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Application of Stainless Steel Welded Pipe in Various Industries

Date:2020-06-22    keywords:stainless steel welded pipe,various industries,application
Stainless steel welded pipe is a hollow long round steel material, mainly used in industrial transportation pipelines and mechanical structural parts such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instrumentation, etc. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used in the manufacture of mechanical parts and engineering structures.

1. Automotive industry
The main use of stainless steel is the exhaust system, accounting for more than 1/2 of the total amount of automotive stainless steel, and 80% is ferritic stainless steel. The exhaust gas generated by the automobile engine finally flows out of the muffler through the exhaust gas intake pipe, the front pipe, the hose, the converter, and the center pipe. Commonly used steel types for exhaust system are 409L, 436L, etc. Automotive mufflers mainly use stainless steel welded pipes. According to estimates, stainless steel welded pipes used in automobiles account for about 1.5% of the entire downstream use of stainless steel welded pipes, and the ratio of stainless steel seamless pipes and welded pipes is about 2:1.

2. Petrochemical industry
There is a huge demand for stainless steel pipes. The industry mainly uses stainless steel seamless pipes, specifications include: 304, 321, 316, 316L, 347, 317L, etc., the outer diameter is about ¢18-¢610, and the wall thickness is 6mm-50mm Left and right (generally choose medium and low pressure conveying pipelines with specifications above Φ159mm), the specific application areas are: furnace tubes, material conveying tubes, heat exchanger tubes, etc.

3. Fluid transportation such as water and gas
Stainless steel pipes and water conveying equipment are the most advanced basic water purification materials in the world today, and they have strong anti-corrosion performance.

The best materials for the water industry, such as water preparation, storage, transportation, purification, regeneration, and seawater desalination, have an annual demand of approximately 25,000 tons.

4. Equipment manufacturing and maintenance
Annual consumption of more than 20,000 tons of stainless steel pipes. Such industries mainly use sanitary or antibacterial grade stainless steel pipes. The sanitary seamless pipes made of imported SUS304 and 316L can meet the special requirements of various media in the fields of food and biopharmaceuticals. Antibacterial stainless steel has the advantages of stainless steel and good antibacterial properties. The demand in kitchen equipment, workbenches and utensils in the food industry, medical equipment, tableware and hanging towel racks in daily life, brackets for refrigerators, etc. is increasing.

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