Manufacturing Process of Stainless Steel Seamless Pipe
Stainless steel seamless steel pipe
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Stainless steel seamless pipe is a kind of long steel with hollow section and no seams around.
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Product Details
Stainless steel seamless pipe is a long steel with a hollow cross-section and no seams around. The thicker the wall thickness of the product, the more economical and practical it is, and the thinner the wall thickness, the greater the processing cost.
The process of this product determines its limited performance. Generally, seamless steel pipes have low precision: uneven wall thickness, low brightness on the outside of the pipe, high cost of sizing, and pitting and black spots on the inside and outside of the pipe are not easy to remove. Its detection and shaping must be handled offline. Therefore, it reflects its superiority in terms of high pressure, high strength and mechanical structure materials.
Hot rolling (extrusion seamless steel pipe): round tube billet → heating → perforating → three-roll cross rolling, continuous rolling or extrusion → pipe stripping → sizing (or reducing) → cooling → straightening → hydraulic pressure test (or flaw detection) → marking → warehousing
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