Title:
クラッドパイプおよびチューブを製造するための複合ビレットおよびその製造方法
Document Type and Number:
Japanese Patent JP2005506200
Kind Code:
A
Abstract:
A method of forming clad piping or tubing includes the steps of providing a support billet, finished to a desired, predetermined dimension, having a cladding surface, and providing a CRA cladding material billet, similarly finished to a desired, predetermined dimension. The dimension of the CRA cladding material billet is predetermined such that the CRA cladding material fits onto a cladding surface of the support billet establishing an interface gap. Sealing the interface gap, evacuating the interface gap to form an assembly and Hot Iso-statically Pressing the assembly to metallurgically bond the CRA cladding material billet to the support billet to form a composite billet. The composite billet is extruded at high temperature to form the clad piping or tubing. The clad piping or tubing formed in also disclosed.
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Inventors:
Chakravarti, Bhaven
Application Number:
JP2003535978A
Publication Date:
March 03, 2005
Filing Date:
October 01, 2002
Export Citation:
Assignee:
Chakravalti Management, LRC
International Classes:
B21C37/06; B21C23/00; B21C23/08; B21C23/22; B21C37/15; B22D13/02; B23K20/00; B23K20/14; B21B15/00; B23K101/06; B23K103/04; B23K103/08; B23K103/18; (IPC1-7): B23K20/00; B21C23/00; B21C23/22; B21C37/06; B22D13/02; B23K20/14
Attorney, Agent or Firm:
Takahisa Kimura