Patent ID: 6336980
Filing Date: 2002-01-08
Classification: B21B,C21D

Abstract:
A method for in-line treating of steel stock hot rolled in a rolling mill, comprising the steps conducted in-line with the rolling mill, of:a. in-line treating the rolled stock, before shearing, in the thermocontrolled rolling zone, thereby preparing a product having a spherodized preliminary section; b. cutting the low temperature rolled stock into pieces of predetermined length; c. in preparation for annealing of the thermocontrolled rolled stock, preparing layers of predetermined numbers of pieces of stock in a layers preparation zone wherein the number of cut pieces of stock per layer depends on the section of the rolled stock; d. annealing the prepared layers of stock in an on-line annealing furnace for controlled cooling, holding or heating of the layers of stock; e. separating and discharging the layers into individual pieces of annealed stock, and f. cooling the annealed stock in a cooling bed.