JPS5240391A - Flaw detection device for circular-column-shaped or cylindrical metal material - Google Patents

Flaw detection device for circular-column-shaped or cylindrical metal material

Info

Publication number
JPS5240391A
JPS5240391A JP11670575A JP11670575A JPS5240391A JP S5240391 A JPS5240391 A JP S5240391A JP 11670575 A JP11670575 A JP 11670575A JP 11670575 A JP11670575 A JP 11670575A JP S5240391 A JPS5240391 A JP S5240391A
Authority
JP
Japan
Prior art keywords
column
circular
shaped
detection device
metal material
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
JP11670575A
Other languages
Japanese (ja)
Other versions
JPS5737026B2 (en
Inventor
Tatsuo Hiroshima
Tetsuya Hirota
Takahide Sakamoto
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 Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP11670575A priority Critical patent/JPS5240391A/en
Publication of JPS5240391A publication Critical patent/JPS5240391A/en
Publication of JPS5737026B2 publication Critical patent/JPS5737026B2/ja
Granted legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE: To provide a magnetic field detector comprising annularly mounting plural magnetic field detecting elements on its lateral periphery, near the coil of an eddy current flaw detector, in addition to this detector, in detecting the flaws of a cylindrical magnetic metal thereby detecting any flaw of short size in axial and circumferential directions.
COPYRIGHT: (C)1977,JPO&Japio
JP11670575A 1975-09-26 1975-09-26 Flaw detection device for circular-column-shaped or cylindrical metal material Granted JPS5240391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11670575A JPS5240391A (en) 1975-09-26 1975-09-26 Flaw detection device for circular-column-shaped or cylindrical metal material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11670575A JPS5240391A (en) 1975-09-26 1975-09-26 Flaw detection device for circular-column-shaped or cylindrical metal material

Publications (2)

Publication Number Publication Date
JPS5240391A true JPS5240391A (en) 1977-03-29
JPS5737026B2 JPS5737026B2 (en) 1982-08-07

Family

ID=14693780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11670575A Granted JPS5240391A (en) 1975-09-26 1975-09-26 Flaw detection device for circular-column-shaped or cylindrical metal material

Country Status (1)

Country Link
JP (1) JPS5240391A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6258757U (en) * 1985-10-02 1987-04-11
JPH01209356A (en) * 1988-02-18 1989-08-23 Maakutetsuku Kk Magnetic flaw detector for long-sized steel material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957885A (en) * 1972-09-30 1974-06-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957885A (en) * 1972-09-30 1974-06-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6258757U (en) * 1985-10-02 1987-04-11
JPH01209356A (en) * 1988-02-18 1989-08-23 Maakutetsuku Kk Magnetic flaw detector for long-sized steel material

Also Published As

Publication number Publication date
JPS5737026B2 (en) 1982-08-07

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