Hot rolling high-strength steel structural members

Details Hot rolling high-strength steel structural members Hot rolling high-strength steel structural members

C - Chemistry, Metallurgy

21

D

C21D 7/13 (2006.01) B21B 3/02 (2006.01) C21D 8/06 (2006.01) C22C 38/04 (2006.01)

Patent

CA 2301597

High strength steel structural members and a method of making same are disclosed by providing high-strength steel material having a specific chemical composition and preferably a tensile strength of at least about 120,000 psi and a yield strength of at least about 90,000 psi and hot rolling the steel material to provide the structural member of desired geometric configuration.

Cette invention se rapporte à des éléments structuraux en acier haute résistance et à un procédé de fabrication de ces éléments, que l'on obtient en prenant un matériau à base d'acier haute résistance ayant une composition chimique spécifique et de préférence une résistance à la rupture par traction d'au moins 120000 psi environ et une résistance au fléchissement d'au moins 90000 psi environ, puis en laminant à chaud ce matériau à base d'acier pour former l'élément structural à la configuration géométrique désirée.

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