FERRITIC STAINLESS STEEL WITH IMPROVED ORANGE PEEL RESISTANCE AND FORMABILITY

Title:

FERRITIC STAINLESS STEEL WITH IMPROVED ORANGE PEEL RESISTANCE AND FORMABILITY

Document Type and Number:

WIPO Patent Application WO/2019/132190

Kind Code:

A1

Abstract:

Disclosed is ferritic stainless steel with improved orange peel resistance and formability. Ferritic stainless steel according to one embodiment of the present invention comprises, in weight percentage: 0.015-0.040% of C; 0.015-0.040% of N; 0.01-0.40% of Si; 0.01-0.30% of Mn; 0.005-0.020% of P; 0.0001-0.010% of S; 15-22% of Cr; 0.05-0.35% of Ti; 0.05-0.35% of Nb; 0.005-0.05% of Al; and the balance being Fe and other unavoidable impurities, in which the ferritic grain size (FGS) is 8.5 or more, and the <111> orientation index of the inverse pole figure (IPF {111}) of a rolled surface is 5.0 or more.

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Inventors:

LEE KYE-MAN (KR)
PARK JAE-SEOK (KR)
PARK MI-NAM (KR)

Application Number:

PCT/KR2018/011765

Publication Date:

July 04, 2019

Filing Date:

October 05, 2018

Export Citation:

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Assignee:

POSCO (KR)

International Classes:

C22C38/28; C22C38/00; C22C38/02; C22C38/04; C22C38/06; C22C38/26

Foreign References:

KR20100020446A	2010-02-22
KR20080079178A	2008-08-29
JP2003073782A	2003-03-12
KR20010043930A	2001-05-25
JP2017186665A	2017-10-12
JP2000144342A	2000-05-26

Attorney, Agent or Firm:

SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)

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