FERRITE STAINLESS STEEL SHEET

Title:

FERRITE STAINLESS STEEL SHEET

Document Type and Number:

WIPO Patent Application WO/2017/056471

Kind Code:

A1

Abstract:

Provided is a ferrite stainless steel sheet which has excellent corrosion resistance and which simultaneously achieves reduction in surface defects and improvement in toughness. The ferrite stainless steel sheet is characterized by: containing, in mass%, 0.020% or less of C, 0.05-0.40% of Si, 0.05-1.00% of Mn, 0.040% or less of P, 0.030% or less of S, 0.001-0.15% of Al, 20.0-23.0% of Cr, 0.01-0.80% of Ni, 0.30-0.80% of Cu, 0.10-0.50% of Ti, 0.010-0.150% of Nb, 0.005-0.150% of Zr, and 0.020% or less of N; satisfying formula (1); and the balance being Fe and incidental impurities. Zr ≤ Nb ≤ Ti (1) (note that, in formula (1), Zr, Nb, and Ti each mean the contained amount (mass%) of the respective component.)

Inventors:

NISHIDA SHUJI (JP)
ISHII TOMOHIRO (JP)
FUJISAWA MITSUYUKI (JP)
KAMI CHIKARA (JP)

Application Number:

PCT/JP2016/004336

Publication Date:

April 06, 2017

Filing Date:

September 26, 2016

Export Citation:

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Assignee:

JFE STEEL CORP (JP)

International Classes:

C22C38/00; C22C38/50; C22C38/60; C21D9/46

Foreign References:

JP2011246814A	2011-12-08
JP2010514924A	2010-05-06
JP2007270226A	2007-10-18
JP2001288544A	2001-10-19
CN103510013A	2014-01-15

Other References: