JPS5623265A - Hot dip aluminized steel excellent in corrosion - Google Patents

Hot dip aluminized steel excellent in corrosion

Info

Publication number
JPS5623265A
JPS5623265A JP9739079A JP9739079A JPS5623265A JP S5623265 A JPS5623265 A JP S5623265A JP 9739079 A JP9739079 A JP 9739079A JP 9739079 A JP9739079 A JP 9739079A JP S5623265 A JPS5623265 A JP S5623265A
Authority
JP
Japan
Prior art keywords
corrosion resistance
hot dip
layer
aluminized
corrosion
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.)
Granted
Application number
JP9739079A
Other languages
Japanese (ja)
Other versions
JPS6323264B2 (en
Inventor
Yusuke Hirose
Takehiko Ito
Toshiharu Kikko
Hideo Minafuji
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel Co 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP9739079A priority Critical patent/JPS5623265A/en
Publication of JPS5623265A publication Critical patent/JPS5623265A/en
Publication of JPS6323264B2 publication Critical patent/JPS6323264B2/ja
Granted 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon

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)

Abstract

PURPOSE:Hot dip aluminum steel, remarkably improved in corrosion resistance than usual and characterized by having Al layer containing a specific quantity of Mn, Si, etc. in at least a part of the aluminized. CONSTITUTION:Hot dip aluiminized steel having an excellent corrosion resistance and being characterized by having Al layer composed of 0.5-4% Mn, <=3% Si by wt% and the remainder as Al and innevitable impurities in at least a part of the aluminized layer. It is found that deterioration of corrosion resistance of an aluminized layer is caused by needle-shaped metallic compound expressed by Al3Fe, and that said Al3Fe is converted into Al-Mn-Fe group compound not reducing the corrosion resistance by adding Mn in an aluminizing bath and preparing the composition of the aluminized layer to said composition. Also, the shape is changed from needlelike to granular and formation of pitting is prevented.
JP9739079A 1979-08-01 1979-08-01 Hot dip aluminized steel excellent in corrosion Granted JPS5623265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9739079A JPS5623265A (en) 1979-08-01 1979-08-01 Hot dip aluminized steel excellent in corrosion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9739079A JPS5623265A (en) 1979-08-01 1979-08-01 Hot dip aluminized steel excellent in corrosion

Publications (2)

Publication Number Publication Date
JPS5623265A true JPS5623265A (en) 1981-03-05
JPS6323264B2 JPS6323264B2 (en) 1988-05-16

Family

ID=14191181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9739079A Granted JPS5623265A (en) 1979-08-01 1979-08-01 Hot dip aluminized steel excellent in corrosion

Country Status (1)

Country Link
JP (1) JPS5623265A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789089A (en) * 1995-05-18 1998-08-04 Nippon Steel Corporation Hot-dipped aluminum coated steel sheet having excellent corrosion resistance and heat resistance, and production method thereof
JP2008202137A (en) * 2007-02-22 2008-09-04 Nippon Steel Corp Method for manufacturing hot-dip aluminum-plated steel sheet
EP4092141A1 (en) * 2021-05-21 2022-11-23 ThyssenKrupp Steel Europe AG Flat steel product with an al coating, method for producing the same, steel component and method for producing the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245987U (en) * 1988-09-26 1990-03-29

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5789089A (en) * 1995-05-18 1998-08-04 Nippon Steel Corporation Hot-dipped aluminum coated steel sheet having excellent corrosion resistance and heat resistance, and production method thereof
JP2008202137A (en) * 2007-02-22 2008-09-04 Nippon Steel Corp Method for manufacturing hot-dip aluminum-plated steel sheet
EP4092141A1 (en) * 2021-05-21 2022-11-23 ThyssenKrupp Steel Europe AG Flat steel product with an al coating, method for producing the same, steel component and method for producing the same
WO2022243397A1 (en) * 2021-05-21 2022-11-24 Thyssenkrupp Steel Europe Ag Flat steel product having an al-coating, process for production thereof, steel component and process for production thereof

Also Published As

Publication number Publication date
JPS6323264B2 (en) 1988-05-16

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