Evolution of Liquid Cleanliness of Pipeline Steel in Refining and Casting Process of 220t BOF-LF-VD-Slab CC Flowsheet

The metallurgical flow sheet of tested pipeline steel X52 (/% : 0.070~0.0790, 0.22Si, 1.29~1.32Mn, 0.008~0.009P, 0.002S, 0.028Al, 0.0016~0.0017T[O], 0.0053〜0.0065N) is hot-metal pretreatment- 220t BOF-LF-VD-230 mm slab CC. The main steelmaking processes are adding aluminium shot in tapping of BOF； m...

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Bibliographic Details

Published in:	Teshugang
Main Authors:	Yang Guangwei, Wang Xinhua
Format:	Article
Language:	Chinese
Published:	Editorial Office of Special Steel 2017-07-01
Subjects:	X52 Pipeline Steel Al2O3 CaO-MgO- Al2O3 CaO- Al2O3-CaS ASPEX Cleanliness
Online Access:	http://www.specialsteeljournal.com/thesisDetails?columnId=129797334&Fpath=home&index=0