JPS5225687A - Method of detecting weld zones of seamwelded steel pipes - Google Patents

Method of detecting weld zones of seamwelded steel pipes

Info

Publication number
JPS5225687A
JPS5225687A JP50101835A JP10183575A JPS5225687A JP S5225687 A JPS5225687 A JP S5225687A JP 50101835 A JP50101835 A JP 50101835A JP 10183575 A JP10183575 A JP 10183575A JP S5225687 A JPS5225687 A JP S5225687A
Authority
JP
Japan
Prior art keywords
seamwelded
steel pipes
weld zones
detecting weld
cutting
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.)
Pending
Application number
JP50101835A
Other languages
Japanese (ja)
Inventor
Isamu Ichijima
Seiichi Watanabe
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 JP50101835A priority Critical patent/JPS5225687A/en
Publication of JPS5225687A publication Critical patent/JPS5225687A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE:To detect weld zones at high accuracy, by the use of the highly accurate linearity of the cutting fringe after removal by cutting of weld bead reinforcement and the high coherence derived from the phase characteristics of laser.
JP50101835A 1975-08-21 1975-08-21 Method of detecting weld zones of seamwelded steel pipes Pending JPS5225687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50101835A JPS5225687A (en) 1975-08-21 1975-08-21 Method of detecting weld zones of seamwelded steel pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50101835A JPS5225687A (en) 1975-08-21 1975-08-21 Method of detecting weld zones of seamwelded steel pipes

Publications (1)

Publication Number Publication Date
JPS5225687A true JPS5225687A (en) 1977-02-25

Family

ID=14311129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50101835A Pending JPS5225687A (en) 1975-08-21 1975-08-21 Method of detecting weld zones of seamwelded steel pipes

Country Status (1)

Country Link
JP (1) JPS5225687A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108903A (en) * 1982-12-14 1984-06-23 Kawasaki Steel Corp Method for detecting seamed position of seam welded steel pipe
JPS62184468U (en) * 1986-05-13 1987-11-24
JP2006234781A (en) * 2004-09-29 2006-09-07 Jfe Steel Kk Method and device for detecting seam position of electro-resistance-welded tube, and method and device for controlling heating piece of seam annealer
WO2018020873A1 (en) * 2016-07-27 2018-02-01 第一高周波工業株式会社 Post-heat treatment device and post-heat treatment method
WO2018020872A1 (en) * 2016-07-27 2018-02-01 第一高周波工業株式会社 Post-heat treatment device and post-heat treatment method
CN108526713A (en) * 2018-04-09 2018-09-14 佛山市宏石激光技术有限公司 A method of it realizing weld seam detection in laser pipe cutter and evades automatically
WO2022118515A1 (en) 2020-12-03 2022-06-09 Ｊｆｅスチール株式会社 Position detection device for seam portion and heated portion in welded steel pipe, manufacturing equippment of welded steel pipe, position detection method for seam portion and heated portion in welded steel pipe, manufacturing method of welded steel pipe, and quality control method for welded steel pipe
WO2022244383A1 (en) 2021-05-17 2022-11-24 Ｊｆｅスチール株式会社 Apparatus for detecting positions of seam portion and heated portion in welded steel pipe, equipment for manufacturing welded steel pipe, method for detecting positions of seam portion and heated portion in welded steel pipe, method for manufacturing welded steel pipe, and method for managing quality of welded steel pipe

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108903A (en) * 1982-12-14 1984-06-23 Kawasaki Steel Corp Method for detecting seamed position of seam welded steel pipe
JPS62184468U (en) * 1986-05-13 1987-11-24
JP2006234781A (en) * 2004-09-29 2006-09-07 Jfe Steel Kk Method and device for detecting seam position of electro-resistance-welded tube, and method and device for controlling heating piece of seam annealer
JP4591201B2 (en) * 2004-09-29 2010-12-01 Ｊｆｅスチール株式会社 Electric seam tube seam position detection method and apparatus, and electric seam tube manufacturing method and equipment
JP6324650B1 (en) * 2016-07-27 2018-05-16 第一高周波工業株式会社 Post heat treatment apparatus and post heat treatment method
WO2018020872A1 (en) * 2016-07-27 2018-02-01 第一高周波工業株式会社 Post-heat treatment device and post-heat treatment method
WO2018020873A1 (en) * 2016-07-27 2018-02-01 第一高周波工業株式会社 Post-heat treatment device and post-heat treatment method
JPWO2018020873A1 (en) * 2016-07-27 2018-08-16 第一高周波工業株式会社 Post heat treatment apparatus and post heat treatment method
US11053565B2 (en) 2016-07-27 2021-07-06 Dai-Ichi High Frequency Co., Ltd. Post-heating treatment device and post-heating treatment method
US11365458B2 (en) 2016-07-27 2022-06-21 Dai-Ichi High Frequency Co., Ltd. Post-heating treatment device and post-heating treatment method
CN108526713A (en) * 2018-04-09 2018-09-14 佛山市宏石激光技术有限公司 A method of it realizing weld seam detection in laser pipe cutter and evades automatically
WO2022118515A1 (en) 2020-12-03 2022-06-09 Ｊｆｅスチール株式会社 Position detection device for seam portion and heated portion in welded steel pipe, manufacturing equippment of welded steel pipe, position detection method for seam portion and heated portion in welded steel pipe, manufacturing method of welded steel pipe, and quality control method for welded steel pipe
KR20230096051A (en) 2020-12-03 2023-06-29 제이에프이 스틸 가부시키가이샤 Welded steel pipe core and heating part position detection device, welded steel pipe manufacturing equipment, welded steel pipe core and heating part position detection method, welded steel pipe manufacturing method, and welded steel pipe quality control method
WO2022244383A1 (en) 2021-05-17 2022-11-24 Ｊｆｅスチール株式会社 Apparatus for detecting positions of seam portion and heated portion in welded steel pipe, equipment for manufacturing welded steel pipe, method for detecting positions of seam portion and heated portion in welded steel pipe, method for manufacturing welded steel pipe, and method for managing quality of welded steel pipe
KR20230161505A (en) 2021-05-17 2023-11-27 제이에프이 스틸 가부시키가이샤 Device for detecting the position of the deep part and heating part of welded steel pipe, manufacturing equipment for welded steel pipe, method for detecting the position of deep part and heating part of welded steel pipe, manufacturing method of welded steel pipe, and quality control method of welded steel pipe

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