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Chinese National Standard Category: Metallographic testing method |
English Title: | Standard diagrams for macrostructure and defect in quality carbon structural steel and alloy structural steel continuous casting blank |
Chinese Title: | 优质碳素结构钢和合金结构钢连铸方坯低倍组织缺陷评级图 |
Standard No.: | YB/T 153-1999 |
Category No.: | H24 |
Issued by: | 国家冶金工业局 |
Issued on: | 1999-08-19 |
Implemented on: | 2000-1-1 |
Status: | superseded |
Superseded by: | YB/T 153-2015 Standard diagrams for macrostructure and defects in high quality structural steel continuous casting blank |
Superseded on: | 2015-10-1 |
Abolished on: | |
Superseding: | |
Word Count: | 14000 words |
Similar Standards: | GB/T 10561-2023 GB/T 13299-2022 GB/T 30834-2022 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 37787-2019 GB/T 37793-2019 GB/T 224-2019 GB/T 37598-2019 GB/T 36591-2018 GB/T 15711-2018 GB/T 36165-2018 GB/T 34474.2-2018 GB/T 34474.1-2017 GB/T 6394-2017 |
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