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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Status: superseded
Superseded by:YB/T 153-2015 Standard diagrams for macrostructure and defects in high quality structural steel continuous casting blank
Superseded on:2015-10-1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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