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| Chinese National Standard Category: Metallographic testing method |
| English Title: | Rating and classifying of inclusions in steel—Scanning electron microscope method |
| Chinese Title: | 钢中非金属夹杂物的评定和统计 扫描电镜法 |
| Standard No.: | GB/T 30834-2022 |
| Category No.: | H24 |
| Issued by: | SAMR; SAC |
| Issued on: | 2022-10-12 |
| Implemented on: | 2023-2-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 30834-2014 Standard test methods for rating and classifying inclusions in steel―Scanning Electron Microscope |
| Word Count: | 12500 words |
| Similar Standards: |
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