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我厂某台125MW发电机组的主蒸汽参数为:工作温度540℃,工作压力140kgf/cm~2主蒸汽管道的材质为西德产马氏体热强钢F11钢(X20CrMoWV121),规格为φ273×26mm。汽轮机高压缸主
Main steam parameters of a 125MW generator set in our factory are: working temperature 540 ℃, working pressure 140kgf / cm ~ 2 The main steam pipe is made of West German-made martensitic hot-tempered steel F11 steel (X20CrMoWV121) with specification of φ273 × 26mm. Turbine high-pressure cylinder master