Home / Standards / GB/T 34474.2-2018 GB/T 34474.2-2018 Abolished Determination of banded structure of steel—Part 2: Quantitative method 钢中带状组织的评定 第2部分:定量法 Standard Type GBT ICS 77.040.99 CCS H24 Status 废止 Issue Date 2018-05-14 Implementation 2019-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A