chinese steel grade Q345B,low alloy high strength steel plate. Low alloy steel plate St52-3 is used to manufacture the plants of factory ,the common constructure and construction machinery and equipments.The additional technical requirements for structural steel plate St52-3 shall be Ultrasonic examination,heat treatment,low temperature impacting,shot blasting and painting for prevent rusty when transport.

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    • Commodity name: St52-3 steel plate

    Steel plate St52-3 is most normal used among all kinds of low alloy steel grades.It is equal to Chinese steel grade Q345B,low alloy high strength steel plate. Low alloy steel plate St52-3 is used to manufacture the plants of factory ,the common constructure and construction machinery and equipments.The additional technical requirements for structural steel plate St52-3 shall be Ultrasonic examination,heat treatment,low temperature impacting,shot blasting and painting for prevent rusty when transport.

    Mechnical property for St52-3 Low alloy steel

    Thickness (mm)

    St52-3

    ≤ 16

    > 16 ≤ 40

    > 40 ≤ 63

    > 63 ≤ 80

    > 80

    Yield strength (≥Mpa)

    355

    345

    335

    325

    315

     

    < 3

    ≥ 3 ≤ 100

    > 100

    Tensile strength (Mpa)

    510-680

    490-630

    490-630

    Chemical composition for St52-3 Low alloy steel (Product Analysis Max%)

    Main chemical elements composition of St52-3

    Thickness(mm)

    C

    Si

    Mn

    P

    S

    N

    T≤30

    0.22

    0.60

    1.70

    0.050

    0.060

    -

    T>30

    0.24

     


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