High-temperature-resistant steel pipe piercing plug

High-temperature-resistant steel pipe piercing plug

  • CN 105,018,857 A
  • Filed: 08/06/2015
  • Published: 11/04/2015
  • Est. Priority Date: 08/06/2015
  • Status: Active Application
First Claim
Patent Images

1. a high temperature resistant steel pipe perforating heading, it is characterized in that, comprise by top, the body of connection section and the one-body molded composition of installation portion, at the nickel base alloy layer that top surface laser melting coating is formed, and at the high-strength alloy layer that nickel base alloy layer surface laser cladding is formed, described installation portion cylindrically and offer internal thread on installation portion inwall, top is in the form of annular discs, connection section inner hollow also communicates with installation portion inside, connection section has large end and small end and connection section outer side wall is the arc surface of evagination, the large end of connection section is connected with installation portion and seamlessly transits, connection section small end is connected with top and the external diameter of connection section small end equals the minimum outer diameter at top.

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