Home / Standards / GB/T 14291-2016 GB/T 14291-2016 Active Welded steel pipe for ore pulp transportation 矿粉矿浆输送用电焊钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A