Recently, our company's carbon steel sheet factory successfully developed a new type of sulfuric acid dew point corrosion-resistant steel strip. The product quality has reached the industry-leading level, filling a gap in the provincial market. The specifications of the acid-resistant steel developed this time are 3.0 mm × 1250 mm, and all performance indicators exceed the requirements of technical standards. Up to now, more than 200 tons of sulfuric acid dew point corrosion-resistant steel strips have been successfully rolled off the production line and delivered to customers. This kind of sulfuric acid dew point corrosion-resistant steel strip is added with Cr, Cu, Sb and other elements to form a dense and adhesive passivation film on the surface of the substrate due to its acid resistance and atmospheric corrosion resistance, effectively blocking acid And water penetrates into the matrix, significantly reducing the corrosion rate. This product is mainly used in metallurgy, electric power, petrochemical and other industrial fields to manufacture equipment components such as heat exchangers and air preheaters that need to resist sulfuric acid dew point corrosion.