Flat steel refers to steel with a width of 12-300mm, a thickness of 3-60mm, a rectangular cross-section and slightly blunt edges. Flat steel can be finished steel, or can be used as blanks for welded pipes and thin slabs for laminated thin plates. Main uses: As finished products, flat steel can be used to make hoops, tools and mechanical parts. It can also be used as structural components of house frames and escalators in construction.