A516

A516 is the most popular pressure vessel steel plate in the industry and Kloeckner Metals is proud to supply it routinely across our nationwide network of branches.

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Typical Standards

ThicknessWidthLength
3/16" - 6"48" - 120"96" - 480"

General Info About A516

A516 steel plate is the most popular pressure vessel quality steel plate. Though it comes in different grades, A516-70 is the most common. It is suitable for use in moderate and lower temperature applications and where notch toughness is important. It offers an excellent combination of strength, notch toughness, and weldability.

 

 

More Details About A516

  • Advantages/Disadvantages

    A516 is a high value pressure vessel quality steel plate that provides good notch toughness. It offers excellent weldability and can tolerate moderate to lower temperatures. One disadvantage is that it is not easily formed or machined.

  • Industries

    The grade meets high standards required by oil, gas, and petrochemical industries for use in boilers and pressure vessels.

  • Applications

    The grade is excellent for use in pressure vessels and industrial boilers. It is also great for other applications requiring high notch toughness and moderate to low temperature conditions.

  • Machining

    A516 has fair machinability.

  • Welding

    It has excellent weldability.

  • Heat Treatment

    A516 is heat treatable.

Chemical Properties of Grade 70

CAlMnPSiSCrCuNiMoNbTiV
0.10 / 0.220.021 / 1.70.030.60.030.30.30.30.080.010.030.02

Mechanical Properties of Grade 70

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate485 - 620 MPa70,300 - 89,900 psi
Tensile Strength, Yield260 MPa37,700 psi
Elongation at Break17% - 21%17% - 21%
Modulus of Elasticity200 GPa29,000 ksi
Bulk Modulus160 GPa23,200 ksi
Poissons Ratio0.290.29
Shear Modulus80.0 GPa11,600 ksi

Frequently Asked Questions About A516

  • What is A516 grade 70 steel?

    There are four grades of this steel: 55, 60, 65, 70. 70 is the most widely used pressure vessel quality carbon steel plate. Tensile strength is one of the primary differences between grades. Grade 70 has a tensile strength between 485 – 625 MPa, which is the highest of all the  grades.

  • What is ASTM A516?

    A516 steel is the American Society for Testing and Materials (ASTM) designation for Pressure Vessel Quality (PVQ) carbon steel plate with a tensile strength between 380 – 620 MPa, depending on the grade. Because PVQ steel is specifically meant to contain gasses or liquids at elevated pressures, they require chemical composition and material properties at a higher standard.

  • What is the difference between grade 60 and 70?

    Grade 70 is the highest strength. The three other grades, including grade 60, all have lower tensile strengths. Grade 60 has a tensile strength between 415 – 550 MPa, compared to grade 70 with a tensile strength between 485 – 620 MPa.

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