Home / Standards / GB 13013-1991 GB 13013-1991 Abolished Hot rolled plain steel bars for the reinforcement of concrete 钢筋混凝土用热轧光圆钢筋 Standard Type GB ICS 77.140.60 CCS H44 Status 废止 Issue Date 1991-06-22 Implementation 1992-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A