What grade is structural steel?

Structural steel comes in various grades, such as ASTM A36, A992, and S275, each with specific mechanical properties and applications. The grade indicates the steel's strength, composition, and weldability. Online marketplaces like SteelonCall list these grades along with their specifications, enabling buyers to choose the appropriate grade for their project requirements. Always refer to the project's structural requirements when selecting the grade of structural steel.