IT1032203B - Procedimento per cromare la superfi cie interna di una tubo di metallo ferroso in particolare acciato - Google Patents

Procedimento per cromare la superfi cie interna di una tubo di metallo ferroso in particolare acciato

Info

Publication number
IT1032203B
IT1032203B IT4761375A IT4761375A IT1032203B IT 1032203 B IT1032203 B IT 1032203B IT 4761375 A IT4761375 A IT 4761375A IT 4761375 A IT4761375 A IT 4761375A IT 1032203 B IT1032203 B IT 1032203B
Authority
IT
Italy
Prior art keywords
chromating
procedure
internal surface
metal pipe
ferrous metal
Prior art date
Application number
IT4761375A
Other languages
English (en)
Original Assignee
Cockerill
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 Cockerill filed Critical Cockerill
Application granted granted Critical
Publication of IT1032203B publication Critical patent/IT1032203B/it

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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/04—Diffusion into selected surface areas, e.g. using masks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
IT4761375A 1974-02-05 1975-01-01 Procedimento per cromare la superfi cie interna di una tubo di metallo ferroso in particolare acciato IT1032203B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE6044452A BE810647A (fr) 1974-02-05 1974-02-05 Procede de chromisation de la face interne d'un tube en metal ferreux et specialement en acier.

Publications (1)

Publication Number Publication Date
IT1032203B true IT1032203B (it) 1979-05-30

Family

ID=3874556

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4761375A IT1032203B (it) 1974-02-05 1975-01-01 Procedimento per cromare la superfi cie interna di una tubo di metallo ferroso in particolare acciato

Country Status (5)

Country Link
BE (1) BE810647A (it)
DE (1) DE2500632A1 (it)
IT (1) IT1032203B (it)
LU (1) LU71586A1 (it)
NL (1) NL7500012A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3033074A1 (de) * 1979-09-07 1981-04-02 Alloy Surfaces Co., Inc., Wilmington, Del. Verfahren zur diffusionsbeschichtung der innenflaeche von hohlraeumen
US5873951A (en) * 1996-08-23 1999-02-23 Alon, Inc. Diffusion coated ethylene furnace tubes
FR2765594B1 (fr) * 1997-07-04 1999-08-27 Inst Francais Du Petrole Acier refractaire chromise, son procede d'obtention et ses utilisations dans des applications anti-cokage

Also Published As

Publication number Publication date
LU71586A1 (it) 1975-06-17
NL7500012A (nl) 1975-08-07
BE810647A (fr) 1974-05-29
DE2500632A1 (de) 1975-08-14

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