Journals →  Chernye Metally →  2024 →  #1 →  Back

Casting and Foundry Production
ArticleName Improvement of the quality of critical railway castings from 110G13L steel at the Murom Railway Switch Plant
DOI 10.17580/chm.2024.01.01
ArticleAuthor A. V. Chaikin, V. A. Chaikin

Smolensk regional branch of the All-Russian public organization “Russian Association of Foundry Workers” (SRO RAL), Smolensk, Russia
A. V. Chaikin, Cand. Eng., Chairman
V. A. Chaikin, Dr. Eng., Technical Director, e-mail:


The work is devoted to the improvement of smelting steel 110G13L technological process with the purpose to increase its mechanical properties, improve its quality group and operational reliability of such critical railway castings as turnouts and crosses, as well as to reduce the cost of steel. With the help of statistical and regression analyzes, three areas that improved the technological process of smelting steel 110G13L using innovative materials developed by OOO “Metallurg SOAL” were revealed. These areas include: 1. Organization of early slag induction during charge melting. To achieve this, limestone was loaded onto the hearth of the furnace in the amount of 50 kg/t of liquid metal with flux RSH in the amount of 5 kg/t of liquid metal. The resulting fusible slag quickly filled the wells in the charge cut by the electrodes and screened the arcs. As a result, all the heat was spent on heating the metal. 2. Increase in the efficiency of diffusion deoxidation of steel. To achieve this, an aluminum-containing diffusion deoxidizer was used in the amount of 6 kg per 1 t of liquid steel. The deoxidizer has the ability to foam and effectively deoxidize slag. 3. Ladle processing of the melt in a ladle using a universal refining mixture. The mixture provides an adsorption-flotation method for refining of steel. The main difference of the developed materials is that they have a high dispersion, which significantly increases their reactivity. In addition, they are packaged in 3 kg bags, what greatly eases the work of steelworkers by facilitating dosing accuracy and control over the rational use of materials. Application of the developed areas for improving the technological process of smelting 110G13L for critical railway castings, in combination with the optimization of the chemical com-position of steel and slag, made it possible to sharply increase the number of first group quality melts from 29 to 71 %. The economic effect of the developed process implementation amounted to 1,768 rubles per ton of smelted steel.

keywords Steel, slag, critical castings, technology improvement, statistical analysis, chemical composition

