Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof

Details for Australian Patent Application No. 2005209562 (hide)

Owner Sumitomo Metal Industries, Ltd.

Inventors Omura, Tomohiko; Nakamura, Keiichi; Arai, Yuji

Agent FB Rice

Pub. Number AU-B-2005209562

PCT Pub. Number WO2005/073421

Priority 2004-023470 30.01.04 JP

Filing date 28 January 2005

Wipo publication date 11 August 2005

Acceptance publication date 25 September 2008

International Classifications

C22C 38/00 (2006.01) Ferrous alloys, e.g. steel alloys

C21D 8/10 (2006.01) Modifying the physical properties by deformation combined with, or followed by, heat treatment - during manufacturing of tubular bodies

C21D 9/08 (2006.01) Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for tubular bodies or pipes

C22C 38/32 (2006.01) Ferrous alloys, e.g. steel alloys - with boron

Event Publications

7 September 2006 PCT application entered the National Phase

  PCT publication WO2005/073421 Priority application(s): WO2005/073421

25 September 2008 Application Accepted

  Published as AU-B-2005209562

22 January 2009 Standard Patent Sealed

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