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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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Filing date
Publication date
Application filed by Sumitomo Metal Industries LtdfiledCriticalSumitomo Metal Industries Ltd
Priority to JP4875076ApriorityCriticalpatent/JPS52131922A/en
Publication of JPS52131922ApublicationCriticalpatent/JPS52131922A/en
PURPOSE: To lower soluble nitrogen content of a steel plate and to make AlN particles large by hot rolling Al killed steel; coiling the hot rolled plate within a specified temperature range; and carrying out annealing at a temperature lower than conventional one, so as to obtain a cold rolled steel plate with good surface properties and press moldability.
COPYRIGHT: (C)1977,JPO&Japio
JP4875076A1976-04-281976-04-28Production of cold rolled steel sheet with good surface properties and coldability
PendingJPS52131922A
(en)