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| Chinese National Standard Category: Metal nondestructive testing method |
| English Title: | Recommended practice for ultrasonic pulse-echo straight-beam testing by the contact method |
| Chinese Title: | 接触式超声纵波直射探伤方法 |
| Standard No.: | JB/T 4009-1999 |
| Category No.: | H26 |
| Issued by: | 全国无损检测标准化技术委员会 |
| Issued on: | 1999-06-28 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | JB/T 4009-2020 Non-destructive testing-test method for ultrasonic testing and evaluation of discontinuities by contact pulse-echo longitudeinal waves |
| Superseded on: | 2021-1-1 |
| Abolished on: | |
| Superseding: | JB 4009-1985 |
| Word Count: | 3500 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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