Overview on the standard of"Non-destructive testing(NDT)methods of steel tubes—Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar"(GB/T 20490-2023)
Overview on the standard of"Non-destructive testing(NDT)methods of steel tubes—Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar"(GB/T 20490-2023)
This article briefly introduces the process of revising the"Non-destructive testing(NDT)methods of steel tubes—Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar"(GB/T 4162-2022),the main technical changes of the revised standard,and its impact on industrial development.
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