The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 08, 2014

Filed:

May. 02, 2008
Applicants:

Dylan V. Pugh, Manvel, TX (US);

Joseph C. Bondos, Houston, TX (US);

Shiun Ling, Washington, NJ (US);

Raghavan Ayer, Basking Ridge, NJ (US);

Shalawn K. Jackson, Houston, TX (US);

Jayoung Koo, Seoul, KR;

Swarupa S. Bangaru, Pittstown, NJ (US);

Inventors:

Dylan V. Pugh, Manvel, TX (US);

Joseph C. Bondos, Houston, TX (US);

Shiun Ling, Washington, NJ (US);

Raghavan Ayer, Basking Ridge, NJ (US);

Shalawn K. Jackson, Houston, TX (US);

Narasimha-Rao V. Bangaru, Pittstown, NJ (US);

Jayoung Koo, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/46 (2006.01); C22C 38/28 (2006.01); C21D 1/18 (2006.01); C21D 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present application describes a steel composition that provides enhanced corrosion resistance. This steel composition includes one of vanadium in an amount of 1 wt % to 9 wt %, titanium in an amount of about 1 wt % to 9 wt %, and a combination of vanadium and titanium in an amount of 1 wt % to about 9 wt %. In addition, the steel composition includes carbon in an amount of 0.03 wt % to about 0.45 wt %, manganese in an amount up to 2 wt % and silicon in an amount up to 0.45 wt %. In one embodiment, the steel composition includes a microstructure of one of the following: ferrite, martensite, tempered martensite, dual phase ferrite and martensite, and dual phase ferrite and tempered martensite. Further, the present application describes a method for processing the steel composition and use of equipment such as oil country tubular goods, fabricated with the steel composition.


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