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Title:
STEEL PIPE SHEET PILE AND STEEL PIPE SHEET PILE WALL
Document Type and Number:
Japanese Patent JP2010144207
Kind Code:
A
Abstract:

To provide a steel pipe sheet pile and a steel pipe sheet pile wall having sufficient corrosion resistance.

The steel pipe sheet pile is composed of: a steel pipe part; and joint parts provided at the side faces in the longitudinal direction of the steel pipe part, wherein at least a part of the outer face of the steel pipe part is coated with a corrosion prevention treated steel prescribed by the following (i), and also, at least a part of the joint parts is substituted with corrosion prevention joint parts composed of a corrosion prevention treated steel prescribed in the following (ii): (i) the corrosion prevention treated steel has a corrosion prevention film layer on the surface of a steel having a chemical composition containing, by mass, C, Si, Mn, P, S, Cu, Ni, Cr, Al, N and Sn, and the balance Fe with impurities, wherein a Cu/Sn ratio is ≤1; and (ii) the corrosion prevention treated steel has the corrosion prevention film layer on the surface of a steel having a chemical composition containing, by mass, C, Si, Mn, P, S, Cu, Ni, Cr, Al, N and Sn, and the balance Fe with impurities, wherein a Cu/Sn ratio is ≤1.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
KAMIMURA TAKAYUKI
YUKI HIDEAKI
KAJIMA KAZUYUKI
KOBAYASHI YOICHI
KANO YUTAKA
Application Number:
JP2008321799A
Publication Date:
July 01, 2010
Filing Date:
December 18, 2008
Export Citation:
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Assignee:
SUMITOMO METAL IND
International Classes:
C22C38/00; C22C38/58; E02B3/06; E02D5/04; E02D31/06
Domestic Patent References:
JP2010007108A2010-01-14
JP2008163374A2008-07-17
JP2004211379A2004-07-29
Attorney, Agent or Firm:
Mikiji Sugioka
Terutada Hogami
Chihara