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Cr5Mo is widely used in high temperature, high pressure and corrosive industrial environments. Typical applications include: Electric power industry: It is used in superheaters, reheaters and main steam pipes of power station boilers, especially in supercritical units as key pressure-bearing components, with operating temperatures up to 600°C. Petrochemical industry: It is widely used in high-temperature reactor pipelines, hydrogen pipelines, hot oil to oil transfer lines and heating furnace tubes of hydrocracking units. It can withstand high temperatures of 550-600°C and corrosive media. Coking unit: As a delayed coking heating furnace tube material, it has been operating in a high-temperature sulfur corrosion environment for a long time, so attention must be paid to oxidation and pearlite spheroidization damage. Fertilizer and chemical equipment: Seamless steel pipes used in high-pressure fertilizer equipment and petroleum cracking to meet the needs of high-pressure and corrosion-resistant working conditions. Valves and castings: Casting grade ZG1Cr5Mo is used to manufacture corrosion-resistant valves. The applicable temperature is ≤550°C and has excellent corrosion resistance against petroleum cracking media. In addition, Cr5Mo is also used as an alternative material for the secondary circuit pipeline of the AP1000 nuclear power unit and is used in the manufacturing of high-temperature components in the aerospace field.