Cold worked grit

Details Cold worked grit Cold worked grit

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01)

Patent

CA 2212542

A grit having a Rockwell hardness from about 40 Rc to about 60 Rc is disclosed. The grit is prepared by cold working a ferrous metal after cleaning and drying it. Cold working may be achieved by grinding, milling, chipping, pulverizing or the like. The ferrous metal may be iron, pig iron, steel, stainless steel and other alloys of ferrous metals.

L'invention porte sur un type de grenaille dont la dureté Rockwell varie à peu près de 40 Rc à 60 Rc. La grenaille est préparée par écrouissage d'un métal ferreux une fois ce dernier nettoyé et séché. L'écrouissage peut être exécuté par broyage fin, broyage très fin, burinage, pulvérisation, ou tout autre procédé semblable. Le métal ferreux peut être du fer, de la fonte en gueuses, de l'acier, de l'acier inoxydable et d'autres alliages de métaux ferreux.

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