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ELECTROMAGNETIC STIRRER M-EMS (Mould Electromagnetic Stirrers) S-EMS (Strand Electromagnetic Stirrers) F-EMS (Final Electromagnetic Stirrers)
The electromagnetic stirrers are used in the continuous casting process to improve the product quality and to increase the steel production. According to the position along the casting strand and metallurgical effects, stirrers can be classified mould, strand and final stirrers. The benefits obtained using one or more EMS in combination include surface and sub-surface quality, internal and central soundness as segregation, porosity and central cracks.
NEEDS- Cast product metallurgical enhancement
- Production increase
- New steel grade production
- Production rejection reduction
- Surface and sub-surface quality enhancement
- Solidification structure improvement
- Central soundness enhancement
- Stirrer custom design on new and existing CCM
- Energy saving design
EMS type & combination M-EMS M+F-EMS M+S+F-EMS M+S-EMS S-EMS S+F-EMS Pinhole & blowhole +++ +++ +++ +++ — — Surface & subsurface cracks +++ +++ +++ +++ — — Break-out reduction +++ +++ +++ +++ +* +* Solidification structure & internal crack ++ ++ +++ +++ ++ ++ Centerline segregation, center porosity ++ +++ +++ ++ ++ ++ V segregation — +++ ++ + +** ++ * With S-EMS in high position. ** With S-EMS in low position.