1. Mazinsky D. A. Hadfield steel and its exceptional place in metallurgy. Results of applied and exploratory scientific research in the field of natural science and technology: a collection of scientific papers based on the materials of the International Scientific and Practical Conference on December 27, 2019. Belgorod : Agency for Advanced Scientific Research. 2019. pp. 90–93.
2. Davydov N. G., Zhitnov S. V., Bratchikov S. G. High-manganese steel. Moscow : Metallurgiya, 1995. 302 p.
3. Bringas E. J. Handbook of comparative world steel standards. 2nd (ASTM data series; DS 67A).
4. Kusunoki Sh., Nishihara R., Kato K., Sakagami H. et al. Development of steelmaking processes for producing various high grades at quality steel Yawata works. Nippon Steel Technical Report. 2013. Vol. 104. pp. 109–116.
5. GOST 977–88. Steel castings. General specifications. Introduced: 01.01.1990.
6. GOST 7370–2015. Railway frogs. Specifications. Introduced: 01.07.2016.
7. Eliseeva I. I., Flud N. A., Yuzbashev M. M. Workshop on the general theory of statistics: textbook. Moscow : Finansy i statistika, 2008. 511 p.
8. Salin V. N., Churilova E. Yu., Shpakovskaya E. P. Statistics: textbook. Moscow : KNORUS, 2007. 148 p.
9. Mulyavko N. M. Analysis of the operational resistance of 110G13L steel castings. Izvestiya Chelyabinskogo nauchnogo tsentra. 2001. Iss. 4 (13). pp. 28–30.
10. Deleg D., Khash-Ochir N. Requirements for using defferent types of the bucret teeth of excavator. Conference proceedings. The 4th International Conference on Creative Science and Tehnology. Mongolia. 4–5 October 2013. 2013. 200 p.
11. Efimova M. R., Ganchenko O. I., Petrova E. V. Workshop on the general theory of statistics: textbook. 2nd edition revised and added. Moscow : Finansy i statistika, 2002. 336 p.
12. Tsurkan D. A. Control of the structure and properties of 110G13L, 38KhS, 45KhN steels used for the manufacture of parts for special machines: thesis of inauguration of Dissertation ... of Candidate of Engineering Sciences. Barnaul, 2012. 18 p.
13. Egamberdiev I. P., Atakulov L., Muminov R. O., Ashurov Kh. Research of vibration processes of bearing units of mining equipment. International Journal of Advanced Trends in Computer Science and Engineering. 2020. Vol. 9. No. 5. pp. 7789–7793.
14. Egamberdiev I. P. Spectral analysis of the oscillatory process of support assemblies on drilling machines. International Journal of Advanced Research in Science, Engineering and Technology. 2018. Vol. 5, Iss. 5. pp. 5958–5962.
15. Gabelchenko N. I., Grebnev Yu. V., Volkova N. V., Zenin A. A. Obtainment of a homoge-neous austenitic structure in 110G13L steel castings. Izvestiya VolGTU. Seriya "Problemy materialovedeniya, svarki i prochnosti v mashinostroenii". 2010. No. 4. pp. 151–154.
16. Gabelchenko N. I., Mishustin O. A., Khantimirova S. B. Improvement of the quality of 110G13L steel castings
by optimizing the heat treatment mode. Tekhnika. Tekhnologii. Inzheneriya. 2018. No. 1 (7). pp. 21–24.
17. Sysoev A. M., Bakhmetyev V. V., Kolokoltsev V. M. Refining and modification of 110G13L steel with a titanium-boron-calcium complex. Vestnik Magnitogorskogo gosudarstvennogo tekhnicheskogo universiteta imeni G. I. Nosova. 2008. No. 1. pp. 43–45.
18. Tsurkan D. A., Leontiev A. N., Ishkov A. V. Increasing the structural strength of 110G13L steel and cast parts used in special machines by alloying Mo, Ni and modifying rare earth metals. Polzunovskiy vestnik. 2012. No. 1/1. pp. 334–336.
19. Chaikin A. V., Yakunina S. A., Kiselev V. M., Chaikin V. A. et al. Innovations in the method of remelting 110G13L steel to improve the mechanical properties of critical castings. Foundry production today and tomorrow: proceedings of the 13th International Scientific and Practical Conference. Saint Petersburg, 2020. pp. 226–236.
20. Chaikin A. V., Chaikin V. A., Lozov V. S., Kasimgazinov A. D. et al. Comparative analysis of the quality indicators of 110G13L steel, smelted using various modifiers and deoxidizing mixtures. Vestnik Magnitogorskogo gosudarstvennogo tekhnicheskogo universiteta imeni G. I. Nosova. 2018. Vol. 16. No. 1. pp. 19–25.
21. Chaikin A. V., Chaikin V. A., Kasimgazinov A. D., Bykov P. O. The new material for steel diffusive deoxidizing in the unit for complex steel treatment. Chernye Metally. 2018. No. 9. pp. 6–11.
22. Chaikin A. V., Savitsky V. L., Kolpakov V. V. et al. Improvement of high-level technologies using dispersed deoxidizing mixtures in a ladle-furnace unit. Liteyshchik Rossii. 2019. No. 9. pp. 11–18.
23. Chaikin A. V., Chaikin V. A., Kolpakov V. V., Vdovin K. N. Introduction of innovations in steel smelting for critical castings of freight wagon bogies in order to increase their operational reliability. Chernye Metally. 2021. No. 9. pp. 9–13.

Language of full-text russian
Full content Buy