GB/T 4171 Q235NH Weather Resistant Steel Plate

    Q235NH in steel standard GB/ T 4171 is a kind atmospheric corrosion resisting structural steel. The minimum yield strength is 235 Mpa, and tensile strength within 360-510Mpa.According to the different impacting temperature, Q235NH steel plates can be named as Q235NHA, Q235NHB, Q235NHC, Q235NHD, Q235NHE.

    Main chemical elements composition of Q235NH:

    Main chemical elements composition of Q235NH

    C

    Si

    Mn

    P

    S

    Cu

    Ni

    Cr

    0.13

    0.10-0.40

    0.20-0.60

    0.030

    0.030

    0.25-0.55

    0.65

    0.40-0.80

    Q235NH steel Mechanical Property:

    Thickness (mm)

    Q235NH

    ≤ 16

    > 16 ≤ 40

    > 40 ≤ 60

    >60

    Yield strength (≥Mpa)

    235

    225

    215

    215

    Tensile strength (Mpa)

    360-510

    Q235NH steel plate Application:
    China GB/T 4171 Q235NH Weather Resistant Steel Plate is used in Vehicle, Bridge, Tower, container And So On.

    China GB/T 4171 Q235NH 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.

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