GB1115445A - Descaling solution - Google Patents

Descaling solution

Info

Publication number
GB1115445A
GB1115445A GB2582765A GB2582765A GB1115445A GB 1115445 A GB1115445 A GB 1115445A GB 2582765 A GB2582765 A GB 2582765A GB 2582765 A GB2582765 A GB 2582765A GB 1115445 A GB1115445 A GB 1115445A
Authority
GB
United Kingdom
Prior art keywords
descaling solution
solution
anhydrous
descaling
hno3
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.)
Expired
Application number
GB2582765A
Inventor
John Charles Clarke
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.)
FORESTAL IND U K Ltd
Original Assignee
FORESTAL IND U K Ltd
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 FORESTAL IND U K Ltd filed Critical FORESTAL IND U K Ltd
Priority to GB2582765A priority Critical patent/GB1115445A/en
Publication of GB1115445A publication Critical patent/GB1115445A/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
    • C23G1/086—Iron or steel solutions containing HF

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)
  • Detergent Compositions (AREA)

Abstract

An aqueous descaling solution, e.g. for austenitic stainless steel, comprises 3.6 to 11% by weight of anhydrous Fe2(SO4)3, 0.90 to 11.3% of anhydrous HF, and 0.0001 to 6.9% of Ti. HNO3 may also be added. The solution may be used at room temperature or 130 DEG F. - 190 DEG F.
GB2582765A 1965-06-18 1965-06-18 Descaling solution Expired GB1115445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2582765A GB1115445A (en) 1965-06-18 1965-06-18 Descaling solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2582765A GB1115445A (en) 1965-06-18 1965-06-18 Descaling solution

Publications (1)

Publication Number Publication Date
GB1115445A true GB1115445A (en) 1968-05-29

Family

ID=10233981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2582765A Expired GB1115445A (en) 1965-06-18 1965-06-18 Descaling solution

Country Status (1)

Country Link
GB (1) GB1115445A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395331A1 (en) * 1977-06-24 1979-01-19 Tokai Electro Chemical Co PROCESS FOR SETTING A STAINLESS STEEL PICKLING SOLUTION
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys
EP1460148A1 (en) * 2001-12-25 2004-09-22 Parker, Corporation METHOD OF SURFACE−FINISHING STAINLESS STEEL AFTER DESCALING

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395331A1 (en) * 1977-06-24 1979-01-19 Tokai Electro Chemical Co PROCESS FOR SETTING A STAINLESS STEEL PICKLING SOLUTION
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys
EP1460148A1 (en) * 2001-12-25 2004-09-22 Parker, Corporation METHOD OF SURFACE−FINISHING STAINLESS STEEL AFTER DESCALING
EP1460148A4 (en) * 2001-12-25 2005-03-09 Parker Corp Method of surface-finishing stainless steel after descaling

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