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
Nippon Steel Corp
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 Nippon Steel CorpfiledCriticalNippon Steel Corp
Priority to JP4515477ApriorityCriticalpatent/JPS6017639B2/en
Publication of JPS53130246ApublicationCriticalpatent/JPS53130246A/en
Publication of JPS6017639B2publicationCriticalpatent/JPS6017639B2/en
Butt Welding And Welding Of Specific Article
(AREA)
Abstract
PURPOSE: To obtain aj good appearance of Uranami bead without engaging phenomenonj of a backing belt, by providing a refractory coating having a specified thickness on the surface of a copper backing belt, when one-side welding or Uranami welding being carried out with butting of pipe.
COPYRIGHT: (C)1978,JPO&Japio
JP4515477A1977-04-211977-04-21
Backing band for pipe butt welding on one side
ExpiredJPS6017639B2
(en)