DEVELOPING THE PRODUCTION OF HOT-ROLLED COILS OF STEEL GRADE B FOR FURTHER MANUFACTURING OF PIPES IN ACCORDANCE WITH API-5L REQUIREMENTS AT ROLLING MILL 1700, PJSC “ILYICH IRON AND STEEL WORKS”
Journal Title: Вчені записки Таврійського національного університету імені В. І. Вернадського. Серія: Технічні науки - Year 2018, Vol 29, Issue 6
Abstract
At rolling mill 1700 facilities, PJSC “ILYICH IRON AND STEEL WORKS” the technology has been developed and the batch of hot-rolled coils of dimensions 4.7x1190 mm and 5.7x1190 mm, steel grade B has been produced by the method of thermomechanical controlled rolling for further manufacturing of electric-welded pipes in accordance with API-5L. Pursuant to the developed technology the controlled air cooling of coils has been applied up to 450 oC after coiling. This ensures the reduction of air scale layer thickness and improves the surface quality, including the surface quality during further manufacturing of electric-welded pipes.
Authors and Affiliations
О. Г. Курпе, В. В. Кухар, О. М. Шебаніц
Keywords
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