Deformed steel is the abbreviation of complex and deformed section steel, which belongs to deformed steel and is different from the simple section steel.
According to the different process technology, it can be divided into hot rolling special-shaped steel, cold drawing (cold drawing) special-shaped steel, cold bending special-shaped steel, welding special-shaped steel, etc.
Usually special - shaped steel refers to hot rolled special - shaped steel. Hot rolled deformed steel is to distinguish square steel, round steel, flat steel and common shape of hot rolled section steel.