The A266/A266M-13 steel grade is a standard specification for carbon steel forgings for pressure vessel components. It is commonly used in industries such as oil and gas, petrochemical, and power generation.
The chemical composition of A266/A266M-13 steel grade includes carbon, manganese, phosphorus, sulfur, silicon, and copper. The maximum carbon content is limited to 0.30%, while the maximum manganese content is 1.00%. The presence of these elements provides strength and toughness to the steel, making it suitable for high-pressure applications.
In terms of mechanical properties, A266/A266M-13 steel grade has specified requirements for tensile strength, yield strength, elongation, and reduction of area. The minimum tensile strength is 60 ksi (415 MPa), while the minimum yield strength is 30 ksi (205 MPa). The elongation requirement is a minimum of 22%, and the reduction of area requirement is a minimum of 50%.
The A266/A266M-13 steel grade is commonly used in the construction of pressure vessels, such as boilers, reactors, and storage tanks, where high strength and resistance to pressure and corrosion are required. It is also used in piping systems for conveying fluids under high pressure and temperature conditions.
Overall, the A266/A266M-13 steel grade offers a good balance of strength, toughness, and corrosion resistance, making it suitable for various applications in the pressure vessel industry.