GB/T 4171 Q355NH High strength weathering Steel Plate

    GB/T 4171 Q355NH specification:
    Thickness: 2mm-300mm
    Width: 1000mm-4200mm
    Length: 3000mm-18000mm

    Main chemical elements composition of Q355NH:

    Main chemical elements composition of Q355NH

    C

    Si

    Mn

    P

    S

    Cu

    Ni

    Cr

    0.16

    0.50

    0.50-1.50

    0.030

    0.030

    0.25-0.55

    0.65

    0.40-0.80

    Mechanical property for Q355NH steel:

    Thickness (mm)

    Q355NH

    ≤ 16

    > 16 ≤ 40

    > 40 ≤ 60

    >60

    Yield strength (≥Mpa)

    355

    345

    335

    325

    Tensile strength (Mpa)

    490-630

    GB/T 4171 Q355NH Application:
    Q355NH atmospheric corrosion structural steel plate is widely used to building shipping containers and offshore containers, such as Schedule waste storage container, Weather Shelters, Tool boxes, Workshop containers and so on.

    Technical Requirements & Additional Services:
    ♦ High tension test
    ♦ Low temperature impacting test
    ♦ Simulate post-welded heat treatment (PWHT)
    ♦ Issued Original Mill test certificate under EN 10204 FORMAT 3.1/3.2
    ♦ Shot blasting and Painting, Cutting and welding as per end user’s demands
    ♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels

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