JPS55110781A - Surface treated steel plate with good spot weldability - Google Patents

Surface treated steel plate with good spot weldability

Info

Publication number
JPS55110781A
JPS55110781A JP1693179A JP1693179A JPS55110781A JP S55110781 A JPS55110781 A JP S55110781A JP 1693179 A JP1693179 A JP 1693179A JP 1693179 A JP1693179 A JP 1693179A JP S55110781 A JPS55110781 A JP S55110781A
Authority
JP
Japan
Prior art keywords
steel plate
spot weldability
surface treated
treated steel
good spot
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
JP1693179A
Other languages
Japanese (ja)
Inventor
Atsuyoshi Shibuya
Mikio Kurimoto
Nobuyuki Yamauchi
Takao Ko
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 JP1693179A priority Critical patent/JPS55110781A/en
Publication of JPS55110781A publication Critical patent/JPS55110781A/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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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
    • C23C22/78—Pretreatment of the material to be coated

Abstract

PURPOSE:To enhance spot weldability of a steel plate by coating a Zn-Ni alloy plating layer with high corrosion resistance formed on a steel plate by a specific amount of phosphate film. CONSTITUTION:Zn-Ni alloy containing 9-20% of Ni is plated on a surface of a steel plate to obtain a coated steel plate with highly excellent corrosion resistance. Moreover, if 0.1-3.0g/m<2> of phosphate film is formed on a surface of this steel plate by a spraying method, an immersing method or the like, because electric resistance is enhanced in case of contacting a steel plate with a welding tip, electric current concentration and head generating amount in a contact point of a welding tip can be increased and spot weldability is improved.
JP1693179A 1979-02-15 1979-02-15 Surface treated steel plate with good spot weldability Pending JPS55110781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1693179A JPS55110781A (en) 1979-02-15 1979-02-15 Surface treated steel plate with good spot weldability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1693179A JPS55110781A (en) 1979-02-15 1979-02-15 Surface treated steel plate with good spot weldability

Publications (1)

Publication Number Publication Date
JPS55110781A true JPS55110781A (en) 1980-08-26

Family

ID=11929861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1693179A Pending JPS55110781A (en) 1979-02-15 1979-02-15 Surface treated steel plate with good spot weldability

Country Status (1)

Country Link
JP (1) JPS55110781A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184381A (en) * 1984-10-02 1986-04-28 Nippon Steel Corp Composite plated steel sheet having superior durability
JPS6462285A (en) * 1987-08-31 1989-03-08 Nippon Steel Corp Galvanized steel sheet excellent in spot weldability and its welding method
US4957594A (en) * 1988-02-19 1990-09-18 Nippon Steel Corporation Process for producing a zinc or zinc alloy coated steel sheet having excellent spot weldability
JPH05202485A (en) * 1991-11-25 1993-08-10 Sumitomo Metal Ind Ltd Galvanized steel sheet and its manufacture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184381A (en) * 1984-10-02 1986-04-28 Nippon Steel Corp Composite plated steel sheet having superior durability
JPS634916B2 (en) * 1984-10-02 1988-02-01 Nippon Steel Corp
JPS6462285A (en) * 1987-08-31 1989-03-08 Nippon Steel Corp Galvanized steel sheet excellent in spot weldability and its welding method
US4957594A (en) * 1988-02-19 1990-09-18 Nippon Steel Corporation Process for producing a zinc or zinc alloy coated steel sheet having excellent spot weldability
JPH05202485A (en) * 1991-11-25 1993-08-10 Sumitomo Metal Ind Ltd Galvanized steel sheet and its manufacture

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