Home / Standards / GB 1499.1-2024 GB 1499.1-2024 Active Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars 钢筋混凝土用钢 第1部分:热轧光圆钢筋 Standard Type GB ICS 77.140.15 CCS H44 Status 现行 Issue Date 2024-06-25 Implementation 2024-09-25 Responsible Dept 工业和信息化部 Drafting Unit N/A