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Chinese National Standard Category: Metal nondestructive testing method |
English Title: | Non-destructive testing (NDT) methods of steel tubes—Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections |
Chinese Title: | 钢管无损检测 无缝和焊接钢管分层缺欠的自动超声检测 |
Standard No.: | GB/T 20490-2023 |
Category No.: | H26 |
Issued by: | SAMR; SAC |
Issued on: | 2023-08-06 |
Implemented on: | 2024-3-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB/T 20490-2006 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imperfections |
Word Count: | 7500 words |
Similar Standards: | DB32/T 4485-2023 GB/T 14143-1993 GB/T 4058-1995 GB 246-1982 SDJ 67-1983 T/CIRA 14-2020 GB/T 242-1982 GB/T 3310-2023 NB/T 47013.14-2023 NB/T 47013.11-2023 GB/T 11260-2023 GB/T 42662-2023 GB/T 42673-2023 GB/T 42664-2023 GB/T 20490-2023 GB/T 42677-2023 GB/T 41966-2022 GB/T 4162-2022 GB/T 40791-2021 GB/T 40385-2021 |
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