FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy. Proposed method consists in making hot-rolled strip with average grain size >6 as per ASTM from light structural triplex steel by casting melt into strip workpiece to be rolled to hot-rolled strip. Melt casting is performed at continuous casting machine to 6-20 mm-thick strip with killed flow and without bends. Rolling is carried out to degree of deformation exceeding 70 percent.
EFFECT: hot-rolled strip with fine grain.
13 cl
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