Carburizing grade micro-alloy high pressure swivel joints

A high pressure swivel comprises a first tube; a second tube; and a plurality of balls contained between a plurality of bearing races and a plurality of complimentary bearing races, wherein the first tube and the second tube comprise a carburizing grade micro-alloy steel, wherein the carburizing gra...

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Bibliographische Detailangaben
Hauptverfasser: Witkowski, Brian C, Ward, Ben, Treida, Matt
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A high pressure swivel comprises a first tube; a second tube; and a plurality of balls contained between a plurality of bearing races and a plurality of complimentary bearing races, wherein the first tube and the second tube comprise a carburizing grade micro-alloy steel, wherein the carburizing grade micro-alloy steel comprises a yield strength of greater than about 110,000 psi, a tensile strength of greater than about 130,000 psi, an elongation of greater than about 14%, a reduction area of greater than about 45%, and a longitudinal Charpy v-notch of greater than about 31 ft/lbs longitudinal at about −40° C., and a nickel concentration of less than about 1 wt. %, by weight of the carburizing grade micro-alloy steel, and a carbon content of less than about 0.15 wt. %, by weight of the carburizing grade micro-alloy steel.