Novokuznetsk Plant of Container Metal Structures

Plant of, Russia

Novokuznetsk Plant of Container Metal Structures

Plant of, Russia
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Kozyrev N.A.,Siberian State Industrial University | Kryukov R.E.,Siberian State Industrial University | Bendre Y.V.,Siberian State Industrial University | Kryukov N.E.,Novokuznetsk Plant of Container Metal Structures | Kovalskiy I.N.,Novokuznetsk Plant of Container Metal Structures
Welding International | Year: 2017

The reduction properties of carbon with other elements – reduction agents in a liquid metal – oxide melts – gas system and the thermodynamic mobility of reactions – are evaluated. It is shown that the carbon added to the composition has high reduction properties at T = 1950–2200 K and exerts a strong effect on the oxygen content of the system. The results of calculations of the thermodynamic characteristics of the reactions of removal of hydrogen in interaction with metal fluorides are presented. It is shown that the application of the compound Na3AlF6 is more efficient in comparison with fluorite for the removal of oxygen in submerged-arc welding. The technological aspects of the addition of the carbon–fluorine-containing addition to the AN-348, AN-60 and AN-67 fluxes in welding 09G2S steel are examined. It is shown that when using this addition, the total oxygen content of the welded joint decreases, the degree of contamination with oxide non-metallic inclusions is smaller and the level of gas saturation of the weld metal also decreases, the required mechanical properties and impact toughness of the welded joint are higher and the carbon concentration of the welded joints remains on the level of the parent metal. © 2017 Informa UK Limited, trading as Taylor & Francis Group


Kozyrev N.A.,Siberian State Industrial University | Kryukov R.E.,Siberian State Industrial University | Kryukov N.E.,Novokuznetsk Plant of Container Metal Structures | Kovalskiy I.N.,Novokuznetsk Plant of Container Metal Structures | Igushev V.F.,Baltic Shipbuilding Technical School
Welding International | Year: 2016

The technological aspects of adding carbon–fluorine-containing additions to AN-348, AN-60 and AN-67 fluxes in welding 09G2S steel are investigated. It is shown that the addition decreases the total oxygen content of the welded joint, lowers the degree of contamination with oxide non-metallic inclusions and the level of gas saturation of the weld metal, and increases the mechanical properties and impact toughness of the welded joints. The carbon concentration of the welded joint remains similar to that of the parent metal. © 2015 Taylor & Francis.


Kozyrev N.A.,Siberian State Industrial University | Igushev V.F.,Siberian State Industrial University | Kryukov R.Y.,Siberian State Industrial University | Goldun Z.V.,Siberian State Industrial University | Kovalsky I.N.,Novokuznetsk Plant of Container Metal Structures
Welding International | Year: 2013

On the basis of experimental results, it is shown that carbon- and fluorine-containing additions to the AN-348A oxidation flux result in the formation of welded joints with a reduced content of non-metallic inclusions and higher mechanical properties, especially impact toughness. © 2013 Copyright Taylor and Francis Group, LLC.


Kozyrev N.A.,Siberian State Industrial University | Igushev V.F.,Siberian State Industrial University | Kryukov R.Y.,Siberian State Industrial University | Roor A.V.,Siberian State Industrial University | Kovalsky I.N.,Novokuznetsk Plant of Container Metal Structures
Welding International | Year: 2014

It is shown that the oxygen content of metal of welded joints in automatic submerged arc welding can be reduced by adding additions to the flux. The content of the non-metallic inclusions is reduced, and the mechanical properties and impact toughness of welded joints at sub-zero temperatures increase. The results also show that when adding up to 6% of a carbon-containing addition to the AN-60 flux, the carbon content of the weld metal in welding a low-alloy steel does not exceed the permissible value. © 2014 © 2013 Taylor & Francis.

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