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| Chinese National Standard Category: Metal mechanical property test method |
| English Title: | Metallic materials - Steel - Method of test for the determination of brittle crack arrest toughness, Kca |
| Chinese Title: | 金属材料 钢 脆性裂纹止裂韧度Kca测定的试验方法 |
| Standard No.: | GB/T 46169-2025 |
| Category No.: | H22 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-08-29 |
| Implemented on: | 2026-3-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 20000 words |
| Similar Standards: |
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