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Daily maintenance and production process of thick-walled straight seam steel pipe
The advantage of thick-walled straight seam steel pipe is that the online heat treatment process of the weld eliminates welding stress, refines the metallographic grains of the heat-affected zone, and improves the physical and mechanical properties. Western developed countries attach importance t...Read more -
Thick-walled steel pipe production steps and the phenomenon of inferior steel pipes
Thick-walled steel pipes refer to steel pipes with a ratio of outer diameter to wall thickness of less than 20. They are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural pipes for automobiles, tractor...Read more -
How to cool large-diameter steel pipes after the quenching process
Steel pipes are not only used to transport fluids and powdered solids, exchange heat energy, and make mechanical parts and containers, but they are also economical steel. Using steel pipes to make building structure grids, pillars, and mechanical supports can reduce weight, save 20-40% of metal, ...Read more -
Submerged arc steel pipe welding control measures and forming methods
First, submerged arc steel pipe welding control measures: Submerged arc steel pipe has become the steel pipe for large oil and gas transportation projects at home and abroad due to its large wall thickness, good material, and stable processing technology. In large-diameter submerged arc steel pip...Read more -
Horizontal fixed welding of thick-walled stainless steel pipes and precautions for use
Horizontal fixed welding of thick-walled stainless steel pipes: Stainless steel pipes are a kind of hollow long steel strips, which are widely used as pipelines for conveying fluids, such as oil, natural gas, water, coal gas, steam, etc. Stainless steel pipes are light in weight when the bending ...Read more -
Construction preparation before welding of large-diameter steel pipes and introduction to inner wall anti-corrosion
First, construction preparation before welding of large-diameter steel pipes: 1. Organize relevant operators, familiarize themselves with construction drawings and procedures, formulate welding processes, and prepare welding operation instructions. 2. Welders should be trained for corresponding p...Read more -
Classification of welded steel pipes and the use and advantages of different welded steel pipes
Welded steel pipes can be classified into different types and categories according to different classification methods. Welded steel pipes of different properties have different characteristics and properties in use and show different use values in use. Welded steel pipes can be classified into...Read more -
What should be paid attention to in the construction of steel pipe piles
The construction quality of steel pipe piles is related to the stability of the building, so some details must be paid attention to during the construction of steel pipe piles. The main precautions for steel pipe pile construction are: 1. Before the construction of steel pipe piles, it is necessa...Read more -
How to judge the quality of industrial spiral steel pipes
1. From the surface of the spiral steel pipe, see whether the production process of the spiral steel pipe is exquisite. Generally, it is necessary to study and analyze the spiral steel. The cross-section of the fake and inferior spiral steel pipe is elliptical. The reason is that the manufacturer...Read more -
Heat treatment defects of steel pipes and their prevention
Whether normalizing, annealing, tempering, quenching, or other heat treatment processes are used, steel pipes need to go through basic processes such as heating, insulation, and cooling during heat treatment, and defects may occur in steel pipes during these processes. The defects of heat treatme...Read more -
Spiral steel pipe 426 is the channel to open the future
Spiral steel pipe 426 is an important pipeline material, which is widely used in construction, oil, natural gas, and other fields. It plays an important role in modern engineering with its unique spiral structure and excellent performance. First, the characteristics of spiral steel pipe 426 1. Sp...Read more -
DN200 steel pipe is a pipe material with a strong bearing capacity
Steel pipe is a common building material, which is widely used in many fields. Among them, DN200 is a common steel pipe specification, which means that the nominal diameter of the pipe is 200 mm. 1. Characteristics of DN200 steel pipe Compared with steel pipes of other diameter specifications, DN...Read more