C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 8/02 (2006.01) C22C 38/04 (2006.01) C22C 38/06 (2006.01)
Patent
CA 2224813
The invention concerns a multiphase steel, a process for producing rolled products from this steel with an up to 70 vol % polygonal-ferritic structure, and its use. The steel should have high strength, good cold-working properties and improved surface quality after the final hot-working stage.
L'invention concerne un acier polyphasé, un procédé de production de produits laminés à partir dudit acier comportant jusqu'à 70 % en volume de structure polygonale-ferritique, ainsi que son utilisation. L'acier doit être très résistant, présenter une bonne aptitude au façonnage à froid et une meilleure qualité de surface après la dernière étape de déformation à chaud.
Ehrhardt Bertram
Heidelauf Thomas
Imlau Klaus
Kirby Eades Gale Baker
Thyssen Stahl Ag
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