Title: HP-LP Combined Rotors and Differential Heat Treatment
Abstract: A new rotor steel 25Cr2NiMo1V suitable for single cylinder design application has been used in 11MW turbines driving boiler feed pumps of 600MWunits. Using differential heat treatment technology, its properties in HP section are equivalent to that of 1% CrMoV steel rotor forgings and its properties in LP section are equivalent to that of 3.5% NiCrMoV steel rotor forgings. This new rotor steel may be used in 50~100MW single cylinder turbines.
Publication Year: 1999
Publication Date: 1999-01-01
Language: en
Type: article
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