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Chatillon Commentry & Neuves-Maisons
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Chatillon Commentry & Neuves-Maisons
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Publication of FR824698ApublicationCriticalpatent/FR824698A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D7/00—Modifying the physical properties of iron or steel by deformation
C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
B21B27/005—Rolls with a roughened or textured surface; Methods for making same
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B2267/00—Roll parameters
B21B2267/10—Roughness of roll surface
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FR824698D1936-10-291936-10-29Procédé pour l'amélioration des surfaces de pièces en acier, et notamment de cylindres de laminoirs
ExpiredFR824698A
(fr)
Alliage de fonte pour la fabrication de pièces résistant à l'usure, soumises à des efforts élevés de pression et de choc, en particulier de cylindres de laminoirs
Procédé pour améliorer la texture et pour éviter des défauts de surface en des endroits, soumis en service à des efforts élevés, d'articles en acier