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| Chinese National Standard Category: Forging and pressing |
| English Title: | Ultrasonic examination of large forged crankshafts |
| Chinese Title: | 大型锻造曲轴的超声波检验 |
| Standard No.: | JB/T 9020-1999 |
| Category No.: | J32 |
| Issued by: | MIIT |
| Issued on: | 1999-6-28 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | JB/T 9020-2018 Ultrasonic testing of heavy forged crankshafts |
| Superseded on: | 2018-10-1 |
| Abolished on: | |
| Superseding: | ZB J32004-1988 ZB J 32004-1988 |
| Word Count: | 3000 words |
| Similar Standards: | T/CPUMT 009-2022 GB/T 13914-1992 GB/T 20078-2023 GB/T 41857-2022 GB/T 41859-2022 GB/T 41982-2022 GB/T 40883-2021 GB/T 40882-2021 GB/T 12363-2021 GB/T 38964-2020 GB/T 38959-2020 GB/T 38958-2020 GB/T 38443-2019 GB/T 37400.8-2019 GB/T 37679-2019 GB/T 37676-2019 GB/T 37057-2019 GB/T 37775-2019 GB/T 36961-2018 GB/T 35082-2018 |
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