In the modern industrial field, stainless steel welded pipes are favored for their unique corrosion resistance, high strength, and excellent processing performance. Among them, 022Cr25Ni6Mo2N stainless steel welded pipes, as a high-performance stainless steel material, play a pivotal role in many industries such as chemical, petroleum, pharmaceutical, and food. This article will discuss in detail the material properties, production process, application fields, and future development prospects of 022Cr25Ni6Mo2N stainless steel welded pipes.
022Cr25Ni6Mo2N stainless steel welded pipes
1.022Cr25Ni6Mo2N stainless steel welded pipe product specifications: outer diameter 57mm~914mm wall thickness 1.2mm~30mm. The material should comply with the requirements of TSG D7002 Pressure Pipe Component Form Test Rules.
2.022Cr25Ni6Mo2N Stainless Steel Welded Pipe Implementation Standards: GB/T21832.2 Austenitic Ferritic Duplex Stainless Steel Welded Pipe Part 2: Pipes for Fluid Transportation. , GB/T21832.1 Austenitic Ferritic Duplex Stainless Steel Welded Pipe Part 1: Pipes for Heat Exchangers. And more standards.
3.022Cr25Ni6Mo2N stainless steel welded pipe chemical composition (%): carbon C: ≤0.030, silicon Si ≤1.00, manganese Mn ≤2.00, phosphorus p: ≤0.030, sulfur S: ≤0.030, nickel Ni 5.5~6.5, chromium Cr:24.00~26.00, molybdenum:1.2~2.5, nitrogen:0.10~0.20.
4.022Cr25Ni6Mo2N stainless steel welded pipe heat treatment system: 1050℃~1100℃, rapid cooling, mechanical properties: tensile strength ≥690Mpa, specified plastic extension strength ≥450Mpa, elongation after fracture ≥25%, HBW hardness: ≤280,
First, the material properties of 022Cr25Ni6Mo2N stainless steel welded pipe.
022Cr25Ni6Mo2N stainless steel welded pipe is a high-alloy stainless steel, which is rich in chromium, nickel, molybdenum, and nitrogen in its chemical composition. The addition of these elements gives the material excellent corrosion resistance, especially in corrosive media such as acid and alkali. At the same time, its strength is much higher than that of ordinary stainless steel, and it can meet the use requirements in various high-pressure and high-temperature environments. In addition, the material also has good weldability and processability, which is convenient for processing into various complex shapes and structures.
Second, the production process of 022Cr25Ni6Mo2N stainless steel welded pipe.
The production process of 022Cr25Ni6Mo2N stainless steel welded pipe mainly includes raw material preparation, smelting, rolling, welding, heat treatment, straightening, cutting, and inspection. In the raw material preparation stage, high-quality alloy materials need to be selected, and strict chemical composition analysis and mechanical property testing need to be carried out. During the smelting process, the smelting temperature and composition should be controlled to ensure the uniformity and stability of the alloy. Rolling and welding are key links in the production process, and advanced equipment and processes are required to ensure the dimensional accuracy and welding quality of the welded pipe. Heat treatment is an important step to improve material properties. Through proper heating and cooling treatment, the stress and defects inside the material can be eliminated and the strength and toughness of the material can be improved. Finally, through straightening, cutting, and inspection processes, finished welded pipes that meet the requirements can be obtained.
Third, the application field of 022Cr25Ni6Mo2N stainless steel welded pipe.
022Cr25Ni6Mo2N stainless steel welded pipe is widely used in many fields due to its excellent performance. In the chemical industry, it is often used to manufacture various corrosion-resistant pipes, containers, and equipment, such as pipelines and storage equipment for corrosive media such as sulfuric acid, nitric acid, and acetic acid. In the petroleum industry, it is also widely used in equipment under high temperature and high pressure environments such as oil wells, refineries, and natural gas pipelines. In addition, in the pharmaceutical, food, and other industries, due to its good hygiene and corrosion resistance, it is also widely used to manufacture various sanitary equipment and pipelines.
Fourth, future development prospects
With the continuous development of industrial technology and the increasing environmental protection requirements, the market demand for 022Cr25Ni6Mo2N stainless steel welded pipes will continue to grow. On the one hand, with the rapid development of chemical, petroleum, and other industries, the demand for high-performance stainless steel welded pipes will continue to increase; on the other hand, with the improvement of environmental awareness and the strengthening of environmental protection regulations, the demand for corrosion-resistant and pollution-free stainless steel welded pipes will also gradually increase. Therefore, as a high-performance stainless steel material, 022Cr25Ni6Mo2N stainless steel welded pipes will have broad development prospects in future market competition.
At the same time, with the advancement of science and technology and the continuous emergence of new materials, the production process and performance of 022Cr25Ni6Mo2N stainless steel welded pipes will also be further improved. For example, by optimizing the smelting process and heat treatment process, the strength and toughness of the material can be further improved; by improving welding technology and equipment, the dimensional accuracy and welding quality of the welded pipe can be further improved. These technical improvements will help improve the market competitiveness of 022Cr25Ni6Mo2N stainless steel welded pipes and promote their application in more fields.
In short, 022Cr25Ni6Mo2N stainless steel welded pipe, as a high-performance stainless steel material, plays an important role in the modern industrial field. With the growth of market demand and the continuous advancement of technology, its future development prospects will be very broad.
Post time: May-12-2025