What is ss 400?

SS400 is a type of steel sheet that is commonly used in construction and engineering applications. It is made from carbon and low-alloy steel and has a tensile strength of up to 400 MPa. SS400 steel is known for its strength, durability, and resistance to corrosion. It is often used in the manufacturing of building materials, such as beams, columns, and pipes. SS400 steel is widely used in Asia and is equivalent to ASTM A36 or EN S235JR steel in Western countries.