High-strength steel parts and method of making

Details High-strength steel parts and method of making High-strength steel parts and method of making

C - Chemistry, Metallurgy

21

D

C21D 8/00 (2006.01) B60G 21/055 (2006.01) C21D 1/02 (2006.01) C21D 7/00 (2006.01) C21D 9/00 (2006.01) C22C 38/12 (2006.01)

Patent

CA 2093905

High strength steel parts 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 part of desired geometric configuration while substantially maintaining the strength properties of the blank.

L'invention concerne des pièces en acier très résistant et un procédé de fabrication de ces dernières. Dans ce procédé, on utilise une ébauche en acier très résistant ayant une résistance à la rupture par traction au moins égale à environ 120.000 psi et une limite élastique au moins égale à environ 90.000 psi, puis on forme l'ébauche à semi-chaud pour obtenir la pièce ayant la configuration géométrique voulue tout en conservant sensiblement les propriétés de résistance de l'ébauche.

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