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| Chinese National Standard Category: Metallographic testing method |
| English Title: | |
| Chinese Title: | 奥氏体钢中α-相金相测定法 |
| Standard No.: | YB 45-1977 |
| Category No.: | H24 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1993-7-1 |
| Status: | superseded |
| Superseded by: | GB/T 13305-1991 Austenitic stainless steels－Determination of area content of the α-phase－Micrographic method using STANDARD diagrams |
| Superseded on: | 1992-10-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | words |
| Similar Standards: | GB/T 34474-2025 GB/T 46224-2025 GB/T 1979-2025 GB/T 4236-2025 GB/T 3488.1-2024 GB/T 23603-2024 GB/T 18876.2-2024 GB/T 18876.1-2024 GB/T 13305-2024 GB 3310-1982 GB/T 2108-1980 YB 45-1977 GB 11259-1989 JB 1582-1985 GB/T 10561-2023 GB/T 30834-2022 GB/T 13299-2022 GB/T 41080-2021 GB/T 40404-2021 GB/T 40304-2021 |
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