ACID-RESISTANT STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Title:

ACID-RESISTANT STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2020/111734

Kind Code:

A3

Abstract:

An acid-resistant steel sheet according to one embodiment of the present invention comprises, by wt%, 0.1% or less of C (excluding 0%), 2.0-4.0% of Si, and the balance of Fe and inevitable impurities, wherein the Si amount of a surface part from the surface of the steel sheet to an inward depth of 10 μm is 15 wt% or more.

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Inventors:

JO MIN HO (KR)
LEE BYOUNG HO (KR)
HONG YOUNG-KWANG (KR)

Application Number:

PCT/KR2019/016378

Publication Date:

August 20, 2020

Filing Date:

November 26, 2019

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

C21D8/02; C22C38/02; C22C38/00; C22C38/04; C22C38/06

Foreign References:

JP2013256713A	2013-12-26
JP2003328099A	2003-11-19
KR970007035B1	1997-05-02
JP2008121045A	2008-05-29
JP2010089127A	2010-04-22

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

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