FR671226A - Chemical process for the blackening of iron and steel - Google Patents

Chemical process for the blackening of iron and steel

Info

Publication number
FR671226A
FR671226A FR671226DA FR671226A FR 671226 A FR671226 A FR 671226A FR 671226D A FR671226D A FR 671226DA FR 671226 A FR671226 A FR 671226A
Authority
FR
France
Prior art keywords
blackening
iron
steel
chemical process
chemical
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
Other languages
French (fr)
Inventor
Luigi Taricco
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 filed Critical
Application granted granted Critical
Publication of FR671226A publication Critical patent/FR671226A/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
    • C23C22/05—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 using aqueous solutions
    • C23C22/60—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 using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/62—Treatment of iron or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR671226D 1929-03-11 1929-03-11 Chemical process for the blackening of iron and steel Expired FR671226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671226T 1929-03-11

Publications (1)

Publication Number Publication Date
FR671226A true FR671226A (en) 1929-12-10

Family

ID=9016847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671226D Expired FR671226A (en) 1929-03-11 1929-03-11 Chemical process for the blackening of iron and steel

Country Status (1)

Country Link
FR (1) FR671226A (en)

Similar Documents

Publication Publication Date Title
FR671226A (en) Chemical process for the blackening of iron and steel
FR845119A (en) Process for the surface treatment of iron and steel
FR681776A (en) Penetrating self-coating process for iron and steel
FR648235A (en) Refining process for iron and steel
FR677875A (en) Iron and steel manufacturing process
FR661862A (en) Process for electrochemically pickling iron and steel
FR664458A (en) Process of using cerium in the manufacture of steel and iron
FR625213A (en) Method and apparatus for the production of iron and steel
FR720576A (en) Process for the improvement of aluminogenic iron
FR718131A (en) Process for the cementation of iron, steel and their alloys
FR671554A (en) Process of using slag for the manufacture of cast iron and steel
FR718897A (en) Electrolytic treatment process to polish the surface of iron and steel
FR681599A (en) Process for the production of cast iron and copper steel
FR667217A (en) Process for annealing steel
FR669107A (en) Process for the regeneration of hydrochloric acid solutions used for iron pickling
FR629508A (en) Process for the manufacture of martin-siemens steel
FR37678E (en) Process for annealing steel
FR36667E (en) Process for annealing steel
FR658502A (en) Penetrating self-coating process for iron and steel
FR609138A (en) Process and furnace for the manufacture of cast iron and steel
FR728364A (en) Process for the production of corrosion resistant coatings on iron and steel
FR725883A (en) Steel and iron case-hardening process
FR637527A (en) Process for hardening iron and steel articles
FR731959A (en) Bronzing process for iron, cast iron and steel
FR571986A (en) Process for the enrichment of carbonated iron ores