Warm forming high-strength steel structural members

Details Warm forming high-strength steel structural members Warm forming high-strength steel structural members

C - Chemistry, Metallurgy

21

D

C21D 7/00 (2006.01) C21D 1/02 (2006.01) C21D 8/00 (2006.01) C22C 38/00 (2006.01) C21D 9/00 (2006.01)

Patent

CA 2194067

High strength steel structural members and method of making are disclosed by providing a blank of high-strength steel material having a tensile strength of at least about 120,000 psi and a yield strength of at least about 90,000 psi and warm forming the blank to provide the member of desired geometric configuration while substantially maintaining or increasing the strength properties of the blank.

Eléments de charpente en acier extrêmement résistant et procédé de fabrication au moyen d'une ébauche en acier extrêmement résistant possédant une résistance à la traction d'au moins 120 000 psi environ et une résistance à la déformation d'au moins 90 000 psi environ, qu'on profile à chaud, afin d'obtenir un élément présentant une configuration géométrique souhaitée, tout en conservant ou en augmentant sensiblement les propriétés de résistance de l'ébauche.

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