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ACADEMICIA: AN INTERNATIONAL MULTIDISCIPLINARY RESEARCH JOURNAL
Year : 2021, Volume : 11, Issue : 2
First page : ( 144) Last page : ( 149)
Online ISSN : 2249-7137.
Article DOI : 10.5958/2249-7137.2021.00321.9

Alloy research issues for surface sealing of pipeline fittings

Khudaykulov N.Z.1, Payazov M.M.2

1Senior Lecturer, Department “Technological Machines and Equipment”, Tashkent State Technical University Named After Islam Karimov, Uzbekistan

2Assistant, Department “Technological Machines and Equipment”, Tashkent State Technical University Named After Islam Karimov, Uzbekistan

Online published on 3 April, 2021.

Abstract

This article discusses chrome-nickel-silicon steel used for surfacing sealing surfaces of pipe fittings of chemical, petrochemical and power equipment. In order to increase the wear resistance of surfacing alloys, the effect of additional alloying of the deposited metal with boron, molybdenum and other elements on the service properties of this alloy is investigated. As a result of alloying, the resistance to scoring of deposited metal alloyed with boron and molybdenum increases by 1.5–2 times.

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Keywords

Mechanized Surfacing, Cored Wire, Alloying With Boron And Molybdenum, Pipe Fittings, Sealing Surfaces, Resistance To Scoring, Hardness, Hot Hardness, Corrosion Resistance.

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