Method of making a hypereutectoid, head-hardened steel rail

Details for Australian Patent Application No. 2010337170 (hide)

Owner ArcelorMittal Investigacion y Desarrollo, S.L

Inventors Bramfitt, Bruce L.; Fletcher, Fred B.; Davis, Jr. John A.

Agent IP Gateway Patent and Trademark Attorneys

Pub. Number AU-A-2010337170

PCT Pub. Number WO2011/081901

Priority 61/286,264 14.12.09 US

Filing date 14 December 2010

Wipo publication date 7 July 2011

International Classifications

C21D 9/04 Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for rails

C22C 38/02 Ferrous alloys, e.g. steel alloys - containing silicon

C22C 38/04 Ferrous alloys, e.g. steel alloys - containing manganese

C22C 38/12 Ferrous alloys, e.g. steel alloys - containing tungsten, tantalum, molybdenum, vanadium or niobium

C22C 38/14 Ferrous alloys, e.g. steel alloys - containing titanium or zirconium

Event Publications

2 August 2012 PCT application entered the National Phase

  PCT publication WO2011/081901 Priority application(s): WO2011/081901

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