DL/T 330-2021
Diffraction time-of-flight ultrasonic testing of metal structures and equipment welded joints in hydropower and water conservancy projects (English Version)

Standard No.

DL/T 330-2021

Language

Chinese, Available in English version

Published By

Professional Standard - Electricity

Latest

DL/T 330-2021

DL/T 330-2021 history

• 1970 DL/T 330-2021 Diffraction time-of-flight ultrasonic testing of metal structures and equipment welded joints in hydropower and water conservancy projects
• 2011 DL/T 330-2010 Ultrasonic time of flight diffraction technique in welded joints of hydroelectric or hydraulic engineering steel structure and equipment