China Electricity Industry Standard DL/T505-2005 Code for Ultrasonic Testing of Welds in Main Shafts of Steam Turbines

Author: National Development and Reform Commission of the People's Republic of China
Publisher:
Publish Date: 2005-06-01
Features: This standard was revised according to the arrangement of the original National Economic and Trade Commission's "Notice on Issuing the 2000 Annual Power Industry Standard Development and Revision Plan" (Power [2000] No. 70), and it revises DL/T505-1992. This standard specifies the basic elements, inspection methods, quality standards, inspection cycles, and technical file management of ultrasonic testing for welded joints of steam turbine rotor main shafts. This standard is applicable to the ultrasonic testing of welded joints of domestic steam turbine main shafts. The ultrasonic testing of welded joints of main shafts in domestic hydropower units may refer to this standard for implementation.