 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| 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| Superseded by: | |
| Superseded on: | |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 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |