1.1 This practice for ultrasonic examination covers turbine and generator steel rotor forgings covered by Specifications A 469/A 469M, A 470/A 470M, A 768/A 768M, and A 940/A
ASTM
Standard Practice for Ultrasonic Examination of Turbine and Generator Steel Rotor Forgings
STD-72227
2009
2009-05-01
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