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2018 №02 (02) DOI of Article
10.15407/sem2018.02.03 		2018 №02 (04)

Electrometallurgy Today 2018 №02


Electrometallurgy Today (Sovremennaya Elektrometallurgiya), 2018, #2, 28-36 pages
 

Modern rail steels. application of ESR (Review). Information 2. Requirements of standards to chemical composition of steels for railway rails of main-line tracks

L.B. Medovar, A.P. Stovpchenko, A.A. Polishko, D.A. Kolomiets, E.A. Pedchenko, V.A. Zaitsev


E.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
 
Abstract
The comparison of national standard on railway rails and modern foreign ones is made. It is shown that requirements in Ukraine to the railway rails are less strict as compared with foreign ones and do not provide the updated level of their quality. The relation of present metallurgical technologies of rail production and their quality, in particular, the feasibility of applying the vacuum-carbon deoxidation of rail steel and refuse from aluminium deoxidation, is analyzed. The need in the development of new standard of Ukraine for the railway rails and opportunity of electroslag remelting application for the high-quality rails are shown. Ref. 27, Tabl. 3.

Key words: railway rails; rail steels; bainite; pearlite; hypereutectoid; vacuum-carbon deoxidation; deoxidation; macrostructure; electroslag remelting; standard
 
Received:                02.05.18
Published:               25.05.18
 
 
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