JPS51147378A - Flaw detecting method of steel pieces - Google Patents

Flaw detecting method of steel pieces

Info

Publication number
JPS51147378A
JPS51147378A JP7166475A JP7166475A JPS51147378A JP S51147378 A JPS51147378 A JP S51147378A JP 7166475 A JP7166475 A JP 7166475A JP 7166475 A JP7166475 A JP 7166475A JP S51147378 A JPS51147378 A JP S51147378A
Authority
JP
Japan
Prior art keywords
detecting method
steel pieces
flaw detecting
flaw
pieces
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
JP7166475A
Other languages
Japanese (ja)
Inventor
Toyoji Maruyama
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 JP7166475A priority Critical patent/JPS51147378A/en
Publication of JPS51147378A publication Critical patent/JPS51147378A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: The inspected surface uniformly heats up to examine the color tone of the surface, allowing even the easy detecting of small flaws.
COPYRIGHT: (C)1976,JPO&Japio
JP7166475A 1975-06-13 1975-06-13 Flaw detecting method of steel pieces Pending JPS51147378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7166475A JPS51147378A (en) 1975-06-13 1975-06-13 Flaw detecting method of steel pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7166475A JPS51147378A (en) 1975-06-13 1975-06-13 Flaw detecting method of steel pieces

Publications (1)

Publication Number Publication Date
JPS51147378A true JPS51147378A (en) 1976-12-17

Family

ID=13467086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7166475A Pending JPS51147378A (en) 1975-06-13 1975-06-13 Flaw detecting method of steel pieces

Country Status (1)

Country Link
JP (1) JPS51147378A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145220U (en) * 1978-03-29 1979-10-08
JPS61502012A (en) * 1984-04-24 1986-09-11 ソマフエ−ル Method for detecting and recording defects in hot semi-finished steel products
JP2006090801A (en) * 2004-09-22 2006-04-06 Hitachi Metals Ltd Device and method for inspecting inspected object

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4883884A (en) * 1972-02-05 1973-11-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4883884A (en) * 1972-02-05 1973-11-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145220U (en) * 1978-03-29 1979-10-08
JPS61502012A (en) * 1984-04-24 1986-09-11 ソマフエ−ル Method for detecting and recording defects in hot semi-finished steel products
JP2006090801A (en) * 2004-09-22 2006-04-06 Hitachi Metals Ltd Device and method for inspecting inspected object

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