S355J2WP is a kind of weathering steel with good corrosion resistance and fire resistance. It is commonly used in structural projects such as buildings, ships and bridges. Its main alloying elements include chromium, nickel and copper, which give S355J2WP excellent self-protection properties. When the steel is exposed to the atmosphere, it reacts with elements in the atmosphere to form a layer of rust that protects the base material from corrosion over time.
Regarding the specific chemical composition of S355J2WP, it mainly includes: the maximum content of carbon (C) is 0.12%, the content of silicon (Si) is 0.75%, the content of manganese (Mn) is 1%, and the content of chromium (Cr) is 0.3% , the copper (Cu) content is 0.25%. In addition, S355J2WP also adds a small amount of phosphorus (P).
S355J2WP steel plate is very versatile and has important applications in many fields due to its high strength and corrosion resistance.
In the construction field, S355J2WP steel plates are often used to manufacture steel structure factories, high-rise buildings, commercial buildings, etc. Its weather resistance enables the building structure to remain stable for a long time, reducing the cost of maintenance and repair, while effectively improving the service life and safety of the building.
In bridge engineering, S355J2WP steel plates are also widely used in manufacturing bridge structures. Its good corrosion resistance can effectively prevent the corrosion and aging of bridges, thereby extending the service life of the bridge.
In addition, in shipbuilding, S355J2WP steel plates are widely used in the manufacture of hull structures, ship equipment, etc. Due to its high strength and corrosion resistance, it can ensure the safety and service life of the ship.
In general, S355J2WP steel plate is widely used in many fields due to its excellent performance.