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《》 1984-11
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Some Ideas about the Useful life of High Pressure and High Temperature Steam Piping

This essay is intended to discuss the relation between the design piping strength,the adopted endurance strength data and the design life or useful life.It proposes the method for estimating the theoretical life of piping and gives data for estimating the theoretical minimun life and average lige of conventional high pressure and high temperature steam piping for 50~300MW units.Meanwhile,it introduces the method of predicting the useful life by piping temperature and impact accumulation.This essay also introduces the research information of high pressure and high temperature piping both at home and abroad.It suggests the establishment of the piping abandonment code of our nation.Finally,it provides the method to prolong the useful life of piping,according to piping impair assessment study of sixty power plants.
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【Co-references】
Chinese Journal Full-text Database 2 Hits
1 Yang Wen-gu (Shanghai Power Epuipment Research institute);Discrimination of Imperilled Tubes to Forestall Tubebursts[J];POWER ENGINEERING;1995-01
2 ;Life Management of Piping Working in Creep Range[J];;1985-10
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 CHEN Guo-Hong(Anhui Electric Power Research Institute, Hefei 230022, China);Assessment of Superheater Tube's Residual Life by Pipes Inside Oxide Layer Thickness[J];Journal of Luoyang Institute of Technology;2004-06
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