| 摘要 |
The invention relates to a high-resistant, low-density hot laminated sheet steel comprising the following elements expressed in weight per cent: 0.04%:9 carbon<=0.5%; 0.05%<=manganese<=3%, being able to contain hardening elements: 0.01%<=niobium<=0.1 0.01%<=titanium<=0.2% 0.01<=vanadium<=0.2%, either individually or combined, and/or elements acting on the transformation temperatures, 0.0005%<=boron<=0.005%; 0.05%<=nickel<=2%; 0.05%<=chrome<=2%; 0.05%<=molybdenum<=2%, either individually or combined, the remainder being iron and elements which are inherent to production, characterized in that it comprises: 2%<=silicon<=10%; 1%<=aluminium<=10%. The invention also relates to the production thereof.
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