US 12,366,133 B2
Hardfaced metal surface and method of manufacture
Jamie Clay Gamble, Houston, TX (US); Eric Larson, Houston, TX (US); Brian Baker, Houston, TX (US); Daya Singh, Houston, TX (US); Joseph Incavo, Houston, TX (US); William Miller, Houston, TX (US); Melissa Newbury, Houston, TX (US); and Mark Reinmuller, Houston, TX (US)
Assigned to Hydril USA Distribution LLC, Houston, TX (US)
Filed by Hydril USA Distribution LLC, Houston, TX (US)
Filed on May 20, 2022, as Appl. No. 17/750,066.
Application 17/750,066 is a continuation of application No. 16/131,344, filed on Sep. 14, 2018, granted, now 11,401,770.
Claims priority of provisional application 62/653,699, filed on Apr. 6, 2018.
Prior Publication US 2022/0275698 A1, Sep. 1, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 33/06 (2006.01); B32B 15/01 (2006.01); C21D 1/42 (2006.01); C22C 19/07 (2006.01); C22F 1/10 (2006.01)
CPC E21B 33/063 (2013.01) [B32B 15/013 (2013.01); C21D 1/42 (2013.01); C22C 19/07 (2013.01); C22F 1/10 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A shear ram blade comprising:
a material volume comprising a hardenable alloy of steel as a base of the shear ram blade and comprising a heat-treated portion of the hardenable alloy of steel as an edge of the shear ram blade, the heat-treated portion of a different hardness than the base; and
at least two layers welded over the base with the edge exposed to form an overlay.