JPS5432161A - Detecting methof for quantity of reduction in manufacture of welded steel pipe - Google Patents

Detecting methof for quantity of reduction in manufacture of welded steel pipe

Info

Publication number
JPS5432161A
JPS5432161A JP9702877A JP9702877A JPS5432161A JP S5432161 A JPS5432161 A JP S5432161A JP 9702877 A JP9702877 A JP 9702877A JP 9702877 A JP9702877 A JP 9702877A JP S5432161 A JPS5432161 A JP S5432161A
Authority
JP
Japan
Prior art keywords
manufacture
steel pipe
reduction
welded steel
methof
Prior art date
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.)
Granted
Application number
JP9702877A
Other languages
Japanese (ja)
Other versions
JPS6240087B2 (en
Inventor
Minoru Fukushima
Masahiro Matsushige
Kiyoshi Matsui
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 Corp filed Critical Nippon Steel Corp
Priority to JP9702877A priority Critical patent/JPS5432161A/en
Publication of JPS5432161A publication Critical patent/JPS5432161A/en
Publication of JPS6240087B2 publication Critical patent/JPS6240087B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

PURPOSE: To detect the quantity of the reduction given to the base metal, by measuring measuring the length of circumference of the base metal, formed into a cylindrical shape through the fin pass rolling, utilizing the ultrasonic wave, in the manufacture of the welded steel pipe.
COPYRIGHT: (C)1979,JPO&Japio
JP9702877A 1977-08-15 1977-08-15 Detecting methof for quantity of reduction in manufacture of welded steel pipe Granted JPS5432161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9702877A JPS5432161A (en) 1977-08-15 1977-08-15 Detecting methof for quantity of reduction in manufacture of welded steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9702877A JPS5432161A (en) 1977-08-15 1977-08-15 Detecting methof for quantity of reduction in manufacture of welded steel pipe

Publications (2)

Publication Number Publication Date
JPS5432161A true JPS5432161A (en) 1979-03-09
JPS6240087B2 JPS6240087B2 (en) 1987-08-26

Family

ID=14180982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9702877A Granted JPS5432161A (en) 1977-08-15 1977-08-15 Detecting methof for quantity of reduction in manufacture of welded steel pipe

Country Status (1)

Country Link
JP (1) JPS5432161A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206134A1 (en) 2020-04-09 2021-10-14 株式会社中田製作所 Metal tube manufacturing method and device

Also Published As

Publication number Publication date
JPS6240087B2 (en) 1987-08-26

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