A516GR70 Steel Plate: Properties and Applications

The A516GR70 steel plate is a high-grade material known for its excellent performance in moderate to lower temperature services. This article delves into its properties, applications, and why it’s a preferred choice in various industries.

Table 1: Chemical Composition

Element Percentage (%)
Carbon (C) 0.27
Manganese (Mn) 0.85-1.20
Phosphorus (P) ≤0.035
Sulfur (S) ≤0.035
Silicon (Si) 0.15-0.40
Aluminum (Al) ≤0.02
Chromium (Cr) ≤0.3

Note: The exact composition can vary slightly depending on the manufacturer.

Table 2: Mechanical Properties

Property Value
Tensile Strength 485-620 MPa
Yield Strength 260 MPa (min)
Elongation 17-21%
Brinell Hardness 187-241 HB


A516GR70 steel plates are widely used in a variety of applications due to their durability and resistance to low temperatures. Key applications include:

  • Pressure Vessels and Boilers: Due to its high resistance to pressure and temperature, it’s ideal for use in boilers and pressure vessels in the petroleum and natural gas industries.
  • Storage Tanks: Used in the construction of storage tanks due to its ability to withstand different environmental conditions.
  • Heat Exchangers: Its thermal properties make it suitable for heat exchangers in various industrial processes.


  1. High Tensile Strength: Makes it ideal for high-stress applications.
  2. Good Weldability: Facilitates easier fabrication and maintenance.
  3. Resistance to Corrosion: Adds to the longevity of structures made with this steel.
  4. Flexibility in Low Temperatures: Retains its mechanical properties even in cold environments.


The A516GR70 steel plate is a versatile and robust material suitable for a range of industrial applications. Its blend of strength, weldability, and temperature resistance makes it a valuable asset in the construction of heavy-duty machinery and infrastructure.

The tables provide a quick reference to the chemical and mechanical properties, while the rest of the article offers a comprehensive overview of the material’s use and benefits.


A516GR70 Steel Plate