Mild Steel Sheet GB/T 4171 Q310GNH exporter

    BBN STEEL has many Years of experience in atmospheric corrosion resistance of structural steels.

    China GB/T 4171 Q310GNH Weather Resistant Steel plate, China GB/T 4171 Q310GNH Weather Resistant Steel Plates, China GB/T 4171 Q310GNH Weather Resistant Steel Sheets, China GB/T 4171 Q310GNH Weather Resistant Steel Sheet.

    GB/T 4171 Q310GNH additional Condition:
    UT (Ultrasonic examination),AR(As Hot Rolled only),TMCP(Thermal Mechanical Control Processing),N(Normalized),Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, HIC test, NDT ,PWHT( Simulated Post Weld Heat Treatment),NACE0175,The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.

    GB/T 4171 Q310GNH Chemical Composition (%):

    Grade

    Chemical Composition (%)

    C Max

    Si

    Mn

    P

    S Max

    China GB/T 4171 Q310GNH

    0.12

    0.25-0.75

    0.2-0.5

    0.07-0.12

    0.02

    GB/T 4171 Q310GNH Mechanical Property:

    Grade

    Mechanical Property

     

    Yield Strength(MPa) min

    Tensile Strength(MPa) min

    % Elongation min

    China GB/T 4171 Q310GNH

    310

    450

    --

    Q310GNH steel Application:
    GB/T 4171 Q310GNH Weather Resistant Steel Plate is used in Vehicle, Bridge, Tower, container And So On.

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