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The electromagnetic stirrers are mainly used in the continuous casting to improve the product quality and increase the steel production. There are three possible stirrer applications, according to the position and required effects on cast product:
- M-EMS (Mould Electromagnetic Stirrers);
- S-EMS (Strand Electromagnetic Stirrers);
- F-EMS (Final Electromagnetic Stirrers).
| NAME | METALLURGICAL EFFECT | STEEL GRADES |
| MEMS |
Increase equpiaxed zone Reduce air holes, pinholes and inclusion in the surface and subsurface Equalize Billet Crust Reduce central porosity a little Reduce central segregation a little |
Low alloy steel Spring steel Cold rolling steel Medium and high carbide steel |
| SEMS |
Increase Equiaxed Zone Improve Central Segregation Reduce Inner Cracks Reduce central porosity and shringkage |
Stainless steel Tool steel |
| FEMS |
Make equiaxed zone fine Reduce central segregation Reduce central porosity and shringkage |
Spring steel Bearing steel Special high carbon steel |
Metallurgical Effect of EMS for Square( Round) Billet
Without EMS (Carbon Steel) With EMS (Carbon Steel)
Without EMS (Stainless Steel) With EMS (Stainless Steel)
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