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| Chinese National Standard Category: Steel tube and cast iron pipe |
| English Title: | Seamless steel tubes and pipes for ship |
| Chinese Title: | 船舶用无缝钢管 |
| Standard No.: | GB/T 5312-2025 |
| Category No.: | H48 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-8-29 |
| Implemented on: | 2026-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 5312-2009 Carbon and carbon-manganese steel seamless steel tubes and pipes for ship GB/T 31928-2015 Seamless stainless steel tubes and pipes for ship |
| Word Count: | 14500 words |
| Similar Standards: |
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