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 pipeInfo
- 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
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
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)
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 |
-
1977
- 1977-08-15 JP JP9702877A patent/JPS5432161A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6240087B2 (en) | 1987-08-26 |
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