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| Chinese National Standard Category: Metallographic testing method |
| English Title: | Test methods for detecting detrimental phases in lean duplex austenitic-ferritic stainless steels |
| Chinese Title: | 经济型奥氏体-铁素体双相不锈钢中有害相的检测方法 |
| Standard No.: | GB/T 39077-2020 |
| Category No.: | H24 |
| Issued by: | SAMR; SAC |
| Issued on: | 2020-09-29 |
| Implemented on: | 2021-4-1 |
| Status: | superseded |
| Superseded by: | GB/T 39077-2024 Test methods for detecting detrimental phase in austenitic-ferritic (duplex) stainless steels |
| Superseded on: | 2025-2-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 12500 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/T 10561-2023 GB/T 30834-2022 GB/T 13299-2022 GB/T 41080-2021 GB/T 40404-2021 GB/T 40304-2021 GB/T 40281-2021 GB/T 40067-2021 GB/T 39077-2020 GB/T 31309-2020 GB/T 37793-2019 |
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