JPS558440A - Production of surface treated steel plate - Google Patents

Production of surface treated steel plate

Info

Publication number
JPS558440A
JPS558440A JP8048178A JP8048178A JPS558440A JP S558440 A JPS558440 A JP S558440A JP 8048178 A JP8048178 A JP 8048178A JP 8048178 A JP8048178 A JP 8048178A JP S558440 A JPS558440 A JP S558440A
Authority
JP
Japan
Prior art keywords
steel plate
under
phosphorus compound
atmosphere
heating
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
JP8048178A
Other languages
Japanese (ja)
Other versions
JPS6032715B2 (en
Inventor
Hajime Hinoto
Yashichi Oyagi
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 JP53080481A priority Critical patent/JPS6032715B2/en
Publication of JPS558440A publication Critical patent/JPS558440A/en
Publication of JPS6032715B2 publication Critical patent/JPS6032715B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Physics & Mathematics (AREA)

Abstract

PURPOSE:To produce the surface treated plate which prevents seizure, galling, etc. which may be produced between working jig and blank at the cold rolling by coating phosphorus compound on the steel plate surfaces and heating the same to above the specified temperature in a non-oxidative atmosphere with dew point being made at 0 deg.C or under in order to keep the water contents in the annealing atmosphere low. CONSTITUTION:A phosphorus compound (e.g.; ammonium phosphate) is coated in aqueous solution form on steel plate surfaces so as to become 0.1 to 5.0mg/dm<2> as P, then the steel plate is heated in a non-oxidative atmosphere such as of N2, H2, etc. wherein atmosphere dew point is made 0 deg.C or under. Here, if the treatment is done by setting the heating temperature at 200 deg.C or higher and the heating time at a short time of 3 minutes or shorter and particularly 3 seconds or shorter. When the non-oxidative atmosphere contains H2, there is a need for suppressing the reduction of phosphorus compound as far as possible by making the partial pressure ratio of H2O/P at 1.0 or under and particularly 0.1 or under.
JP53080481A 1978-07-04 1978-07-04 Manufacturing method for surface-treated steel sheets Expired JPS6032715B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53080481A JPS6032715B2 (en) 1978-07-04 1978-07-04 Manufacturing method for surface-treated steel sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53080481A JPS6032715B2 (en) 1978-07-04 1978-07-04 Manufacturing method for surface-treated steel sheets

Publications (2)

Publication Number Publication Date
JPS558440A true JPS558440A (en) 1980-01-22
JPS6032715B2 JPS6032715B2 (en) 1985-07-30

Family

ID=13719457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53080481A Expired JPS6032715B2 (en) 1978-07-04 1978-07-04 Manufacturing method for surface-treated steel sheets

Country Status (1)

Country Link
JP (1) JPS6032715B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141337A (en) * 1983-12-28 1985-07-26 Mitsubishi Alum Co Ltd Production of fin for heat exchanger
JP2003193251A (en) * 2001-12-21 2003-07-09 Jfe Steel Kk Method of producing silicon steel sheet with insulating film having excellent appearance and adhesion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141337A (en) * 1983-12-28 1985-07-26 Mitsubishi Alum Co Ltd Production of fin for heat exchanger
JPH024379B2 (en) * 1983-12-28 1990-01-29 Mitsubishi Aluminium
JP2003193251A (en) * 2001-12-21 2003-07-09 Jfe Steel Kk Method of producing silicon steel sheet with insulating film having excellent appearance and adhesion

Also Published As

Publication number Publication date
JPS6032715B2 (en) 1985-07-30

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