Q690C steel plate

Q690C steel plate

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Steel plates made from Q690 material has high yield strength and tensile strength and is widely used in coal mine machinery and engineering machinery, such as hydraulic support, port cranes, flatbed trucks and so on.

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  • Product Detail
  • | Technical Information
  • | Packaging
    • Commodity name: Q690C steel plate

    Steel plates made from Q690 material has high yield strength and tensile strength and is widely used in coal mine machinery and engineering machinery, such as hydraulic support, port cranes, flatbed trucks and so on.

    Chemical Composition

    Q690 Chemical Composition (%)
    Steel Grade Quality Grade C Si Mn P S Nb V Ti Cr Ni Cu N Mo B Al
    Q690 Q690C ≤ 0.18 ≤ 0.60 ≤ 2.00 ≤0.030 ≤0.030 ≤ 0.11 ≤ 0.12 ≤ 0.20 ≤ 1.00 ≤ 0.80 ≤ 0.80 ≤ 0.015 ≤ 0.30 ≤ 0.004 ≥ 0.015
    Q690D ≤0.030 ≤0.025
    Q690E ≤0.025 ≤0.020

    Mechanical Property

        Q690 Yield Strength (≥N/mm2); Thickness or Dia. d (mm)
    Standard Steel Grade Quality d≤16 16<d≤40 40<d≤63 63<d≤80
    GB/T 1591 – 2008 Q690 C, D, E 690 670 660 640
    GB/T 1591 – 2018 Q690M C, D, E 690 680 670 650

     

        Q690 Tensile Strength (N/mm2); d (mm) Elongation
    Standard Steel Grade Quality d≤40 40<d≤63 63<d≤80 %
    GB/T 1591 – 2008 Q690 C, D, E 770-940 750-920 730-900 ≥14
    GB/T 1591 – 2018 Q690M C, D, E 770-940 750-920 730-900 ≥14
    Key words:
    • Q690C steel plate

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