Slag oxidation in arc furnacesSteel in Translation - Tập 41 - Trang 128-129 - 2011
V. A. Bigeev, A. E. Malofeev, E. B. Agapitov, A. N. Fedyanin, A. V. Brusnikova
In the electrosmelting shop at OAO MMK, the smelting of steel in powerful DSP-180 arc furnaces introduced in 2006 continues to be refined. Industrial research is conducted to establish how the content of the iron oxides FeO and Fe2O3 in the slag depends on its total oxidation. As a result, the dependence of FeO/Fe2O3 on the total slag oxidation may be described. It is established that the total sl...... hiện toàn bộ
Corrosive Damage Close to Nonmetallic Inclusions in Bearing SteelsSteel in Translation - Tập 48 - Trang 197-201 - 2018
S. I. Gubenko, A. B. Sychkov, E. V. Parusov, A. I. Denisenko, A. N. Zavalishchin
The development of corrosive damage in bearing steels close to nonmetallic inclusions is analyzed. The influence of the chemical and mineralogical composition of the inclusions on their activity in corrosive media is studied.
Meeting the Perspective Requirements for Surface Microtopography of Cold-Rolled Steels for the Needs of the Automobile IndustrySteel in Translation - Tập 50 - Trang 487-490 - 2020
O. V. Sinitskii, V. E. Telegin, M. A. Nikiforov, S. G. Andreev, A. V. Shubin
The results of evaluating the possibility of meeting the requirements for microwaviness of the surface of cold-rolled steel by parameter Wsa(1–5) according to SEP 1941:2012 under the conditions of an LPC‑11 cold rolling complex of PAO Magnitogorskii Metallurgicheskii Kombinat (MMK) are presented. The technical feasibility of the production of rolled products with a profile microwaviness indicator ...... hiện toàn bộ
Internal-diameter precision in the expansion of hot-rolled pipeSteel in Translation - Tập 45 - Trang 25-28 - 2015
A. A. Bogatov, D. R. Salikhyanov
There is considerable demand for steel pipe at present in the construction industry. The most important characteristics of such pipe are dimensional precision, surface quality, high strength, and high performance. The precision of the pipe’s inner channel is of particular interest, since it determines the operational reliability and economic efficiency of the pipe. An effective method of increasin...... hiện toàn bộ
Simulation in selecting the heat treatment of oil and gas pipeSteel in Translation - Tập 45 - Trang 612-616 - 2015
V. G. Lisienko, M. R. Nurmukhametova, A. A. Titaev
A method is proposed for determining the actual heat-treatment conditions of oil and gas pipe, with allowance for the heat transfer within the furnace chamber. High tempering of 13XΦA steel pipe of elevated operational reliability (strength group K52) is simulated. The precision in simulating the treatment parameters exceeds that achieved by standard monitoring methods. The actual onset of isother...... hiện toàn bộ
Reduction of iron oxides by wet gas in the presence of carbonSteel in Translation - Tập 43 - Trang 161-167 - 2013
G. P. Vyatkin, G. G. Mikhailov, Yu. S. Kuznetsov, O. I. Kachurina, S. V. Digonskii
The equilibrium parameters in the reduction of iron oxides by wet gas (CO + CO2 + H2 + H2O) in the presence of carbon are calculated. Graphical representation of the results is discussed, and a diagram is plotted consisting of a set of three-phase equilibrium surfaces and four-phase equilibrium curves, whose point of intersection determines the parameters of invariant five-phase equilibrium. The c...... hiện toàn bộ