Q420A steel plate

Q420A steel plate

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Structural steel plate Q420A is mainly used for manufacturing the plants of factory ,the common constructure and construction machinery and equipment.The tensile strength of low alloy steel plate Q420A is within 520-680 Mpa,and the minimum yield strength is 420Mpa for thickness equal and belows 16mm.

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    • Commodity name: Q420A steel plate

    Structural steel plate Q420A is mainly used for manufacturing the plants of factory ,the common constructure and construction machinery and equipment.The tensile strength of low alloy steel plate Q420A is within 520-680 Mpa,and the minimum yield strength is 420Mpa for thickness equal and belows 16mm.

    Chemical Composition

    Main chemical elements composition of Q420A
    C Si Mn P S V Nb Ti Cr Ni
    0.20 0.55 1.00-1.70 0.045 0.045 0.02-0.20 0.015-0.060 0.02-0.20 0.40 0.70

    Mechanical Property

    Thickness (mm)
    Q420A ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
    Yield strength (≥Mpa) 420 400 380 360
    Tensile strength (Mpa) 520-680
    Key words:
    • Q420A steel plate

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