https://www.elibrary.ru/title_about_new.asp?i Global Energy Глобальная энергия 2782-6724 24 Influence of modes heat treatment on the structure and properties of high-chromium steel martensite class Влияние режимов термической обработки на структуру и свойства высокохромистой стали мартенситного класса Titova Tatyana Tatyana.Titova@omzglobal.com 56035034600 Tsemenko Valeriy plast-ftim@mail.ru Ratushev Dmitry Dmitriy.Ratushev@omzglobal.com Shkliaev Sergey Sergey.Shklyaev@omzglobal.com Chizhik Tatyana Chizhik_TA@lmz.power-m.ru Peter the Great St. Petersburg Polytechnic University, Russia 10 09 2012 3 154 2 166 174

This thesis investigated influence of heat treatment on structure and properties new high chromium steel Х11МНАФБ. Results of microstructure research, testing mechanical properties at room temperature, definition fracture appearance transition temperature and stress rupture tests are presented.

 ROTOR FORGINGS 9–12 % CHROMIUM STEELS ULTRA SUPERCRITICAL STEAM PARAMETER (USC) DOUBLE  QUENCHING MICROSTRUCTURE MECHANICAL PROPERTIES STRESS RUPTURE