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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. Source


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. Source


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. Source

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