FERRITE-AUSTENITE 2-PHASE STAINLESS STEEL PLATE HAVING LOW IN-PLANE ANISOTROPY AND METHOD FOR PRODUCING SAME

Title:

FERRITE-AUSTENITE 2-PHASE STAINLESS STEEL PLATE HAVING LOW IN-PLANE ANISOTROPY AND METHOD FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2013/133259

Kind Code:

A1

Abstract:

This ferrite austenite 2-phase stainless steel plate comprises, by mass%, C: 0.001-0.10%, Si: 0.01-1.0%, Mn: 2-10%, P < 0.05%, Ni: 0.1-3.0%, Cr: 15.0-30.0%, and N: 0.05-0.30%, with the remainder being Fe and inevitable impurities. The austenite phase percentage is 40-90% by surface area percentage, the maximum strength of the crystal orientation of the ferrite phase is 10 or less, and the hardness ratio of the austenite phase to the ferrite phase is 1.1 or greater.

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Inventors:

HAMADA JUNICHI (JP)
ISHIMARU EIICHIRO (JP)

Application Number:

PCT/JP2013/055945

Publication Date:

September 12, 2013

Filing Date:

March 05, 2013

Export Citation:

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Assignee:

NIPPON STEEL & SUMIKIN SST (JP)

International Classes:

C22C38/00; C21D9/46; C22C38/58

Foreign References:

JP2009035782A	2009-02-19
JP2009197326A	2009-09-03
JP2010121162A	2010-06-03
JP2011184792A	2011-09-22
JP2011208244A	2011-10-20

Attorney, Agent or Firm:

SHIGA Masatake et al. (JP)
Masatake Shiga (JP)

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Claims:

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