Home / Standards / GB/T 34560.5-2017 GB/T 34560.5-2017 Active Structural steels—Part 5: Technical delivery condition for atmospheric corrosion resisting steels 结构钢 第5部分:耐大气腐蚀结构钢交货技术条件 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