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| Chinese National Standard Category: Material Protection |
| English Title: | Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated s |
| Chinese Title: | 涂覆涂料前钢材表面处理 表面清洁度的目视评定 第1部分：未涂覆过的钢材表面和全面清除原有涂层后的钢材表面的锈蚀等级和处理等级 |
| Standard No.: | GB/T 8923.1-2011 |
| Category No.: | A29 |
| Issued by: | AQSIQ;SAC |
| Issued on: | 2011-12-30 |
| Implemented on: | 2012-10-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB 8923-1988 Rust grades and Preparation Grades of Steel Surfaces before Applicati GB/T 8923-1988 Rust grades and preparation grades of steel surfaces before application of paints and related products |
| Word Count: | 5000 words |
| Similar Standards: | GB/T 20016-2005 GB/T 20019-2005 GB 3138-1982 GB/T 12600-1990 GB/T 43605-2023 GB/T 43602-2023 GB/T 43104-2023 GB/T 32119-2023 GB/T 31819-2023 GB/T 43101-2023 GB/T 43099-2023 GB/T 43100-2023 GB/T 43102-2023 GB/T 43227-2023 GB/T 42530-2023 GB/T 42352-2023 GB/T 32120-2022 GB/T 42262-2022 GB/T 41950-2022 GB/T 9797-2022 |
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