Home / Standards / GB/T 38215-2019 GB/T 38215-2019 Active Hot rolled steel strip for structural corrugated steel pipe 结构波纹管用热轧钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A