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Bogachev V.A.,All Russia Thermal Engineering Institute | Skorobogatykh V.N.,JSC NPO Central Research Institute of Machine Building TsNIITMASh | Shchenkova I.A.,JSC NPO Central Research Institute of Machine Building TsNIITMASh | Pshechenkova T.P.,All Russia Thermal Engineering Institute | Shkol'nikova B.Z.,All Russia Thermal Engineering Institute
Power Technology and Engineering | Year: 2014

Heat resistance of steels grades 10Kh9MFB-Sh, 10Kh9V2MFBR-Sh, 10Kh9K3V2MFBR-Sh, and 10Kh16N16V2MBR is studied by experiment in the range 600 – 700°C with oxidation by air, Na2SO4, and ash from Na2SO4 and V2O5. The permissible operating temperature is calculated for pipes made from the test steels with respect to high-temperature strength and heat resistance. Steel grades are selected for the heating surfaces of a new generation of coal-fired boilers with supercritical steam parameters, i.e., pressure 30 MPa and temperature 600 – 620°C. © 2014, Springer Science+Business Media New York. Source

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