JPS5232387A - Method of detecting defects of weld zones of steel pipes - Google Patents

Method of detecting defects of weld zones of steel pipes

Info

Publication number
JPS5232387A
JPS5232387A JP10771375A JP10771375A JPS5232387A JP S5232387 A JPS5232387 A JP S5232387A JP 10771375 A JP10771375 A JP 10771375A JP 10771375 A JP10771375 A JP 10771375A JP S5232387 A JPS5232387 A JP S5232387A
Authority
JP
Japan
Prior art keywords
steel pipes
detecting defects
weld zones
detecting
weld
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
JP10771375A
Other languages
Japanese (ja)
Inventor
Masayuki Igarashi
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 JP10771375A priority Critical patent/JPS5232387A/en
Publication of JPS5232387A publication Critical patent/JPS5232387A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

PURPOSE: To measure the temperatue at the weld zone of steel pipes continuously during welding thereby detecting the changes in temperature and easily detecting cold welding defects which have heretofore impossible to defect.
COPYRIGHT: (C)1977,JPO&Japio
JP10771375A 1975-09-05 1975-09-05 Method of detecting defects of weld zones of steel pipes Pending JPS5232387A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10771375A JPS5232387A (en) 1975-09-05 1975-09-05 Method of detecting defects of weld zones of steel pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10771375A JPS5232387A (en) 1975-09-05 1975-09-05 Method of detecting defects of weld zones of steel pipes

Publications (1)

Publication Number Publication Date
JPS5232387A true JPS5232387A (en) 1977-03-11

Family

ID=14466047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10771375A Pending JPS5232387A (en) 1975-09-05 1975-09-05 Method of detecting defects of weld zones of steel pipes

Country Status (1)

Country Link
JP (1) JPS5232387A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117134A (en) * 1983-11-30 1985-06-24 Kawasaki Steel Corp Method and apparatus for detecting spot defect of electro-united steel pipe
JPH0634564A (en) * 1992-07-14 1994-02-08 Nkk Corp Weld part inspection method of steel plate
CN105928979A (en) * 2016-07-05 2016-09-07 南京中车浦镇城轨车辆有限责任公司 Method and equipment for measuring friction stir welding holes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633031A (en) * 1970-01-09 1972-01-04 Continental Can Co Can weld side-seam defect detector utilizing infrared detection means and collimator fiber optics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633031A (en) * 1970-01-09 1972-01-04 Continental Can Co Can weld side-seam defect detector utilizing infrared detection means and collimator fiber optics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117134A (en) * 1983-11-30 1985-06-24 Kawasaki Steel Corp Method and apparatus for detecting spot defect of electro-united steel pipe
JPH0634564A (en) * 1992-07-14 1994-02-08 Nkk Corp Weld part inspection method of steel plate
CN105928979A (en) * 2016-07-05 2016-09-07 南京中车浦镇城轨车辆有限责任公司 Method and equipment for measuring friction stir welding holes

Similar Documents

Publication Publication Date Title
JPS523486A (en) Detecting method of the surface flaw of metal material
JPS5232387A (en) Method of detecting defects of weld zones of steel pipes
JPS5223389A (en) Eddy current flaw detection method for internal surfaces of steel pipe s
JPS51114981A (en) Steel surface scar detecting method and equipment
JPS5232391A (en) Method of simulating welding process and inspecting physical propertie s of welded portions
JPS56102313A (en) Manufacturing apparatus for forge welded pipe
JPS5264987A (en) Apparatus for and method of detecting unevenness heat treatment in hea t treated steel pipe
JPS51140781A (en) Ultrasonic section division flaw detection
JPS53112248A (en) Method and facilities for hot direct rolling of steel material
JPS53130242A (en) Welding method for manufacture of thick-walled large diameter welded steel pipe
JPS51135590A (en) Surface defect detection method and its equipment
JPS5315206A (en) Turning over apparatus for steel pieces
JPS52139485A (en) Follow-up apparatus for use in high-speed ultrasonic flaw detection
JPS53143292A (en) Non-destructive inspecting method of expander joint portions of heat exchangers
JPS5231784A (en) Ultrasonic flaw detection method for welded steel pipe ends
Mester In-Line Inspection of Hot Steel Product.(Retroactive Coverage)
JPS5411846A (en) Welding means with low weld crack susceptibility and method of making same
JPS51147378A (en) Flaw detecting method of steel pieces
JPS51119605A (en) A detector of the temperature of a material in a heating furnace
JPS5221210A (en) High tensile strength cast steel for low temperature having superior w elding property
JPS51137480A (en) Heat exchanger inspection method and apparatus
JPS54121192A (en) Measuring method of aging of low alloy steel castings used for turbine casings
JPS5663253A (en) Nondestructive measuring method
JPS5219110A (en) Steel of low welding crack sensibility
JPS5546133A (en) Sound measuring method