公开(公告)号：US11149885B2

公开(公告)日：2021-10-19

申请号：US15942120

申请日：2018-03-30

Applicant: S.P.M. FLOW CONTROL, INC.

Inventor： Brian C. Witkowski ,  Matt Treida ,  Ben Ward

IPC: F16L27/08 ,  F16L21/02 ,  B23P13/02 ,  B23P15/00 ,  C22C38/00 ,  F16C19/02 ,  F16C43/04

Abstract: 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.