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Analysis on The Application Demand Analysis of Stainless Steel Pipes in The Petrochemical Industry

Sep. 21, 2020


The petrochemical industry includes the fertilizer industry, and there is a great demand for stainless steel pipes. The industry mainly uses Stainless Steel Seamless Pipes. The specifications include: 304, 321, 316, 316L, 347, 317L, etc.and the outer diameter is about ¢18-¢610. The wall thickness is about 6mm-50mm, and the specific application areas are: furnace tubes, material conveying tubes, heat exchanger tubes, etc. For example, heat-resistant stainless steel pipes are mainly used for heat exchange and fluid transportation. The domestic market has an annual capacity of about 230,000 tons, and high-end demand still needs to be imported.


Duplex stainless steel pipes are mainly used in the heat exchanger and fluid pipe markets of chemicals and fertilizers. Because of their high strength, stress resistance, corrosion resistance and economy, their annual consumption is about 8,000-10,000 tons.


Stainless steel tubing and casing, stainless steel non-magnetic drill collars used in oilfield drilling and production, and super ferritic stainless steel Cr13, Cr25 with high resistance to CO, CO2 and Cl-corrosion. According to rough statistics, the annual consumption is 20,000 tons Above, about 50,000 to 60,000 tons will be needed every year in 3 to 5 years, and the import volume of such stainless steel pipes is still large.


Stainless Steel Pipes

Stainless Steel Pipes


In addition, the potential market of the petrochemical industry is large-diameter petroleum cracking furnace pipes and low-temperature conveying pipes. Due to their special heat-resistant and corrosion-resistant requirements and the inconvenience of equipment installation and maintenance, the equipment requires a long life cycle and requires material composition control and special The heat treatment method optimizes the mechanical properties and use performance of the pipe. Another potential market is special steel pipes for the fertilizer industry, the main steel types are 316L Stainless Steel and 2re69.


As an important part of the chemical industry, the petrochemical industry encompasses many production sectors, such as fertilizer, rubber, and synthetic materials industries. The petrochemical industry is a basic industry for economic development, involving many aspects of the real economy.


At present, 99.1 tons of Stainless Steel Pipes are needed for the maintenance and replacement of a polyenephenol device, of which Ф108-630mm large-diameter stainless steel pipes account for 53.79%. For another example, a set of 520,000 tons of urea and 300,000 tons of synthetic ammonia large-scale urea plant requires a total of 2018.5 tons of process pipelines, heat exchanger tubes, "urea grade" special pipes, duplex stainless steel pipes and various other steel pipes.


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