METHOD OF MAKING A STEEL STRIP OR SHEET, IN PARTICULAR FOR AUTOMOTIVE VEHICLE BODIES AND STEEL STRIP OR SHEET OBTAINED THEREBY, IN PARTICULAR THAT FOR AUTOMOTIVE VEHICLE BODIES

摘要

The production of a cold-rolled, readily deformable strip or sheet of steel, which after hot rolling, reeling and cold rolling a recrystallizing annealing and, if appropriate, a skin pass and is subjected to a beacon - hardening - potential after a subsequent deformation and for a subsequent heat treatment, is achieved in that the recrystallization annealing in a bell furnace is carried out in the collar and that the strip or sheet according to the recrystallization annealing of a temperature t with 200 deg c t a φ 1 φ of a cooling with a cooling rate & = 1 deg c / s is subjected to. Dollars a it is thus possible, properties hoods annealed steels and nevertheless to obtain a beacon - hardening - effect, in particular c - contents & = 0,02%, to achieve.