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| Chinese National Standard Category: Steel and iron products in general |
| English Title: | Test method for superalloys—Part 1：Macro-structures |
| Chinese Title: | 高温合金检验方法 第1部分：低倍组织 |
| Standard No.: | GB/T 14999.1-2025 |
| Category No.: | H40 |
| 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| Superseded by: | |
| Superseded on: | |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 14999.1-2012 Test method for superalloys - Part 1: Verification of longitudinal macro-structures and defect by etch GB/T 14999.2-2012 Test methods for superalloys - Part 2: Verification of transverse macro-structures and defect by etch GB/T 14999.3-2012 Test methods for superalloys - Part 3: Verification of longitudinal fracture of bars |
| Word Count: | 22500 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 44148.2-2024 GB/T 44148.1-2024 GB 9941-1988 SN/T 5491-2023 GB/T 26029-2023 GB/T 28417-2023 GB/T 24170.1-2023 |
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