Home / Standards / GB/T 34560.1-2017 GB/T 34560.1-2017 Active Structural steels—Part 1: General technical delivery condition for hot-rolled products 结构钢 第1部分:热轧产品一般交货技术条件 Standard Type GBT ICS 77.140.01 CCS H40 Status 现行 Issue Date 2017-10-14 Implementation 2018-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A