Petrochemical industry plays an important role in the development of the national economy and is one of the pillar industries in China. Petrochemical industry refers to the processing industry that uses petroleum and natural gas as raw materials to produce petroleum products and petrochemical products. Petroleum products, also known as oil products, mainly include various fuel oils (gasoline, kerosene, diesel, etc.) and lubricating oils, as well as liquefied petroleum gas, petroleum coke, paraffin, asphalt, etc. Material selection suggestion: Consider materials with high temperature and high pressure resistance, high creep strength, high fatigue performance, and resistance to high-temperature flue gas corrosion, such as S32205, S32750, 904L, etc