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Title:
ROLLED AUSTENITE STAINLESS STEEL PLATE HAVING THICHKESS OF 100 mm OR MORE AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/007572
Kind Code:
A1
Abstract:
A rolled austenite stainless steel plate having a thickness of 100 mm or more, characterized by comprising the following components (by mass%): C: 0.08% or less, N: 0.10 to 0.22% inclusive, C+N: 0.12% or more, Si: 0.01 to 2.0% inclusive, Mn: 0.1 to 2.0% inclusive, Cr: 15 to 27% inclusive, Ni: 8 to 20% inclusive, Mo: 4% or less, Co: 0.1% or less, Cu: 0.1 to 3% inclusive, Al: 0.001 to 0.10% inclusive, and Ca: 0.0005 to 0.01% inclusive, having a calculated δ-ferrite content (δcal [vol%]) of -7 to 4% inclusive, and having an elongation of 30% or more both in the widthwise and lengthwise directions as measured at an arbitrary position in the thicknesswise direction.

Inventors:
TADOKORO YUTAKA (JP)
TSUGE SHINJI (JP)
SUETSUGU KAZUHIRO (JP)
YAMAMOTO YOICHI (JP)
OHTSUBO TOSHINORI (JP)
Application Number:
PCT/JP2007/063186
Publication Date:
January 17, 2008
Filing Date:
June 25, 2007
Export Citation:
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Assignee:
NIPPON STEEL & SUMIKIN SST (JP)
TADOKORO YUTAKA (JP)
TSUGE SHINJI (JP)
SUETSUGU KAZUHIRO (JP)
YAMAMOTO YOICHI (JP)
OHTSUBO TOSHINORI (JP)
International Classes:
C22C38/00; B21B1/02; B21B1/38; B21B3/02; C21D8/02; C22C38/58
Foreign References:
JPH08269564A1996-10-15
JPH07316653A1995-12-05
JPS61270356A1986-11-29
JPS6013063A1985-01-23
JPS6152351A1986-03-15
JPH0257668A1990-02-27
JPH07316653A1995-12-05
JPH07310120A1995-11-28
JPH08104920A1996-04-23
JPH11131138A1999-05-18
Other References:
D.J. KOTECKI; T.A. SIEWERT, WELD. J., vol. 71, 1992, pages 171S
T.A. SIEWERT; C.N. MCCOWAN; D.L. OLSON, WELD. J., vol. 67, 1988, pages 289S
Attorney, Agent or Firm:
AOKI, Atsushi et al. (Toranomon 37 Mori Bldg. 5-1,Toranomon 3-chome, Minato-k, Tokyo 23, JP)
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