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Effect of temperature on microstructure and mechanical properties of superheater steel pipe in thermal power plant

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This paper presents an experimental investigation of the effect of heating temperature on microstructure and mechanical properties of the superheater steel (grade P22). The steel samples were cut from a new industrial pipe and heated to 500, 600 and 700 oC. The obtained results showed the distribution of ferrite and pearlite, a slight increase in the grain size and degradation of the strength as increasing the temperature.
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Effect of temperature on microstructure and mechanical properties of superheater steel pipe in thermal power plant

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