Authors: O.V. Sych, E.I. Khlusova, M.A. Gusev, M.E. Yurkov
Abstract
The results of complex tests of new cold-resistant "Arc"-indexed steels with guaranteed yield strength 355 - 390 and 750 MPa are submitted. Standard mechanical characteristics, ductile-to-brittle transition temperatures Тk and Тkb, nil ductile temperature NDT, crack tip opening displacement CTOD of base metal and HAZ, corrosion-mechanical strength are determined. The developed "Arc"-indexed steels are applicable for any Arctic marine structures elements without limitations at service temperatures down to —40 °C. Data on fundamental technological schemes and technology development providing high performance characteristics of thick rolled plates at low temperatures in accordance with the RS Rules requirements for "Arc"-indexed steels are also presented.
Keywords: low-alloyed "Arc"-steel, high-strength steel, mechanical properties, working capacity, cold-resistance, crack resistance.
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About authors:
Sych Olga - PhD, NRC “Kurchatov Institute” – CRISM “Prometey”, 49, Shpalernaya str., 191015, St. Petersburg, Russia, e-mail: npk3@crism.ru
Khlusova Elena - DSc, рrofessor, NRC “Kurchatov Institute” – CRISM “Prometey”, 49, Shpalernaya str., 191015, St. Petersburg, Russia, e-mail: npk3@crism.ru
Gusev Maksim - NRC “Kurchatov Institute” – CRISM “Prometey”, 49, Shpalernaya str., 191015, St. Petersburg, Russia, e-mail: npk3@crism.ru
Yurkov Maksim - FAI “Russian Maritime Register of Shipping”, 8, Dvortsovaya Naberezhnaya, 191186, St. Petersburg, Russia, e-mail: yurkov.me@rs.class.org
Issue: 50/51 (2018)
For citation: O.V. Sych, E.I. Khlusova, M.A. Gusev, M.E. Yurkov. Performance characteristics of new cold-resistant "Arc"-indexed steels for application in the Arctic. Research Bulletin by Russian Maritime Register of Shipping. 2018, No. 50/51, pp. 30-40.
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