JPS5265494A - Method of detecting surface flaw of hot steel material - Google Patents

Method of detecting surface flaw of hot steel material

Info

Publication number
JPS5265494A
JPS5265494A JP14149575A JP14149575A JPS5265494A JP S5265494 A JPS5265494 A JP S5265494A JP 14149575 A JP14149575 A JP 14149575A JP 14149575 A JP14149575 A JP 14149575A JP S5265494 A JPS5265494 A JP S5265494A
Authority
JP
Japan
Prior art keywords
steel material
detecting surface
surface flaw
hot steel
hot
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
JP14149575A
Other languages
Japanese (ja)
Other versions
JPS5545859B2 (en
Inventor
Isamu Ichishima
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 JP14149575A priority Critical patent/JPS5265494A/en
Publication of JPS5265494A publication Critical patent/JPS5265494A/en
Publication of JPS5545859B2 publication Critical patent/JPS5545859B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP14149575A 1975-11-26 1975-11-26 Method of detecting surface flaw of hot steel material Granted JPS5265494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14149575A JPS5265494A (en) 1975-11-26 1975-11-26 Method of detecting surface flaw of hot steel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14149575A JPS5265494A (en) 1975-11-26 1975-11-26 Method of detecting surface flaw of hot steel material

Publications (2)

Publication Number Publication Date
JPS5265494A true JPS5265494A (en) 1977-05-30
JPS5545859B2 JPS5545859B2 (en) 1980-11-20

Family

ID=15293249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14149575A Granted JPS5265494A (en) 1975-11-26 1975-11-26 Method of detecting surface flaw of hot steel material

Country Status (1)

Country Link
JP (1) JPS5265494A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124244A (en) * 1981-01-26 1982-08-03 Nippon Kokan Kk <Nkk> Detection for surface flaw of steel product
JPH01237441A (en) * 1987-11-17 1989-09-21 Hitachi Cable Ltd Method for detecting foreign matter on the surface of long body and for measuring size thereof
JPH02275345A (en) * 1989-04-15 1990-11-09 Matsushita Electric Works Ltd Surface detecting apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57124244A (en) * 1981-01-26 1982-08-03 Nippon Kokan Kk <Nkk> Detection for surface flaw of steel product
JPH0520695B2 (en) * 1981-01-26 1993-03-22 Nippon Kokan Kk
JPH01237441A (en) * 1987-11-17 1989-09-21 Hitachi Cable Ltd Method for detecting foreign matter on the surface of long body and for measuring size thereof
JPH02275345A (en) * 1989-04-15 1990-11-09 Matsushita Electric Works Ltd Surface detecting apparatus

Also Published As

Publication number Publication date
JPS5545859B2 (en) 1980-11-20

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