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2013•Baosteel TechnologyRequires access

Effect of F-EMS on the microstructure and performance of steel pipes

Liu Qi-li

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Abstract

An F-EMS( final electromagnetic stirring) device has been used on a round billet caster at Baosteel. Based on the application results of the F-EMS device as well as the molten steel superheat during casting,the casting speed and the secondary cooling process,this paper compared and determined the effects of different F-EMS processes on the internal quality of continuously-cast billets and the composition uniformity,microstructure and performance of finished pipes. The results show that the combined F-EMS process has good metallurgical effects and can significantly improve the composition uniformity,microstructure and performance of steel pipes.

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What this paper is about

An F-EMS( final electromagnetic stirring) device has been used on a round billet caster at Baosteel. Based on the application results of the F-EMS device as well as the molten steel superheat during casting,the casting speed and the secondary cooling process,this paper compared and determined the effects of different F-EMS processes on the internal quality of continuously-cast billets and the composition uniformity,microstructure and performance of finished pipes. The results show that the combined F-EMS process has good metallurgical effects and can significantly improve the composition uniformity,microstructure and performance of steel pipes.

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Available abstract

An F-EMS( final electromagnetic stirring) device has been used on a round billet caster at Baosteel. Based on the application results of the F-EMS device as well as the molten steel superheat during casting,the casting speed and the secondary cooling process,this paper compared and determined the effects of different F-EMS processes on the internal quality of continuously-cast billets and the composition uniformity,microstructure and performance of finished pipes. The results show that the combined F-EMS process has good metallurgical effects and can significantly improve the composition uniformity,microstructure and performance of steel pipes.

Key concepts: Microstructure, Caster, Superheating, Metallurgy, Materials science, Casting, Continuous casting, Steel casting

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