The manufacturing of stainless steel welded pipe is a precise and rigorous process, and each process is related to the quality and performance of the product.
The first step in manufacturing is the preparation of raw materials. Select stainless steel strips or plates that meet the standard, and their chemical composition and mechanical properties need to be strictly controlled to ensure a good foundation for subsequent processing.
Then it enters the molding stage. Through special molding equipment, stainless steel strips or plates are gradually bent so that their edges are jointed to form a prototype of the tube blank. In this process, the accuracy of the equipment and the operation process are extremely high to ensure the size of the tube blank is accurate and the shape is regular.
The formed tube blank should be welded. Common welding methods are argon arc welding, high frequency resistance welding and so on. Argon arc welding can provide high-quality welds, and argon protection can effectively prevent oxidation during welding, so that the weld is beautiful and firm; High frequency resistance welding with high efficiency, energy saving characteristics, suitable for large-scale production, through the high frequency current to make the edge of the tube billet quickly heated fusion, complete the welding.
After welding, the welded pipe also needs to undergo multiple inspection processes. Including appearance inspection to see if there are cracks, pores and other defects; Non-destructive testing, such as ultrasonic testing, X-ray testing, to detect the internal quality of the weld; And pressure test to check the sealing performance and strength of welded pipes under different pressures.
Finally, according to customer needs, the qualified welded pipe is cut, polished, polished and other follow-up processing, so that it becomes a finished product to meet the diverse needs of the market. From raw materials to finished products, the manufacturing process of stainless steel welded pipes embodies advanced technology and fine technology, showing the charm and wisdom of industrial manufacturing.
Related: stainless steel pipe production line, high-speed welded steel pipe production line
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