JPS52125387A - Surface flaw detecting method of hot steel materials - Google Patents

Surface flaw detecting method of hot steel materials

Info

Publication number
JPS52125387A
JPS52125387A JP4221676A JP4221676A JPS52125387A JP S52125387 A JPS52125387 A JP S52125387A JP 4221676 A JP4221676 A JP 4221676A JP 4221676 A JP4221676 A JP 4221676A JP S52125387 A JPS52125387 A JP S52125387A
Authority
JP
Japan
Prior art keywords
detecting method
steel materials
surface flaw
hot steel
flaw detecting
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
JP4221676A
Other languages
Japanese (ja)
Other versions
JPS5752983B2 (en
Inventor
Isamu Ichijima
Takao Sugimoto
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 JP4221676A priority Critical patent/JPS52125387A/en
Publication of JPS52125387A publication Critical patent/JPS52125387A/en
Publication of JPS5752983B2 publication Critical patent/JPS5752983B2/ja
Granted legal-status Critical Current

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE: To perform highly accurate detection by forming the measuring system with a photoelectric converting element, filter, etc. of a wavelength range at which the energy ratios radiated from normal part and defect part become large.
COPYRIGHT: (C)1977,JPO&Japio
JP4221676A 1976-04-13 1976-04-13 Surface flaw detecting method of hot steel materials Granted JPS52125387A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4221676A JPS52125387A (en) 1976-04-13 1976-04-13 Surface flaw detecting method of hot steel materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4221676A JPS52125387A (en) 1976-04-13 1976-04-13 Surface flaw detecting method of hot steel materials

Publications (2)

Publication Number Publication Date
JPS52125387A true JPS52125387A (en) 1977-10-21
JPS5752983B2 JPS5752983B2 (en) 1982-11-10

Family

ID=12629831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4221676A Granted JPS52125387A (en) 1976-04-13 1976-04-13 Surface flaw detecting method of hot steel materials

Country Status (1)

Country Link
JP (1) JPS52125387A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188750A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring superheater of recovery boiler
JPS63188748A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring char bed of recovery boiler
JPS63188749A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring char bed of recovery boiler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60184972U (en) * 1984-05-18 1985-12-07 ワイケイケイ株式会社 Window shoji installation adjustment device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188750A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring superheater of recovery boiler
JPS63188748A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring char bed of recovery boiler
JPS63188749A (en) * 1987-01-30 1988-08-04 Chino Corp Instrument for measuring char bed of recovery boiler

Also Published As

Publication number Publication date
JPS5752983B2 (en) 1982-11-10

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