Process for preparing aluminum-plated steel sheets having...

Details Process for preparing aluminum-plated steel sheets having... Process for preparing aluminum-plated steel sheets having...

C - Chemistry, Metallurgy

21

D

148/10

C21D 8/02 (2006.01) C21D 9/46 (2006.01) C23C 2/02 (2006.01)

Patent

CA 1178182

Abstract of the Disclosure A process for preparing molten-aluminum-plated steel sheets having good formability and high oxidation resistance at elevated temperatures is disclosed. Said process comprises producing a steel containing 0.001 - 0.020 % of C, 0.05 - 0.30 % of Mn, 0.05 - 0.50 % of Cr, 0.01 - 0.10 % of Al, and 0.10 - 0.50 % and not less than 10 times the C content of Ti, and making the steel into a hot coil with the coiling temperature not lower than 700°C, cold-rolling said hot coil and plating the cold- rolled sheet by heating it to a temperature not lower than 850°C using an in-line annealing type plating apparatus with non-oxidizing furnace.

368870

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