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| Chinese National Standard Category: Steel and iron products in general |
| English Title: | Other materials for pressurized water reactor nuclear power plants - Part 7 : seamless nickel-chromium-iron alloy for steam generator tubes bundles |
| Chinese Title: | 压水堆核电厂用其他材料 第7部分 : 蒸汽发生器传热管用镍-铬-铁合金无缝管 |
| Standard No.: | NB/T 20008.7-2021 |
| Category No.: | H40 |
| Issued by: | National Energy Administration |
| Issued on: | 2021-1-7 |
| Implemented on: | 2021-7-1 |
| Status: | to be abolished |
| Superseded by: | NB/T 20008.7-2025 |
| Superseded on: | 2026-6-18 |
| Abolished on: | 2026-06-18 |
| Superseding: | NB/T 20008.7-2013 Other Materials for Pressurized Water Reactor Nuclear Power Plants - Part 7: Seamless Nickel-chromium-iron Alloy for Steam Generator Tubes Bundles |
| Word Count: | 10500 words |
| Similar Standards: | GB/T 47039-2026 GB/T 17107-2025 GB/T 28300-2025 GB/T 32959-2025 GB/T 14999.1-2025 GB/T 17616-2025 GB/T 222-2025 T/CIECCPA 005-2024 T/CIQA 78-2024 GB/T 39077-2024 GB/T 20878-2024 GB/T 44155-2024 GB/T 44148.3-2024 GB/T 44148.1-2024 GB/T 44148.2-2024 GB 9941-1988 SN/T 5491-2023 GB/T 26029-2023 GB/T 28417-2023 GB/T 24170.1-2023 |
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