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Production of New Types of Rolled Products — Customer Focus

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The paper describes the main stages of the development of sectional and shaped profiles by the JSC “EVRAZ NTMK” over the past years. The plant operates three longitudinal rolling mills, each of which has been producing both construction metal structures and transport products for many decades. Every year, market competition causes increased consumer requirements toward product quality and requires expansion of the product assortment. Therefore, developing new profiles is an ongoing process at the JSC “EVRAZ NTMK.” The following transport profiles have been developed: stirrup stop bar, rail pad bar R-65, insulated joint core bar ApATeK R-65 MK-BO, guard-rail angle SP850, subway conductor rail, I-beam No. 19 used in the construction of a center girder of the pivoted unit of the rail cars, and a non-standard I-beam 13C1 manufactured according to the technical agreement with the Research and Production Enterprise (RPE) “Uralvagonzavod.” Due to consumer requests, the heavy-section and rail-and-beam shops of the JSC “EVRAZ NTMK” started production of the U-channel line, since such series is more preferable when manufacturing metal constructions compared to V-channel sloping along the inner side of the flange, previously produced at the JSC “EVRAZ NTMK.” In recent years, the railand-beam shop started production of the entire line of crane rails. In just the past 5 years, over 60 standard I-beam sizes have been implemented under the wide-flange beam rolling shop conditions according to various standards, including a foreign ASTM A6/A6M-2017a standard and BS EN 10365–2017 standard, as well as GOST R 57837–2017 developed by EVRAZ together with the Central Research Institute of Building Structures (TsNIISK) named after V. A. Kucherenko. The process of developing new profiles at the JSC “EVRAZ NTMK” continues. In 2020 alone, it is planned to start production of more than 20 new types and nominal sizes of the hot-rolled sectional and shaped profiles.

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Authors and Affiliations

  1. JSC “EVRAZ Nizhnii Tagil Iron and Steel Works,”, Nizhnii Tagil, Russia

    D. E. Kavun, V. V. Sviridenko & V. Yu. Rubtsov

Authors
  1. D. E. Kavun
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  2. V. V. Sviridenko
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  3. V. Yu. Rubtsov
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Correspondence to D. E. Kavun.

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Translated from Metallurg, Vol. 64, No. 6, pp. 27–31, June, 2020.

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Kavun, D.E., Sviridenko, V.V. & Rubtsov, V.Y. Production of New Types of Rolled Products — Customer Focus. Metallurgist 64, 514–521 (2020). https://doi.org/10.1007/s11015-020-01021-9

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