COATED HOT AND COLD ROLLED SHEET STEEL PRESENTING HIGH STRENGTH QUALITIES FOLLOWING THERMAL PROCESSING

摘要

hot-rolled steel sheet and cold-rolled, which could then be coated steel sheet, of which the composition by weight: 0.15% carbon & & 0.5% 0.5% mn & & 3% 0.1% silicon & & 0.5% 0.01% (& & 1%, titanium & 0.2%, aluminium & 0.1%, 0.1%, p & 0.05% sulphur & , 0.0005% boron & & 0.08%.the balance iron and impurities of the development.the sheet with a very high mechanical strength after heat treatment and coating aluminum with a high resistance to corrosion.