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Metallurgical effect of EMS for Bloom (Round)

STIRRER LOCATION METALLURGICAL EFFECTS Steel Grades
Outside/inside the mould (M-EMS) Increase equiaxed 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 carbon steel
in the strand (S-EMS) Increase Equiaxed Zone
Inprove Central Segregation
Reduce Inner Cracks
Reduce central porosity and shringkage

stainless steel
tool steel
in the final (F-EMS) Make equiaxed zone fine
Reduce central segregation
Reduce central porosity and shringkage

spring steel
bearing steel
special high carbon steel
Photos of Cross Section of Billet and round
Sulfur Print Photos of Section Sulfur Print Photos of Section
Without EMS (carbon steel) With EMS (carbon steel)
Sulfur Print Photos of Section Sulfur Print Photos of Section
Without EMS (stainless steel) With EMS (stainless steel)
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