This standard specifies the order content, size, shape and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of steel for steam turbine blades. This standard applies to hot-rolled and forged steel products for steam turbine blades.
GB/T 8732-2004 Referenced Document
GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis
GB/T 223.10 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration*, 2009-05-01 Update
GB/T 223.13 Methods for chemical analysis of iron,steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content
GB/T 223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content