Home / Standards / GB/T 13295 GB/T 13295 Active Ductile iron pipes,fitting and accessories for water or gas applications 水及燃气用球墨铸铁管、管件和附件 Standard Type GBT ICS 23.040.10;23.040.40 CCS H48 Status 现行 Issue Date 2019-12-10 Implementation 2020-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会