METHOD AND APPARATUS FOR MAKING STEEL STRIP Russian patent published in 2000 - IPC

FIELD: equipment for making steel strips. SUBSTANCE: method comprises steps of draining melt steel from ladle to intermediate casting unit having atmospheric chamber and vacuum chamber; at first feeding melt steel into atmospheric chamber and then through vacuum chamber to crystallizer; forming in crystallizer thin slab with thickness no less than 150 mm; drawing it, equalizing its temperature in homogenizing furnace; rolling slab in austenite zone for making strip; cooling strip until temperature of ferrite conversion; rolling it in said range. EFFECT: enhanced quality of steel strip. 16 cl, 2 dwg