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- Title
New Solutions in Pipe Billet Production.
- Authors
Zhakupova, Aray; Zhakupov, Alibek; Bogomolov, Alexey
- Abstract
This paper proposes a method for determining the speed of hollow steel billet casting to produce seamless oil and gas pipes. At the same time, the use of hollow billet excludes, in the technological process of pipe production, the piercing of the billet. The results of industrial production modeling were recalculated into natural quantities according to the Fourier number similarity criterion. The calculations determined that the optimal drawing speed and casting speed of a billet with a diameter of 210 mm are 2.01 m/min and 0.273 t/min, respectively. At the same time, productivity increased by 16%, compared to the one when casting a solid billet. To ensure the homogeneity of structure and mechanical properties over the entire cross-section of the hollow billet, the optimum ratio of coolant flow rates into the inner cavity and outside the billet in the secondary cooling zone was determined, considering the area of the cooled surface, which is equal to 1.46.
- Subjects
NATURAL gas pipelines; STEEL founding; CAST steel; SURFACE area; MANUFACTURING processes
- Publication
Engineering, Technology & Applied Science Research, 2024, Vol 14, Issue 6, p17945
- ISSN
2241-4487
- Publication type
Academic Journal
- DOI
10.48084/etasr.8554