GB418994A - Process of removing rust from and picking iron and steel - Google Patents

Process of removing rust from and picking iron and steel

Info

Publication number
GB418994A
GB418994A GB12911/33A GB1291133A GB418994A GB 418994 A GB418994 A GB 418994A GB 12911/33 A GB12911/33 A GB 12911/33A GB 1291133 A GB1291133 A GB 1291133A GB 418994 A GB418994 A GB 418994A
Authority
GB
United Kingdom
Prior art keywords
acid
purified
steel
iron
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.)
Expired
Application number
GB12911/33A
Other languages
English (en)
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.)
Vereinigte Stahlwerke AG
Original Assignee
Vereinigte Stahlwerke AG
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
Priority to DENDAT616862D priority Critical patent/DE616862C/de
Application filed by Vereinigte Stahlwerke AG filed Critical Vereinigte Stahlwerke AG
Priority to GB12911/33A priority patent/GB418994A/en
Priority to FR755107D priority patent/FR755107A/fr
Priority to BE396063D priority patent/BE396063A/xx
Publication of GB418994A publication Critical patent/GB418994A/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)
  • Detergent Compositions (AREA)
GB12911/33A 1932-05-03 1933-05-03 Process of removing rust from and picking iron and steel Expired GB418994A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DENDAT616862D DE616862C (fr) 1932-05-03
GB12911/33A GB418994A (en) 1932-05-03 1933-05-03 Process of removing rust from and picking iron and steel
FR755107D FR755107A (fr) 1932-05-03 1933-05-03 Procédé de dérouillage et de décapage du fer et de l'acier
BE396063D BE396063A (fr) 1932-05-03 1933-05-03

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE616862T 1932-05-03
GB12911/33A GB418994A (en) 1932-05-03 1933-05-03 Process of removing rust from and picking iron and steel

Publications (1)

Publication Number Publication Date
GB418994A true GB418994A (en) 1934-11-05

Family

ID=10013382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12911/33A Expired GB418994A (en) 1932-05-03 1933-05-03 Process of removing rust from and picking iron and steel

Country Status (4)

Country Link
BE (1) BE396063A (fr)
DE (1) DE616862C (fr)
FR (1) FR755107A (fr)
GB (1) GB418994A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662812A (en) * 1949-11-03 1953-12-15 Koppers Co Inc Regeneration of spent pickle liquor and recovery of ferrous sulfate monohydrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662812A (en) * 1949-11-03 1953-12-15 Koppers Co Inc Regeneration of spent pickle liquor and recovery of ferrous sulfate monohydrate

Also Published As

Publication number Publication date
FR755107A (fr) 1933-11-17
BE396063A (fr) 1933-06-30
DE616862C (fr)

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