High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well

Details for Australian Patent Application No. 2011246246 (hide)

Owner Sumitomo Metal Industries, Ltd.

Inventors Ohe, Taro; Amaya, Hisashi; Takabe, Hideki; Kondo, Kunio; Otome, Yohei

Agent FB Rice

Pub. Number AU-A-2011246246

PCT Pub. Number WO2011/136175

Priority 2010-103249 28.04.10 JP

Filing date 25 April 2011

Wipo publication date 3 November 2011

International Classifications

C22C 38/00 Ferrous alloys, e.g. steel alloys

C22C 38/44 Ferrous alloys, e.g. steel alloys - with molybdenum or tungsten

C22C 38/54 Ferrous alloys, e.g. steel alloys - with boron

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

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

Event Publications

11 October 2012 PCT application entered the National Phase

  PCT publication WO2011/136175 Priority application(s): WO2011/136175

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