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Title:
METHOD FOR CONTINUOUSLY CASTING MEDIUM CARBON STEEL
Document Type and Number:
Japanese Patent JPH0327850
Kind Code:
A
Abstract:

PURPOSE: To cast a cast slab having little longitudinal crack on the surface by using mold powder containing CaCO3 covered with the specific grain diameter of carbon black at the time of continuously casting medium carbon steel.

CONSTITUTION: The medium carbon steel having 0.08-0.16wt.% carbon content and solidifying through reaction is cast with continuous casting. Then, the mold powder containing CaCO3 covered with carbon black having ≤100μm the grain diameter is used. By this method, the continuous casting method obtaining the cast slab having no defect can be provided.


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Inventors:
SUZUKI HAJIME
TANMACHI KENICHI
FUJII TETSUYA
Application Number:
JP15826289A
Publication Date:
February 06, 1991
Filing Date:
June 22, 1989
Export Citation:
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Assignee:
KAWASAKI STEEL CO
International Classes:
B22D11/07; B22D11/10; B22D11/108; B22D11/111; (IPC1-7): B22D11/07; B22D11/10



 
Next Patent: DEVICE FOR RESTRAINING FLOW VARIATION OF MOLTEN METAL IN CONTINUOUS CASTING MOLD