MK ORMETO YuUMZ Company

Orenburg Oblast, Russia

MK ORMETO YuUMZ Company

Orenburg Oblast, Russia
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Nazaratin V.V.,Institute of Machine Building Technology NPO TsNIITMASh | Berman L.I.,Institute of Machine Building Technology NPO TsNIITMASh | Efimov M.V.,Energomashspetsstal EMSS Company | Selyutin A.A.,Energomashspetsstal EMSS Company | And 2 more authors.
Metallurgist | Year: 2012

This is the third and final article on a method developed by TsNIITMASh to design forging ingots so as to prevent the formation of an axial shrinkage cavity in the body of the ingot. Theoretical and experimental results from use of the method and factory-designed casting equipment to obtain such ingots are compared together with requirements of the standard OST 108.962.02-85. It is shown that the theoretical and experimental results agree satisfactorily with one another. © 2012 Springer Science+Business Media, Inc.


Nazaratin V.V.,Science And Prod Assoc Central Research Institute Of Machine Building Technology Npo Tsniitmash | Berman L.I.,Science And Prod Assoc Central Research Institute Of Machine Building Technology Npo Tsniitmash | Efimov M.V.,Energomashspetsstal EMSS Company | Selyutin A.A.,Energomashspetsstal EMSS Company | And 2 more authors.
Metallurgist | Year: 2012

This is the second article on a method developed by TsNIITMASh to design forging ingots. The method makes it possible to eliminate axial porosity in the body of the ingot. Results are presented from a comparison of calculated data and experimental data obtained on the basis of the new method. It is shown that the calculated results agree satisfactorily with the experimental results. © 2012 Springer Science+Business Media, Inc.


Nazaratin V.V.,Science And Prod Assoc Central Research Institute Of Machine Building Technology Npo Tsniitmash | Berman L.I.,Science And Prod Assoc Central Research Institute Of Machine Building Technology Npo Tsniitmash | Efimov M.V.,Energomashspetsstal EMSS Company | Selyutin A.A.,Energomashspetsstal EMSS Company | And 2 more authors.
Metallurgist | Year: 2012

method is proposed for calculating the geometric and technological parameters for the casting of forging ingots - including large ingots - without axial shrinkage defects. It is shown that axial porosity can be eliminated by observing two conditions: 1) the conicity of the ingot mold should be sufficient to ensure directional solidification of the ingot and should have values of 1.5-2.0 % for H/D ≤ 1.0 and 14.5-16.0 % for larger values of H/D; 2) the parameters of the hot top, its thermal insulation, and the temperature-rate regimes used for casting should ensure that a sufficient quantity of molten metal is continuously supplied to the solidifying ingot during the entire time that it is being formed. It is recommended that outdated norms for the design of large forging ingots (in the standard OST 108.962.02-85) be revised. Ingots cast in accordance with these norms do not satisfy modern quality requirements. © 2012 Springer Science+Business Media, Inc.


Nazaratin V.V.,Scientific and Production Association Central Research Institute of Machine Building Technology NPO | Berman L.I.,Scientific and Production Association Central Research Institute of Machine Building Technology NPO | Efimov M.V.,Energomashspetsstal EMSS Company | Selyutin A.A.,Energomashspetsstal EMSS Company | And 2 more authors.
Metallurgist | Year: 2012

This is the third and final article on a method developed by TsNIITMASh to design forging ingots so as to prevent the formation of an axial shrinkage cavity in the body of the ingot. Theoretical and experimental results from use of the method and factory-designed casting equipment to obtain such ingots are compared together with requirements of the standard OST 108.962.02-85. It is shown that the theoretical and experimental results agree satisfactorily with one another . © 2012 Springer Science+Business Media, Inc.


Priymak E.Yu.,Orenburg State University | Tryakina N.Yu.,Orenburg State University | Gryzunov V.I.,Orenburg State University | Sokolov S.O.,MK ORMETO YuUMZ Company
Metal Science and Heat Treatment | Year: 2013

Main cases of damage of superheaters from steel 12Kh1MF due to disturbance of the process of production of the tubes and due to creep, thermal fatigue, and short-term superheating are considered. The methods of metallographic analysis and scanning electron microscopy are used to determine the special features of their microstructure and fracture surfaces. The results obtained are used to develop an algorithm for detecting the causes of damage in superheaters produced from heat-resistant pearlitic steels. © 2013 Springer Science+Business Media New York.


Krylova S.E.,Orenburg State University | Tryakina N.Yu.,Orenburg State University | Priymak E.Yu.,Orenburg State University | Sokolov S.O.,MK ORMETO YuUMZ Company | Gryzunov V.I.,Orenburg State University
Metal Science and Heat Treatment | Year: 2013

The effect of the parameters of austenization of a new sparingly-alloyed roll steel 70Kh3G2VTB on the phase composition and processes of dissolution of carbide phase is determined. The susceptibility of austenite grains to growth in heating is studied. The resistance of the steel to softening during tempering after quenching from various temperatures is estimated. © 2013 Springer Science+Business Media New York.


Yakunina O.A.,Orenburg State University | Priymak E.Yu.,Orenburg State University | Sokolov S.O.,MK ORMETO YuUMZ Company | Kamantsev S.V.,MK ORMETO YuUMZ Company | Gryzunov V.I.,Orenburg State University
Metal Science and Heat Treatment | Year: 2013

The effect of different regimes of heat treatment on the structure and hardness of hypoeutectoid and hypereutectoid roll steels is considered. The results are used for choosing rational process modes providing the required level of operating properties. © 2013 Springer Science+Business Media New York.

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