Home / Standards / GB/T 34560.3-2018 GB/T 34560.3-2018 Active Structural steels—Part 3: Technical delivery conditions for fine grain structural steels 结构钢 第3部分:细晶粒结构钢交货技术条件 Standard Type GBT ICS 77.140.01 CCS H40 Status 现行 Issue Date 2018-05-14 Implementation 2019-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A