JPS56105470A - Production of steel material having excellent resistance against steam oxidation - Google Patents

Production of steel material having excellent resistance against steam oxidation

Info

Publication number
JPS56105470A
JPS56105470A JP758680A JP758680A JPS56105470A JP S56105470 A JPS56105470 A JP S56105470A JP 758680 A JP758680 A JP 758680A JP 758680 A JP758680 A JP 758680A JP S56105470 A JPS56105470 A JP S56105470A
Authority
JP
Japan
Prior art keywords
steam oxidation
steel material
layer
steel
against steam
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.)
Pending
Application number
JP758680A
Other languages
Japanese (ja)
Inventor
Hisao Fujikawa
Hirofumi Makiura
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP758680A priority Critical patent/JPS56105470A/en
Publication of JPS56105470A publication Critical patent/JPS56105470A/en
Pending 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/02—Pretreatment of the material to be coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To provide steel pipes for use as boiler tubes having excellent resistance to steam oxidation by a method wherein a decarburized layer is formed on the surface layer of a steel material and is subjected to chromizing treatment at a specific temperature. CONSTITUTION:A low-alloy steel such as carbon steel having less than 12% of Cr content is decarburized to form on the surface a decarburized layer more than 10mu thick. It is preferable to reduce carbon content in the decarburized layer to 0.01% or less. Then, chromizing treatment is applied at a low temperature of 800-900 deg.C to provide a chromized alloy layer having enough thickness against steam oxidation. The process provides a steel material having excellent high-temperature strength and weldability as well as resistance against steam oxidation.
JP758680A 1980-01-24 1980-01-24 Production of steel material having excellent resistance against steam oxidation Pending JPS56105470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP758680A JPS56105470A (en) 1980-01-24 1980-01-24 Production of steel material having excellent resistance against steam oxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP758680A JPS56105470A (en) 1980-01-24 1980-01-24 Production of steel material having excellent resistance against steam oxidation

Publications (1)

Publication Number Publication Date
JPS56105470A true JPS56105470A (en) 1981-08-21

Family

ID=11669907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP758680A Pending JPS56105470A (en) 1980-01-24 1980-01-24 Production of steel material having excellent resistance against steam oxidation

Country Status (1)

Country Link
JP (1) JPS56105470A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1524333A1 (en) * 2003-09-19 2005-04-20 Deere & Company Process for applying a coating
JP2013185220A (en) * 2012-03-08 2013-09-19 Tokyo Electric Power Co Inc:The Piping for steam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1524333A1 (en) * 2003-09-19 2005-04-20 Deere & Company Process for applying a coating
JP2013185220A (en) * 2012-03-08 2013-09-19 Tokyo Electric Power Co Inc:The Piping for steam

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