The standard number for the A820/A820M-16 steel grade is A820/A820M-16. This standard specifies the requirements for structural steel for use in bridges. The steel grade A820/A820M-16 is a high-strength, low-alloy (HSLA) steel that offers excellent mechanical properties.
Mechanical properties of the A820/A820M-16 steel grade include a minimum yield strength of 690 MPa (100 ksi) and a minimum tensile strength of 760 MPa (110 ksi). These high-strength properties make it suitable for use in various bridge applications.
The chemical composition of the A820/A820M-16 steel grade includes elements such as carbon (C), manganese (Mn), phosphorus (P), sulfur (S), silicon (Si), copper (Cu), nickel (Ni), chromium (Cr), molybdenum (Mo), and vanadium (V). The precise composition may vary based on specific manufacturing processes and requirements.
The A820/A820M-16 steel grade is commonly used in the construction of bridges, where its high strength and excellent mechanical properties make it ideal for supporting heavy loads. It is also used in other structural applications where high strength and durability are required.
Overall, the A820/A820M-16 steel grade offers a combination of high strength, good weldability, and excellent toughness, making it a versatile choice for various applications in the construction industry.