FEUERALUMINIERTER STAHL MIT AUSGEZEICHNETER BESTAENDIGKEIT GEGEN HOCHTEMPERATUROXIDATION UND AUSGEZEICHNETER FESTIGKEIT BEI HOHEN TEMPERATUREN UND VERFAHREN ZU SEINER HERSTELLUNG.

摘要

PCT No. PCT/JP84/00343 Sec. 371 Date Feb. 26, 1985 Sec. 102(e) Date Feb. 26, 1985 PCT Filed Jul. 3, 1984 PCT Pub. No. WO85/00383 PCT Pub. Date Jan. 31, 1985.Commercial process for the production of hot-dip aluminum coated steel strip or sheet having improved strength and oxidation resistance at elevated temperatures wherein a Ti containing extremely low carbon Si-Mn steel is used as a steel substrate for hot-dip coating and wherein in the hot rolling step in the manufacture of the steel substrate the temperature of the hot rolled material being coiled is controlled low enough to provide steel surfaces substantially free from internal oxidation at the end of the descaling step.