STEEL SHEET PLATED WITH ALUMINUM-CONTAINING ZINC AND PROCESS FOR PRODUCING SAME

Title:

STEEL SHEET PLATED WITH ALUMINUM-CONTAINING ZINC AND PROCESS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2014/132653

Kind Code:

A1

Abstract:

This steel sheet plated with aluminum-containing zinc comprises a plated steel sheet and a coating film with which the plated steel sheet is coated. The coating film comprises: a basic compound of a transition metal which is neither cobalt nor chromium; and either cobalt metal or both cobalt metal and a cobalt compound. The amount of the coating film deposited on each surface is 0.01-0.8 g/m2. The deposition amount in mass of the transition metals excluding cobalt in the coating film per surface of the plated steel sheet is 4-400 mg/m2. The deposition amount in mass of the cobalt in the coating film per surface of the plated steel sheet is 0.1-20 mg/m2.

Inventors:

SHIRAGAKI NOBUKI (JP)
SUGITANI TOMOKAZU (JP)
OYOKAWA HIROYUKI (JP)
YONETANI SATORU (JP)
KANAI HIROSHI (JP)
SHIMODA NOBUYUKI (JP)
OURA ICHIRO (JP)
KIKUCHI HITOSHI (JP)

Application Number:

PCT/JP2014/001067

Publication Date:

September 04, 2014

Filing Date:

February 27, 2014

Export Citation:

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Assignee:

NIPPON STEEL & SUMIKIN COATED (JP)
NIPPON STEEL & SUMITOMO METAL CORP (JP)
NIHON PARKERIZING (JP)

International Classes:

C23C28/00; C22C18/04; C22C21/10; C22C30/06; C23C2/06; C23C2/12; C23C22/66

Domestic Patent References:

WO2007123276A1

2007-11-01

Foreign References:

JP2009132952A	2009-06-18
JP2003201578A	2003-07-18
JPS5739314B2	1982-08-20
JP3992173B2	2007-10-17

Other References: