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 CA000362078ApriorityCriticalpatent/CA1167210A/fr
Application grantedgrantedCritical
Publication of CA1167210ApublicationCriticalpatent/CA1167210A/fr
Способ производства биметаллических центробежно-литых заготовок и биметаллических износостойких труб для транспортировки абразивных сыпучих материалов и пульп на трубопрокатных установках с пилигримовыми станами
Способ производства передельной трубной заготовки для прокатки холоднокатаных труб большого и среднего диаметров из труднодеформируемых марок стали и сплавов