GB/T 4171 Q295GNH Weathering steel Sheet

    Q295GNH corrosion of steel, we also call it the weathering steel. And Q295GNH material is ultra-high quality anti corrosive good performance.

    Q295GNH steel Chemical composition (%):

    Grade

    C

    Si

    Mn

    P

    S

    Cu

    Cr

    Ni

    Ti

    RE

    Q295GNH

    ≤ 0.12

    0.20~0.40

    0.20~0.60

    0.07~0.15

    ≤ 0.035

    0.25~0.55

    -

    -

    ≤ 0.010

    ≤ 0.15

    Q295GNH Weathering steel Mechanical Properties:

    Grade

    Thickness mm

    Yield Strength R
    MPa

    Tensile strength R
    MPa

    Elongation A
    %

    180Cold bend test
    d = Apex diameter
    a=Sample thickness

    Q295GNH

    ≤ 6

    ≥295

    ≥390

    ≥24

    d=a

    GB/T 4171 Q295GNH Main Application:
    China GB/T 4171 Q295GNH Weather Resistant Steel Plate is used in Vehicle, Bridge, Tower, container And So On.

    GB/T 4171 Q295GNH 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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