C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 7/10 (2006.01) B60G 21/055 (2006.01) C21D 8/00 (2006.01) C22C 38/00 (2006.01) C21D 1/30 (2006.01) C21D 9/00 (2006.01)
Patent
CA 2147979
A method of making high-strength steel parts is disclosed by providing a blank of high-strength parts is disclosed by providing a blank of high-strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by upsetting, forging, or extrusion to provide a part having a desired geometric configuration while the mechanical strength of the part remains substantially the same or greater than the blank.
Méthode de fabrication de pièces en acier à haute résistance. La méthode consiste à fournir une pièce d'acier à haute résistance non finie ayant une microstructure ferrite-perlite et étant très résistante, et à former à froid la pièce non finie par refoulage, par forgeage ou par extrusion, afin d'obtenir une pièce ayant la configuration souhaitée tout en lui conservant une résistance mécanique essentiellement égale ou supérieure à celle de la pièce non finie.
Consolidated Metal Products Inc.
Macrae & Co.
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