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.)
Hitachi Ltd
Kobe Steel Ltd
Original Assignee
Hitachi Ltd
Kobe Steel Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Kobe Steel LtdfiledCriticalHitachi Ltd
Priority to JP9919982ApriorityCriticalpatent/JPS58217631A/ja
Publication of JPS58217631ApublicationCriticalpatent/JPS58217631A/ja
Publication of JPH032931B2publicationCriticalpatent/JPH032931B2/ja
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
C21D11/00—Process control or regulation for heat treatments