Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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Filing date
Publication date
Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to JP5899775ApriorityCriticalpatent/JPS5929645B2/en
Publication of JPS51134311ApublicationCriticalpatent/JPS51134311A/en
Publication of JPS5929645B2publicationCriticalpatent/JPS5929645B2/en
PURPOSE: In a hot rolling step of cold forging steel, steel having trasitional structure with scale scales attached to is annealed at a temperature under A1 transition point with the result that the carbide in the steel is spheroidized without decarburization of the steel surface.
COPYRIGHT: (C)1976,JPO&Japio
JP5899775A1975-05-171975-05-17
Manufacturing method for steel materials for cold forging
ExpiredJPS5929645B2
(en)