Hot-rolled SS400, Q235B, Q345B I beam groove galvanized H structural steel is a kind of material widely used in construction and engineering fields. These steels have high strength, corrosion resistance and good weldability, so they are widely used in a variety of building structures.

First, let's take a look at the specific meaning of these steels. SS400 is a Japanese standard common structural steel, equivalent to the Chinese standard Q235B. Q235B is China's national standard ordinary carbon structural steel, with good plasticity and toughness. Q345B is a low-alloy high-strength structural steel with high strength and good weldability.

I-beam groove galvanized H structural steel refers to the trough-shaped steel with I-section and the surface is hot-dip galvanized. Hot dip galvanizing is a method of dipping steel into a molten zinc solution to form a protective layer of zinc-iron alloy on its surface. This treatment can greatly improve the corrosion resistance of steel and extend its service life.

In the field of construction and engineering, steel structure hot-rolled SS400, Q235B, Q345B I beam slot galvanized H structural steel is mainly used for the production of various load-bearing components, such as beams, columns, trusses and so on. Due to their high strength and good weldability, these steels can meet the design and construction requirements of various complex structures. At the same time, hot-dip galvanizing makes these steels have excellent corrosion resistance and can be used for a long time under harsh environmental conditions.

In short, steel structure hot-rolled SS400, Q235B, Q345BI beam groove galvanized H structural steel has been widely used in construction and engineering fields because of its high strength, good weldability and excellent corrosion resistance.