JPS5573874A - Composite-film-coated steel material excellent in corrosion resistance - Google Patents

Composite-film-coated steel material excellent in corrosion resistance

Info

Publication number
JPS5573874A
JPS5573874A JP14443978A JP14443978A JPS5573874A JP S5573874 A JPS5573874 A JP S5573874A JP 14443978 A JP14443978 A JP 14443978A JP 14443978 A JP14443978 A JP 14443978A JP S5573874 A JPS5573874 A JP S5573874A
Authority
JP
Japan
Prior art keywords
layer
steel material
composite
film
corrosion resistance
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
JP14443978A
Other languages
Japanese (ja)
Inventor
Teruo Ikeno
Satoshi Kado
Saburo Ayusawa
Hironobu Kawasaki
Takashi Watanabe
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP14443978A priority Critical patent/JPS5573874A/en
Priority to US06/044,485 priority patent/US4298661A/en
Priority to SE7904834A priority patent/SE440089B/en
Priority to IT23247/79A priority patent/IT1121771B/en
Priority to CA000328998A priority patent/CA1169806A/en
Priority to BR7903500A priority patent/BR7903500A/en
Priority to FR7914343A priority patent/FR2428083A1/en
Priority to DE2922790A priority patent/DE2922790C2/en
Priority to NL7904415A priority patent/NL7904415A/en
Priority to GB7919532A priority patent/GB2027746B/en
Publication of JPS5573874A publication Critical patent/JPS5573874A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electroplating Methods And Accessories (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

PURPOSE: To provide a composite-film-coated steel material which is excellent in corrosion resistance and which forms no blister due to corrosive environment, by forming on the surface of the steel material an under Mn-plated layer, an intermediate layer of compounds of one or more members slected from the group comprising P, B, Si etc., and an upper surface layer of a coating medium film.
CONSTITUTION: On the surface of a steel material is formed a layer of dense corrosive material composed of 5W400g/m2 Mn-plated layer. On the above described layer is pref. formed a layer of Mn oxide hydrate 5W2,000Å in thickness, both the layers forming an under layer. On the under layer is formed an intermediate layer composed of one or more single or composite cpds. of one or more metals selected from the group comprising P, B, Si, Cu, Mn, Cr etc. in a ratio 0.02W 10g/m2. The intermediate layer can be improved in adhesive property to an upper layer by the addn. of org. resin such as a rosin derivative etc. On the intermediate layer is formed an upper layer, i.e., a surface layer, of a mixt. of boiled oil etc. with pigments, plasticizers, pref. 0.2W500μ in thickness, thereby manufacturing the desired steel material coated with a composite film.
COPYRIGHT: (C)1980,JPO&Japio
JP14443978A 1978-06-05 1978-11-22 Composite-film-coated steel material excellent in corrosion resistance Pending JPS5573874A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP14443978A JPS5573874A (en) 1978-11-22 1978-11-22 Composite-film-coated steel material excellent in corrosion resistance
US06/044,485 US4298661A (en) 1978-06-05 1979-06-01 Surface treated steel materials
SE7904834A SE440089B (en) 1978-06-05 1979-06-01 COATED STABLE MATERIAL AND SET FOR ITS MANUFACTURING
IT23247/79A IT1121771B (en) 1978-06-05 1979-06-04 SURFACE TREATED STEEL MATERIAL, EXCELLENTLY CORROSION RESISTANT, WORKABLE AND WELDABLE
CA000328998A CA1169806A (en) 1978-06-05 1979-06-04 Surface treated steel materials
BR7903500A BR7903500A (en) 1978-06-05 1979-06-04 STEEL MATERIAL TREATED ON THE SURFACE WELL AS A PROCESS AND APPARATUS FOR YOUR PRODUCTION
FR7914343A FR2428083A1 (en) 1978-06-05 1979-06-05 SURFACE TREATED STEEL MATERIALS HAVING A MANGANESE COVER AND AN OXYHYDRATE MANGANESE COMPOUND FORMED THEREON
DE2922790A DE2922790C2 (en) 1978-06-05 1979-06-05 Steel coated with manganese and process for its manufacture
NL7904415A NL7904415A (en) 1978-06-05 1979-06-05 METHOD AND DEVICE FOR THE SURFACE TREATMENT OF STEEL AS WELL AS STEEL PRODUCTS OBTAINED AS SUCH.
GB7919532A GB2027746B (en) 1978-06-05 1979-06-05 Surface treated steel materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14443978A JPS5573874A (en) 1978-11-22 1978-11-22 Composite-film-coated steel material excellent in corrosion resistance

Publications (1)

Publication Number Publication Date
JPS5573874A true JPS5573874A (en) 1980-06-03

Family

ID=15362229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14443978A Pending JPS5573874A (en) 1978-06-05 1978-11-22 Composite-film-coated steel material excellent in corrosion resistance

Country Status (1)

Country Link
JP (1) JPS5573874A (en)

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