High-resistant, low-density hot laminated steel and method...

Details High-resistant, low-density hot laminated steel and method... High-resistant, low-density hot laminated steel and method...

C - Chemistry, Metallurgy

21

D

C21D 8/04 (2006.01) C21D 9/46 (2006.01) C22C 38/00 (2006.01) C22C 38/02 (2006.01) C22C 38/04 (2006.01) C22C 38/06 (2006.01) C22C 38/58 (2006.01)

Patent

CA 2478123

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.

L'invention concerne une tôle d'acier laminé à chaud à très haute résistance et de faible densité dont la composition en % en poids comprend 0,04%:9 carbone <= 0,5% 0,05%

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