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Chinese National Standard Category: Oil and gas gathering and transportation equipment |
English Title: | Specification of cathodic protection for underground steel pipelines |
Chinese Title: | 埋地钢质管道阴极保护技术规范 |
Standard No.: | GB/T 21448-2008 |
Category No.: | E98 |
Issued by: | AQSIQ, SAC |
Issued on: | 2008-2-13 |
Implemented on: | 2008-8-1 |
Status: | superseded |
Superseded by: | GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines |
Superseded on: | 2018-7-1 |
Abolished on: | |
Superseding: | SY/T 0019-1997 Design specification of sacrifical anode for buried steel pipeline SY/T 0036-2000 Design specificating of impressed current cathodic protection for buried steel pipeline |
Word Count: | 15000 words |
Similar Standards: | SY/T 5989-1994 GB/T 17290-1998 SN/T 0820-1999 GB/T 27866-2023 GB/T 18603-2023 GB/T 24259-2023 GB/T 18604-2023 GB/T 42797-2023 GB/T 27699-2023 GB/T 28055-2023 GB/T 21391-2022 GB/T 42033-2022 GB/T 39636-2020 GB/T 23258-2020 GB/T 21246-2020 GB/T 37587-2019 GB/T 36989-2018 GB/T 36701-2018 GB/T 35068-2018 GB/T 35988-2018 |
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