S355J2H  is a high strength and low carbon structural steel that is widely used in various industries. This steel grade is a hot-finished hollow section that is ideal for applications where higher mechanical properties are required. S355J2H is manufactured in accordance with EN 10210-1 and EN 10210-2 standards, which specify the technical delivery conditions for hot-finished hollow sections of circular, square, rectangular or elliptical forms.

The chemical composition of S355J2H includes carbon, silicon, manganese, phosphorus, sulfur, and other alloying elements such as niobium, vanadium, and titanium. This steel grade has excellent weldability, which makes it suitable for welded structures. It also has good cold-forming properties, which enable it to be formed into various shapes.

S355J2H is commonly used in construction, mechanical engineering, and automotive applications. It is often used in the manufacturing of structural parts and components, such as columns, beams, and pipes. Its high strength and low carbon content make it an ideal choice for applications where weight reduction and durability are critical factors.

Furthermore, S355J2H is known for its excellent impact strength, which makes it suitable for applications where resistance to dynamic loads is required. This steel grade is also resistant to corrosion, making it suitable for use in harsh environments.

In conclusion, S355J2H is a versatile and reliable steel grade that offers excellent mechanical properties and is suitable for a wide range of applications. It is widely used in various industries due to its high strength, low carbon content, good weldability, and resistance to corrosion.