• ASTM A516 Grade 70 Steel Plate
  • BBN Steel supply high quality carbon steel plate for boiler and pressure vessel fabrication which is ideally suited to the high standards set by the oil, gas and petrochemical industry – this is why we stock an extensive range of carbon plates according to ASTM A516 Grade 70.

    ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature applications, has excellent notch toughness and is used in both pressure vessels and industrial boilers.

    ASTM A516 Grade 70 Steel Plate Specification:

    Thickness:3-150mm

    Width:1220-4200mm

    Length:5000-18000mm

    ASTM A516 Grade 70 Steel Plate Chemical Composition

    Carbon(C) % Manganese(Mn) % Phosphorus(P) %
    12.55mm or less
    12.5-50mm
    50-100mm
    100-200mm
    >200mm
    0.27
    0.28
    0.30
    0.31
    0.31
    12.5mm or less
    Heat Analysis
    Product Analysis
    Over 12.5mm
    Heat Analysis
    Product Analysis
    0.85-1.20
    0.79-1.30 0.85-1.20
    0.79-1.30

    (max)
    0.035
    Sulphur(S) % Silicon(Si) %
    (max) 0.035 Heat Analysis
    Product Analysis
    0.15-0.40
    0.13-0.45

    ASTM A516Gr70 Steel Plate Mechanical Properties

    Description Grade70
    Tensile Strength(Ksi)
    Tensile Strength(MPa)
    Yield Strength(Ksi)
    Elongation in 200mm(min.%)
    Elongation in 50mm(min.%)
    Thickness(max/min)
    70-79
    485-620
    38
    260
    17
    21
    205

    A516Gr70 usual request normalized if thickness above 40mm, if not , BBN Steel usual delivery in hot rolled or control rolled station. A516 Gr.70+N or A516gr70N mean that steel grade must be normalized in any thickness.

    A516GR70 steel materials are widely used in the application fields including oil, gas and petrochemical industries to provide manufacturing support for industrial boilers and pressure vessel manufacturers.

    BBN Steel as the most popular ASTM A516Gr70 Steel Plate suppliers, we only provide qualified ASTM A516Gr70 Steel Plate products with the best quality and reasonable price for our customers.