COMPOSITION FOR SURFACE-TREATING HOT-DIP GALVANIZED TERNARY STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE AND ANTI-BLACKENING PROPERTY, HOT-DIP GALVANIZED TERNARY STEEL SHEET SURFACE-TREATED USING SAME, AND METHOD FOR PRODUCING SAME

Title:

Document Type and Number:

WIPO Patent Application WO/2023/101290

Kind Code:

A1

Abstract:

The present invention relates to: a composition for surface-treating hot-dip galvanized ternary steel sheets, which are used as metallic material and especially as building material, to improve corrosion resistance, anti-blackening property, and the like; hot-dip galvanized ternary steel sheets that have been surface-treated using the composition; and a method for producing the hot-dip galvanized ternary steel sheets.

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Inventors:

CHO SOO-HYOUN (KR)
CHOI CHANG-HOON (KR)
KIM TAE- CHUL (KR)
KIM SUNG-JOO (KR)

Application Number:

PCT/KR2022/018404

Publication Date:

June 08, 2023

Filing Date:

November 21, 2022

Export Citation:

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Assignee:

POSCO CO LTD (KR)

International Classes:

C23C22/33; C23C2/26; C23C22/82; C23C28/00

Domestic Patent References:

WO2000071773A1

2000-11-30

Foreign References:

KR20180135514A	2018-12-21
KR20110083744A	2011-07-20
KR20190054283A	2019-05-22
KR101786358B1	2017-10-18

Attorney, Agent or Firm:

C&S PATENT AND LAW OFFICE (KR)

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