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ASTM
A472/A472M-07(2022)
Standard Specification for Heat Stability of Steam Turbine Shafts and Rotor Forgings
2022
3
ASTM Vol.01.05 (2023)
This measurement method covers the procedures for the standard practice of determining the heat stability of steam turbine and rotor forgings to ensure stability at operating temperature. Surface and test band preparation, and heating and cooling procedures prior to stability measurements are detailed. Interpretation of the results of cold and hot measurements is also described.