SURFACE TREATED STEEL SHEET FOR FUEL TANK - NIPPON STEEL & SUMITOMO METAL CORP

Title:

SURFACE TREATED STEEL SHEET FOR FUEL TANK

Document Type and Number:

Japanese Patent JP2017160499

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a new surface treated steel sheet for fuel tanks, excellent in resistant weldability, workability, coatability, corrosion resistance and gasoline resistance to a conventional rustproof steel sheet for fuel tanks and manufactured at a low cost by a general-purpose facility (a plating step+one layer coating).SOLUTION: A chromate free surface treated steel sheet for fuel tanks includes a film forming component consisting of an organic resin (A) and a specific organic silicon compound (B) on at least one surface of a Zn-Ni alloy plated steel sheet; and a coating film (α) including a phosphoric acid compound (C) and a Ti compound (D). The coating weight of the plated layer is 2- 50 g/m; a solid content mass ratio of the organic silicon compound (B) to the organic resin (A) of 1 is 0.1-0.6; and the coating weight of the coating film (α) is 0.2-1.5 g/m.SELECTED DRAWING: None

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Inventors:

MORISHITA ATSUSHI
FUDA MASAHIRO
SHOJI HIROMASA
ISHIZUKA KIYOKAZU

Application Number:

JP2016047181A

Publication Date:

September 14, 2017

Filing Date:

March 10, 2016

Export Citation:

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