... flange,main valve disc,valve cover, bearing tile,strainer etc. steam turbine spare partsGas generator forgings,flange,main valve disc, valve cover ... :1. NiCr20TiAl, X12CrMoWVNbN domestic 1000MW (TMCR) ultra-supercritical intermediate reheat condensing steam turbine high temperature forgings.2. GH169, WR26D, GH901 high and low ...