STEEL PIPE WITH FLARE, STEEL PIPE JOINT, STEEL PIPE PILE, AND MANUFACTURING METHOD FOR STEEL PIPE COLUMN AND STEEL PIPE WITH FLARE

申请公布号：JP2005351383(A)

申请号：JP20040172913

申请日期：2004.06.10

申请公布日期：2005.12.22

申请人：

NIPPON STEEL CORP

发明人：KONDO TETSUMI

分类号：E02D5/28;B21D19/04;B21D51/16;E04B1/58;F16L9/02;F16L17/00;F16L23/00;F16L23/024;F16L23/026;F16L23/028;(IPC1-7):F16L23/024

主分类号：E02D5/28

摘要：<p><P>PROBLEM TO BE SOLVED: To provide a steel pipe with flare having the flare having excellent rigidity, strength, and durability and large width being suitable for a steel pipe column of a steel pipe, a fluid transportation pipe, and a rotary press-fitting steel pipe pile. <P>SOLUTION: In this steel pipe with flare 1 being integral with a steel pipe base material 3 and provided with the collar-like flare 2 having plastic machining texture at one end or both ends, outside diameter of the steel pipe base material 3 is 60 to 400 mm, and width of the flare is 40 mm or more. Preferably, the maximum value of wall thickness of the flare 2 is 1.15 times or more wall thickness of the steel pipe base material 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p>

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