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Mikhailov G.G.,South Ural State University | Dresvyankina L.E.,OAO Severskii Trubnyi Zavod | Makrovets L.A.,South Ural State University
Steel in Translation | Year: 2014

On the basis of experimental, production, and literature data, appropriate parameters for the theory of subregular ionic solutions are determined. Solubility surfaces for the components are plotted, for low-alloy and carbon steel and also for multicomponent alloys. © 2014, Allerton Press, Inc.

Suvorov V.I.,OAO RosNITI | Mozzhegorov M.N.,OAO RosNITI | Pyatkov V.L.,OAO Severskii Trubnyi Zavod | Pluzhnikov N.S.,OAO TAGMET
Steel in Translation | Year: 2011

Attention focuses on improvements in the calculation of the basic roller-groove parameters and the selection of an optimal configuration in converting the strip into pipe. The basic characteristics of pipe-electrowelding systems are presented. The influence of the shaping system and the configuration of the equipment on the energy parameters of pipe rolling is investigated. To reduce the number of driven shaping cells in the mill from 8-10 to four, recommendations are made regarding the grooving system and the mill composition. To this end, shaping along the descending trajectory of the lower generatrix is also recommended. © 2011 Allerton Press, Inc.

Burmasov S.P.,Ural Federal University | Murzin A.V.,OAO Severskii Trubnyi Zavod | Dresvyankina L.E.,OAO Severskii Trubnyi Zavod | Meling V.V.,OAO Severskii Trubnyi Zavod
Steel in Translation | Year: 2014

Measures to optimize the production of corrosion-resistant steel have been introduced at OAO Severskii Trubnyi Zavod. They ensure that the steel’s content of corrosive nonmetallic inclusions of the first and second type is no more than 2 mm−2. The measures were developed on the basis of research on the morphology and composition of nonmetallic inclusions and their formation and also current concepts regarding the formation and removal of corrosive nonmetallic inclusions. © 2014, Allerton Press, Inc.

Burmasov S.P.,Ural Federal University | Gudov A.G.,Ural Federal University | Degai A.S.,OAO Severskii Trubnyi Zavod | Stepanov A.I.,OAO Severskii Trubnyi Zavod | Smirnov L.A.,OAO Uralskii Institute Metallov
Steel in Translation | Year: 2010

The formation of melts is considered at the structural level on the basis of viscosimetry. The equilibrium and stability of melts in the course of melting, alloying, and microalloying are considered. Data regarding the interrelated properties of liquid and solid metals indicate the possibility of significantly improving the mechanical and corrosion properties of steel on the basis of metallurgical measures that affect the melt structure prior to solidification. Industrial tests show the great significance of such measures in producing impurity-free steel. © 2010 Allerton Press, Inc.

Stepanov A.I.,OAO Severskii Trubnyi Zavod | Ashikhmina I.N.,OAO Severskii Trubnyi Zavod | Belikov S.V.,Ural Federal University | Sergeeva K.I.,Ural Federal University | Karabanalov M.S.,Ural Federal University
Steel in Translation | Year: 2014

Nonmetallic inclusions in low-alloy 13XΦA steel mass-produced at OAO Severskii Trubnyi Zavod are studied. Corrosive nonmetallic inclusions of two types, identified by etching, are found to consist of two phases: MgO · Al2O3; and CaS with some quantity of Mn. The orientations identified are (Formula presented.) and (Formula presented.). © 2014, Allerton Press, Inc.

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