GB/T 20490-2023
Non-destructive testing of steel tubes Automatic ultrasonic testing of seamless and welded steel tubes for lamination imperfections (English Version)

Standard No.

GB/T 20490-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 20490-2023

Replace

GB/T 20490-2006

GB/T 20490-2023 history

• 2023 GB/T 20490-2023 Non-destructive testing of steel tubes Automatic ultrasonic testing of seamless and welded steel tubes for lamination imperfections
• 2006 GB/T 20490-2006 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes. Ultrasonic testing for the detection of laminar imperfections