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
YUKI HIDEAKI
KAJIMA KAZUYUKI
KOBAYASHI YOICHI
KANO YUTAKA
JP2010007108A | 2010-01-14 | |||
JP2008163374A | 2008-07-17 | |||
JP2004211379A | 2004-07-29 |
Terutada Hogami
Chihara
Next Patent: METHOD FOR PRODUCING OXIDE-COATED COPPER PARTICULATE