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
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 Sumitomo Metal Industries LtdfiledCriticalSumitomo Metal Industries Ltd
Priority to JP10826876ApriorityCriticalpatent/JPS5332814A/en
Publication of JPS5332814ApublicationCriticalpatent/JPS5332814A/en
Publication of JPS5714410B2publicationCriticalpatent/JPS5714410B2/ja
Heat Treatment Of Strip Materials And Filament Materials
(AREA)
Heat Treatment Of Steel
(AREA)
Abstract
PURPOSE: To obtain a high tensile steel plate with decreased yield ratio used for steel pipes by hot rolling a billet of Mo-Nb-V steel of a specified compsn. into a plate and heating the plate to a temp. above Ar3 point, followed by homogenizing and air cooling.
COPYRIGHT: (C)1978,JPO&Japio
JP10826876A1976-09-081976-09-08Production of steel plate with excellent moldability used for steel pipe
GrantedJPS5332814A
(en)