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JPS5735686A - Method for pickling of austenite stainless steel plate - Google Patents

Method for pickling of austenite stainless steel plate

Info

Publication number
JPS5735686A
JPS5735686A JP10848680A JP10848680A JPS5735686A JP S5735686 A JPS5735686 A JP S5735686A JP 10848680 A JP10848680 A JP 10848680A JP 10848680 A JP10848680 A JP 10848680A JP S5735686 A JPS5735686 A JP S5735686A
Authority
JP
Japan
Prior art keywords
steel plate
solns
ferric sulfate
pickling
stainless steel
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
JP10848680A
Other languages
Japanese (ja)
Other versions
JPS5920752B2 (en
Inventor
Yutaka Oka
Masayuki Hino
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP10848680A priority Critical patent/JPS5920752B2/en
Publication of JPS5735686A publication Critical patent/JPS5735686A/en
Publication of JPS5920752B2 publication Critical patent/JPS5920752B2/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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/081—Iron or steel solutions containing H2SO4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

PURPOSE:To obtain a cold rolled steel plate of good surface quality by maintaining the surface of a preliminarily descaled austenite stainless steel plate at specific temps., and immersing the same in aqueous mixed solns. of ferric sulfate and a sulfuric acid within a specific concn. range. CONSTITUTION:The surface temp. of the mechanically preliminarily descaled austenite stainless steel plate is heated to 100-500 deg.C. This heated up steel plate is immersed in ferric sulfate alone or aqueous mixed solns. of ferric sulfate and a sulfuric acid. At this time, the aqueous solns. of which the composition ratios are within the range connecting the 4 points, P1(0, 32.5), P2(22.5, 15), P3(22.5, 2.5), P4(0, 2.5) successively with straight lines in the coordinates taking the concn. of the sulfuric acid at an (x) axis and the concn. of the ferric sulfate at a (y) axis are used. Thereby, the composition range of the pickling solns. are widened, pickling time is shortened and the degree of brightness is improved.
JP10848680A 1980-08-07 1980-08-07 Pickling method for austenitic stainless steel sheet Expired JPS5920752B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10848680A JPS5920752B2 (en) 1980-08-07 1980-08-07 Pickling method for austenitic stainless steel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10848680A JPS5920752B2 (en) 1980-08-07 1980-08-07 Pickling method for austenitic stainless steel sheet

Publications (2)

Publication Number Publication Date
JPS5735686A true JPS5735686A (en) 1982-02-26
JPS5920752B2 JPS5920752B2 (en) 1984-05-15

Family

ID=14485974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10848680A Expired JPS5920752B2 (en) 1980-08-07 1980-08-07 Pickling method for austenitic stainless steel sheet

Country Status (1)

Country Link
JP (1) JPS5920752B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633946A1 (en) * 1987-01-19 1990-01-12 Borsodi Vegyi Komb PROCESS FOR REMOVING THE OXIDE LAYER AND CALAMINE FROM METALS AND METAL ALLOYS, PARTICULARLY ALLOY STEELS, HIGHLY ALLOY STEELS AND CARBON STEELS, IN A pickling bath containing iron ions III AS ACTIVE SUBSTANCE
EP0582121A1 (en) * 1992-08-06 1994-02-09 Itb S.R.L. Process for stainless steel pickling and passivation without using nitric acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633946A1 (en) * 1987-01-19 1990-01-12 Borsodi Vegyi Komb PROCESS FOR REMOVING THE OXIDE LAYER AND CALAMINE FROM METALS AND METAL ALLOYS, PARTICULARLY ALLOY STEELS, HIGHLY ALLOY STEELS AND CARBON STEELS, IN A pickling bath containing iron ions III AS ACTIVE SUBSTANCE
EP0582121A1 (en) * 1992-08-06 1994-02-09 Itb S.R.L. Process for stainless steel pickling and passivation without using nitric acid
US5908511A (en) * 1992-08-06 1999-06-01 Itb S.R.L. Process for stainless steel pickling and passivation without using nitric acid

Also Published As

Publication number Publication date
JPS5920752B2 (en) 1984-05-15

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